Publications

 

Books, Chapters in Books and Editorships

 

1.            S.W. Tsai and H.T. Hahn, Introduction to Composite Materials, Technomic Pub. Co., 1980.

2.            H.T. Hahn and R. Shane, "Reliability and Quality Control," Structural Plastics Selection Manual, Chapter 4, R. Nicholls, Ed., Univ. of Delaware, 1983.

3.            H.T. Hahn, "Fatigue of Composites," Chapter 1.8, Composites Design Guide, Univ. of Delaware, 1983.

4.            H.T. Hahn, Ed., Composite Materials: Fatigue and Fracture, ASTM STP 907, American Society for Testing and Materials, 1986.

5.            H.T. Hahn, Editor, Editor-in-Chief, Journal of Composite Materials, Technomic Pub. Co., 1981-present

6.            H.T. Hahn, T. Massard, P. Massard, S-K. Ha, Proc. Composites for the Next Millennium, 1999.

 

Papers Published in Professional and Scholarly Journals

 

1.            V.H. Neubert, H.T. Hahn, and H. Lee, "Lumped Parameter Beams Based on Impedance Methods," Journal of  Engineering Mechanics  Division, ASCE, Vol. 96, pp. 69 -82, 1970.

2.            H.T. Hahn and W. Jauzemis, "A Dislocation Theory of Plasticity," International Journal of Engineering  Science, Vol. 11, 1973, pp. 1065-1078.

3.            H.T. Hahn and S.W. Tsai, "Nonlinear Elastic Behavior of Unidirectional Composite Laminates," Journal of Composite Materials, Vol. 7, 1973, pp. 102-118.

4.            H.T. Hahn, "Nonlinear Behavior of Laminated Composites," Journal of Composite Materials, Vol. 7, 1973, pp. 257-271.

5.            H.T. Hahn, "A Note on Determination of the Shear Stress-Strain Response of Unidirectional Composites," Journal of  Composite Materials, Vol. 7, 1973, pp. 383-386.

6.            H.T. Hahn, "A Finite-Deformation Theory of Plasticity," Int. J. Solids Structures, Vol. 10, 1974, pp. 111-121.  

7.            H.T. Hahn and M. Levinson, "Indentation of an Elastic Layer(s) Bonded to a Rigid Cylinder - I. Quasistatic Case Without Friction," International Journal of Mechanical Sciences, Vol. 16, 1974, pp. 489-502.

8.            H.T. Hahn and M. Levinson, "Indentation of Elastic Layer Bonded to Rigid Cylinder - II. Unidirectional Slipping with Coulomb Friction," International Journal of Mechanical Sciences, Vol. 16, 1974, pp. 503-514.

9.            H.T. Hahn, "A Derivation of Invariants of Fourth Rank Tensors," Journal of  Composite Materials, Vol. 8, 1974, pp. 2-14.       

10.        H.T. Hahn and S.W. Tsai, "Graphical Determination of Stiffness and Strength of Composite Laminates," Journal of  Composite Materials, Vol. 8, 1974, pp. 160-177.

11.        H.T. Hahn and S.W. Tsai, "On the Behavior of Composite Laminates After Initial Failure," Journal of  Composite Materials, Vol. 8, 1974, pp. 288-305.

12.        H.T. Hahn, "On Elastic-Plastic Poisson's Ratio," Journal of  Composite Materials, Vol. 8, 1974, pp. 313-317.

13.        M. Knight and H.T. Hahn, "Strength and Elastic Modulus of a Randomly Distributed Short Fiber Composite," Journal of  Composite Materials, Vol. 9, 1975, pp. 77-90.

14.        H.T. Hahn and N.J. Pagano, "Curing Stress in Composite Laminates," Journal of  Composite Materials, Vol. 9, 1975, pp. 91-106.

15.        H.T. Hahn and R.Y. Kim, "Proof Testing of Composite Materials," Journal of  Composite Materials, Vol. 9, 1975, pp. 297-311.

16.        H.T. Hahn, "On Approximations for Strength of Random Fiber Composite," Journal of  Composite Materials, Vol. 9, 1975, pp. 316-326.

17.        H.T. Hahn and R.Y. Kim, "Fatigue Behavior of Composite Laminate," Journal of  Composite Materials, Vol. 10, 1976, pp. 156-180.

18.        J. Awerbuch and H.T. Hahn, "Hard Object Impact Damage of Metal Matrix Composites," Journal of  Composite Materials, Vol. 10, 1976, pp. 231-257.

19.        H.T. Hahn, "Residual Stresses in Polymer Matrix Composite Laminates," Journal of  Composite Materials, Vol. 10, 1976, pp. 266-278.

20.        S.W. Tsai and H.T. Hahn, "A Review of Recent Progress in Mechanics of Composites in the USA," Transactions of Japanese Society of Composite Materials, Vol. 2, 1976, pp. 47-51.

21.        D.H. Morris and H.T. Hahn, "Fracture Resistance Characterization of Graphite/Epoxy Composites," Composites Materials: Testing and Design (4th Conf.), ASTM STP 617, American Society for Testing and Materials, 1977, pp. 5-17.

22.        N.J. Pagano and H.T. Hahn, "Evaluation of Composite Curing Stresses," Composites Materials: Testing and Design (4th Conf.), ASTM STP 617, American Society for Testing and Materials, 1977, pp. 317-329.

23.        D.H. Morris and H.T. Hahn, "Mixed-Mode Fracture of Graphite/Epoxy Composites: Fracture Strength," Journal of  Composite Materials, Vol. 11, 1977, pp. 124-138.

24.        J. Awerbuch and H.T. Hahn, "Fatigue and Proof Testing of Unidirectional Graphite/Epoxy Composites," Fatigue of Filamentary Composite Materials, ASTM STP 636, American Society for Testing and Materials, 1977, pp. 248-266.

25.        H.T. Hahn and D.H. Morris, "Anisotropic Photoelasticity with Application to Composites," Fibre Science and Technology, Vol. 11, 1978, pp. 113-125.

26.        H.T. Hahn and R.Y. Kim, "Swelling of Composite Laminates," Advanced Composite Materials: Environmental Effects, ASTM STP 658 American Society for Testing and Materials, 1978, pp. 98-120.

27.        J. Awerbuch and H.T. Hahn, "K-Calibration of Unidirectional Metal Matrix Composites," Journal of  Composite Materials, Vol. 12, 1978, pp. 222-237.

28.        H.T. Hahn, "Fatigue Behavior and Life Prediction of Composite Laminates," Composite Materials: Testing and Design (5th Conf.), ASTM STP 674, American Society for Testing and Materials, 1979, pp. 383-417.

29.        R.Y. Kim and H.T. Hahn, "Effect of Curing Stresses on the First Ply-Failure in Composite Laminates," Journal of  Composite Materials, Vol. 13, 1979, pp. 2-16.

30.        J. Awerbuch and H.T. Hahn, "Crack-Tip Damage and Fracture Toughness of Boron/Aluminum Composite," Journal of  Composite Materials, Vol. 13, 1979, pp. 82-107.

31.        W.P. Witt, A.N. Palazotto, and H.T. Hahn, "Numerical and Experimental Comparison of the Notch Tip Stress in a Laminated Plate," AIAA Journal, Vol. 17, 1979, pp. 500-506.

32.        H.T. Hahn, "Life Prediction of Composite Pressure Vessels," Composites Technology Review, Vol. 1, No. 2, 1979, pp. 10-11.

33.        H.T. Hahn and T.L. Gates, "Effect of Storage Time on the Tensile Strength of Kevlar 49/Epoxy Strands," Composites Technology Review, Vol. 1, No. 4, 1980, pp. 12-13.

34.        J. Awerbuch and H.T. Hahn, "Crack-Tip Damage and Fracture Toughness of Borsic/Titanium Composite," Experimental Mechanics, Vol. 20, 1980,  pp. 334-344.

35.        H.T. Hahn, "Simplified Formulas for Elastic Moduli of Unidirectional Continuous Fiber Composites," Composites Technology Review, Vol. 2, No. 3, 1980, pp. 5-7.

36.        J. Awerbuch and H.T. Hahn, "Off-Axis Fatigue of Graphite/ Epoxy Composite," Fatigue of Fibrous Composite Materials, ASTM STP 723, American Society for Testing and Materials, 1981, pp. 243.

37.        H.T. Hahn, "Proof Load Determination for Pressure Vessels Wound with Aramid Fiber," Test Methods and Design Allowables for Fibrous Composites, ASTM STP 734, American Society for Testing and Materials, 1981, pp. 361-375.

38.        H.T. Hahn and W.K. Chin, "The Effect of Vacuum and Temperature on the Mechanical Properties of an Aramid/Epoxy Composite," Composites Technology Review, Vol. 3, No. 1, 1981, pp. 27-31.

39.        H.T. Hahn and W.K. Chin, "Engineering Properties of a Filament-Wound Kevlar 49/Epoxy Composite," Composites Technology Review, Vol. 3, No. 2, 1981, pp. 80-82.  

40.        H.T. Hahn, "Warping of Unsymmetric Cross-Ply Graphite/Epoxy Laminates," Composites Technology Review, Vol. 3, No. 3, 1981, p. 114.

41.        H.T. Hahn and W.K. Chin, "Environmental Stability of Kevlar 49 Fiber for Flywheel Applications," Composites Technology Review, Vol. 4, No. 3, 1982, p. 93.

42.        H.T. Hahn and D.G. Hwang, "Failure Characterization of a Gr/Ep Laminate Through Proof Testing," Composite Materials: Testing and Design 6th Conf., ASTM STP 787, I. M. Daniel, Ed., American Society for Testing and Materials, 1982, pp. 247-273.                         

43.        H.T. Hahn, "A Mixed-Mode Fracture Criterion for Composite Materials," Composites Technology Review, Vol. 5, No. 1, 1983, pp. 26-29.

44.        T.T. Chiao, R.L. Moore, and H.T. Hahn, "No-Stress Aging of Aramid/Epoxy Composites," Composites Technology Review, Vol. 5, 1983, p. 98.

45.        H.T. Hahn, "Effects of Residual Stresses in Polymer Matrix Composites," Journal of  Aeronautical Sciences, Vol. 32, 1984, pp. 253-267.

46.        H.T. Hahn, D.G. Hwang, and W.K. Chin, "Effects of Vacuum and Temperature on Mechanical Properties of S2-Glass/Epoxy," Recent Advances in Composites in the United States and Japan, ASTM STP 864, J.R. Vinson and M. Taya, Eds., American Society for Testing and Materials, 1985, pp. 600-618.

47.        A.B. Hosangadi and H.T. Hahn, "Hygrothermal Degradation of Sheet Molding Compounds," High Modulus Fiber Composites in Ground Transportation and High Volume Applications, ASTM STP 873, D.W. Wilson, Ed., American Society for Testing and Materials, 1985, p. 103.

48.        H.T. Hahn and J.G. Williams, "Compression Failure Mechanisms in Unidirectional Composites," Composite Materials: Testing and Design (7th Conf.), ASTM STP 893, J.M. Whitney, Ed., American Society for Testing and Materials, 1986, pp. 115-139.

49.        L. Lorenzo and H.T. Hahn, "Fatigue Failure Mechanisms in Unidirectional Composites," Composite Materials: Fatigue and Fracture, ASTM STP 907, H.T. Hahn, Ed., American Society for Testing and Materials, 1986, pp. 210-232.

50.        L. Lorenzo and H.T. Hahn, "Effect of Ductility on the Fatigue Behavior of Epoxy Resins," Polymer Engineering and Science, Vol. 26, 1986, pp. 274-284.

51.        L. Lorenzo and H.T. Hahn, "On the Applicability of Amplitude Distribution Analysis to the Fracture Process of Composite Materials," Journal of Acoustic Emission, Vol. 5, 1986, pp. 15-24.

52.        H.T. Hahn and M. Sohi, "Buckling of a Fiber Bundle Embedded in Epoxy Resin," Composites Science & Technology, Vol. 27, 1986, pp. 25-41.

53.        H.T. Hahn, "Hygrothermal Damage in Graphite/Epoxy Laminates," ASME Journal of Engineering Materials & Technology, Vol. 109, 1987, pp. 3-11.

54.        M.M. Sohi, H.T. Hahn, and J.G. Williams, "The Effect of Resin Toughness and Modulus on Compressive Failure Modes of Quasi-Isotropic Graphite/Epoxy Laminates," Toughened Composites, ASTM STP 937, N.J. Johnston, Ed., ASTM, 1987, pp. 37-60.

55.        W.W. Behrens, K.L. Jerina, and H.T. Hahn, "Wear of Short Carbon Fiber Reinforced PAI and PPS," SAMPE Quarterly, Vol. 19, 1988, pp. 1-9.

56.        L. Lorenzo, and H.T. Hahn, "Damage Assessment by Acousto-Ultrasonic Technique in Composites,"  Composite Materials: Testing and Design (8th Conf.), ASTM STP 972, J.D. Whitcomb, Ed., ASTM, 1988, pp. 380-397.

57.        Y.M. Han, H.T. Hahn, and R.B. Croman, "A Simplified Analysis of Transverse Ply Cracking in Cross-Ply Laminates," Composites Science and Technology Vol. 31, 1988, pp. 165-177.

58.        H.T. Hahn and K.S. Kim, "Hygroscopic Effects in Aramid Fiber/Epoxy Composite," ASME Journal of Engineering Materials and Technology,  Vol. 110, 1988, pp. 153-157.

59.        K. Hollmann and H.T. Hahn, "Acoustic Emission Behavior of Epoxies During Tensile Loading," Polymer Engineering and Science, Vol. 29, 1989, pp. 513-523.

60.        K. Hollmann and H.T. Hahn, "Plane-Strain Fracture Toughness of Epoxies as Different Loading Rates," Polymer Engineering and Science, Vol. 29, April, 1989, pp. 523-531.

61.        K.S. Kim, H.T. Hahn, and R.B. Croman, "The Effect of Cooling Rate on Residual Stress in Thermoplastic Composite," Journal of Composite Technology & Research, Vol. 11, 1989, pp. 47-52.

62.        Y.M. Han and H.T. Hahn, "Ply Cracking and Property Degradation of Symmetric Balanced Laminates Under General In-Plane Loading," Composites Science and Technology, Vol. 35, 1989, pp. 377-397.

63.        H.T. Hahn, K.L. Jerina, and P. Burrett, "Fiber Orientation and Fracture Morphology in Short Fiber-Reinforced Thermoplastics," Advances in Thermoplastic Matrix Composite Materials, ASTM STP 1044, G.M. Newaz, Ed., ASTM, Philadelphia, 1989, pp. 183-198.

64.        K.S. Kim and H.T. Hahn, "Residual Stress Development During Processing of Graphite/Epoxy Composites," Composites Science and Technology, Vol. 36, 1989, pp. 121-132.

65.        J.A. Larock, H.T. Hahn, and D.J. Evans, "Pultrusion Processes for Thermoplastic Composites," Journal of Thermoplastic Composite Materials, 1989, pp. 216-229.

66.        J.M. Chisholm, H.T. Hahn, and J.G. Williams, "Diametral Compression of Pultruded Composite Rods as a Quality Control Test," Composites, Vol. 20, 1989, pp. 553-558.

67.        D.G. Seidensticker, K.-S. Kim, H.T. Hahn, D. W. Jensen, and J.C. Goering, "Compressive Behavior of a Thermoplastic Composite (GR/PEEK)," Journal of Thermoplastic Composite Materials, Vol. 3, 1990, pp. 233-251.

68.        S.R. White and H.T. Hahn, "Mechanical Property and Residual Stress Development During Cure of a Graphite/BMI Composite," Polymer Engineering and Science, Vol. 30, 1990, pp. 1465-1473.

69.        S.R. White and H.T. Hahn, "Process Modeling of Composite Materials: Residual Stress Development During Cure. Part I. Model Formulation," Journal of Composite Materials, Vol. 26, 1992, pp. 2402-2422.

70.        S.R. White and H.T. Hahn, "Process Modeling of Composite Materials: Residual Stress Development During Cure. Part II. Experimental Validation," Journal of Composite Materials, Vol. 26, 1992, pp. 2423-2453.

71.        M.N. Kallas, D.A. Koss, H.T. Hahn, and J.R. Hellmann, "Interfacial Stress State Present in a Thin-Slice Fiber Push-Out Test," Journal of Materials Science, Vol. 27, 1992, pp. 3821-3826.

72.        S.R. White and H.T. Hahn, "Cure Cycle Optimization for the Reduction of Processing-Induced Residual Stresses in Composite Materials," Journal of Composite Materials, 27 (14), 1993, pp. 1352-1378.

73.        H.T. Hahn, S.S. Lee and E.A. Kempner, "The Stress Development During Filament Winding of Thick Cylinders,"  Composites Manufacturing, 4(3), 1993, pp. 147-156.

74.        H.-A. Huang, , C.E. Bakis, and H.T. Hahn, "Prediction of Ultrasonic Wave Attenuation in Fiber Reinforced Composite Laminates," Review of Progress in quantitative Nondestructive Evaluation, Vol. 13B, D.O. Thompson and D.E. Chimenti, Eds., 1993, pp. 1181-1188.

75.        H.T. Hahn, B. Wilkerson, and J. Stuart, "Low-Energy Impact Monitoring Using an Artificial Neural Network," Journal of Thermoplastic Composite Materials, Vol. 7, 1993, pp. 344-351.

76.        S. Chiou and H.T. Hahn, "Ultrasonic Sol/Gel Processing of Aluminoborosilicate Glass and Its Composite with Carbon Fiber Reinforcement," Journal of the American Society for Ceramics, Vol. 77, 1994, pp. 155-160.

77.        H.T. Hahn and R. Pandey, "A Micromechanics Model for Thermoelastic Properties of Plain Weave Fabric Composites," ASME Journal of Engineering Materials and Technology, Vol. 116, 1994, pp. 517-523.

78.        H.-A. Huang, , C.E. Bakis, H.T. Hahn, and A.P. Diwanji, "An Adaptive Time Domain Deconvolution Technique to Characterize Planar Flaws in Highly Attenuative Composites," Journal of Nondestructive Evaluation, Vol. 13, 1994, pp. 101-109.

79.        E.A. Kempner and H.T. Hahn, "Effect of Radial Stress Relaxation on Fibre Stress in Filament Winding of Thick Composites," Composites Manufacturing, Vol. 6, 1995, pp. 67-77.

80.        R. Pandey and H.T. Hahn, “Visualization of Representative Volume Elements for Three-Dimensional Four-Step Braided Composites,” Composites Science and Technology, Vol. 56, 1996, pp. 161-170.

81.        R. Pandey and H.T. Hahn, “Designing with 4-Step Braided Fabric Composites,” Composites Science and Technology, Vol. 56, 1996, pp. 623-634.

82.        F.O. Sonmez and H.T. Hahn, “Modeling of Heat Transfer and Crystallization in Thermoplastic Composite Tape Placement Process,” Journal of Thermoplastic Composite Materials, Vol. 10, 1997, pp. 198-240.

83.        F.O. Sonmez and H.T. Hahn,”Thermoviscoelastic Analysis of the Thermoplastic Composite Tape Placement Process,” Journal of Thermoplastic Composite Materials, Vol. 10, 1997, pp. 381-414.

84.        S.B. Park, S.S. Park, G.P. Carman, and H.T. Hahn, "Measuring Strain Distribution During Mesoscopic Domain Reorientation in a Ferroelectric Material," ASME Journal of Engineering Materials and Technology, Vol. 120, 1997, pp. 1-6.

85.        F.O. Sonmez and H.T. Hahn, ”Analysis of the On-Line Consolidation Process in Thermoplastic Tape Placement,” Journal of Thermoplastic Composite Materials, 1997, Vol. 10, pp. 543-572.

86.        D.D. Shin and H.T. Hahn, “A Process Sensitivity Study of Composite Compressive Strength," Journal of Thermoplastic Composite Materials, Vol. 11, 1997, pp. 70-81.

87.        F. Sonmez and H.T. Hahn, " Thermomechanical Analysis of the Laminates Object Manufacturing (LOM) Process," Rapid Prototyping Journal, 1998, Vol. 4, pp. 26-36.

88.        D.E. Lee and H.T. Hahn, "Integral Fit Joint Technologies for Composites," Journal of Thermoplastic Composite Materials, Vol. 11, 1998, pp. 144-169.

89.        M. Lin, H.T. Hahn and H. Huh, “A Finite Element Simulation of Resin Transfer Molding Based on Partial Nodal Saturation and Implicit Time Integration,” Composites-Part A: Applied Science and Manufacturing, Vol. 29A, 1998, pp. 541-550.

90.        M. Tari, J.-P. Imbert, M.Y. Lin, A.S. Lavine, and H.T. Hahn, “Analysis of Resin Transfer Molding With High Permeability Layers,” ASME Journal of Manufacturing Sicence and Engineering, Vol. 120, 1998, pp. 609-616.

91.        M. Tari, A. Bals, J. Park, M.Y. Lin, and H.T. Hahn, “Rapid Prototyping of Composite Parts Using Resin Transfer Molding and Laminate Object Manufacturing,” Composites-Part A: Applied Science and Manufacturing, Vol. 29, 1998, pp. 651-661.

92.        J.-Y Wu, E. Kempner, M. Mitrovic, and H.T. Hahn, "The Bearing Strength of E-glass/Vinyl Ester Composites Fabricated by VARTM" Composites Science and Technology, Vol. 58, 1998, pp. 1519-1529.

93.        J. Bartley-Cho, H.T. Hahn, S.G. Lim, and P. Shyprykevich, “Damage Accumulation in Quasi-Isotropic Graphite/Epoxy Laminates,” Composites Science and Technology, Vol. 58, 1998, pp. 1535-1547.

94.        K.S. Kim and H.T. Hahn, "A stress Analysis of a Mechanical Joint for Carbon Composite Rods," Advanced Composite Materials, Vol. 7, 1998, pp. 137-150.

95.        M. Mitrovic, H.T. Hahn, G.P. Carman, and P. Shyprykevich, “Effect of Loading Parameters on the Fatigue Behavior of Impact Damaged Composite Laminates,” Composites Science and Technology, Vol. 29, 1999, pp. 2059-2078.

96.        O. Turkgenc, R. Dianati, M. Mitrovic, H.T. Hahn, “An Information system for Damage Tolerance of Polymer Matrix Composites,” ASME Journal of Engineering Materials and Technology, Vol. 121, 1999, pp. 524-529.

97.        M. Lin, M.J. Murphy and H.T. Hahn, “Resin Transfer Molding Process Optimization,” Composites-Part A: Applied Science and Manufacturing, Vol. 31, 2000, 361-371.

98.        D. Shin and H.T. Hahn, “A Consistent Cure Kinetic Model for AS4/3502 Graphite/Epoxy,” Composites Part A: Applied Science and Manufacturing, Vol. 31, 2000, pp. 991-999.

99.        J. Park,  M.J. Tari, H.T. Hahn, “Characterization of the Laminated Object Manufacturing (LOM) Process,” Rapid Prototyping Journal, Vol. 6, 2000, pp. 36-50.

100.     M.K. Kang, H.T. Hahn, “Formation of Microvoids During Resin Transfer Molding Process,  Composites Science & Technology, Vol. 60, 2000, pp. 2427-2434.

101.     M. Lin and H.T. Hahn, “A Finite Element Analysis of Convection Problems Using Internal Nodes,  Composites-Part A: Applied Science and Manufacturing, Vol 31, 2000, 373-383.

102.     J. Park, G.P. Carman, and H.T. Hahn, “Design and Testing of a Mesoscale Piezoelectric Inchworm Actuator with Microridges,” Journal of Intelligent Material Systems and Structures, Vol. 11, 2000, pp. 671-680.

103.     J.-S. Kim, C.-G. Kim, C.-S. Hong, and H.T. Hahn, “Development of Concurrent Engineering System for Design of Composite Structures, Composites Science and Technology, Vol. 62, 2000, pp. 851-860.

104.     M.K. Kang, W.I. Lee and H.T. Hahn, “Analysis of Vacuum Bag Resin Transfer Molding Process,” Composites-Part A: Applied Science and Manufacturing, Vol. 32, 2001, 1553-1560.

105.     J. Park, S. Keller, G.P. Carman, and H.T. Hahn, “Development of a Compact Displacement Accumulation Actuator Device for Both Large Force and Large Displacement,” Sensors and Actuators,  A90, 2001, pp. 191-202.

106.     S.W. Choi, H.T. Hahn, and P. Shyprykevich, “Damage Development in Notched Composite Laminates Under Compression-Dominated Fatigue,” Composites Science and Technology, Vol. 62, 2002, pp. 851-860.

107.     S.W. Choi and E.-J. Song, and H.T. Hahn, “Prediction of Fatigue Damage Growth in Notched Composite Laminates Using an Artificial Neural Network,” Composites Science and Technology, Vol. 63, 2003, pp. 661-675.

108.     S.S.Park, N. Bernet, S.D.L. Roche, and H.T. Hahn, “Processing of Iron Oxide/Epoxy Vinyl Ester Nanocomposites,” Journal of Composite Materials, Vol 37, 2003, pp. 465-476.

109.     N. Han, S.S. Suh, J-M. Yang, and H.T. Hahn, “Resin Film Infusion of Stitched Stiffened Composite Panels,” Composites: Part A, Vol. 34, 2003, pp. 227-236.

110.     S. S. Suh, N. L. Han, J.-M. Yang and H. T. Hahn, “Compression Behavior of Stitched Stiffened Panel With a Clearly Visible Stiffener Impact Damage”, Composite Structures,  Vol. 62, 2003, pp. 213-221.

111.     C. Yang, H. Huh and H.T. Hahn, “Evaluation of Effective Material Properties of Composite Materials Using Special FEM,” Journal of Materials Processing Technology, Vol. 140, 2003, pp. 185-190.

112.     J. Dai and H.T. Hahn, “A Comparative Study on Vacuum Assisted Resin Transfer Molding for Sandwich Panel,” Polymer Composites, Vol. 24, 2003, pp. 672-685.

113.     J. Dai and H.T. Hahn, “Flexural Behavior of Sandwich Panels Fabricated by Vacuum Assisted Resin Transfer Molding,” Composite Structures, Vol. 61, 2003, pp. 247-253.

114.     D.S. Shin and H.T. Hahn, “Compaction of Thick Composites: Simulation and Experiment,” Polymer Composites, Vol. 25, 2004, pp. 37-48.

115.     D.S. Shin and H.T. Hahn, “Thermal Control System for Thick Composite Laminates Based on Forecasting,” Polymer Composites, Vol. 25, 2004, pp. 49-59.

116.     J. Dai and H.T. Hahn, “Fatigue Analysis of Sandwich Beams Using a Wear-Out Model,” Journal of Composite Materials, Vol. 38, 2004, pp. 581-590.

117.     V. Yong and H.T. Hahn, “Processing and Properties of SiC/Vinyl Ester Nanocomposites,” Nanotechnology, Vol. 14, 2004, pp.1338-1343.

118.     J.J. Mack, L.M. Viculis, A. Ali, R. Luoh, G. Yang, H.T. Hahn, F.K. Ko, and R.B. Kaner, “Graphite Nanoplate Reinforcement of Electrospun Polyacrylonytrile Nanofibers,” Advanced Materials, Vol. 17, 2005, pp. 77-80.

119.     L.M. Viculis, J.J. Mack, O.M. Mayer, H.T. Hahn, and R.B. Kaner, “Intercalation and Exfoliation Routes to Graphite Nanoplatelets,” Journal of Materials Chemistry, Vol. 15, 2005, pp. 974-978.

120.     V. Yong and H.T. Hahn, “Dispersant Optimization Using Design Of Experiments For Sic/Vinyl Ester Nanocomposites,” Nanotechnology, Vol 16, 2005, pp. 354-360.

121.     C.H. Yang, H. Huh, H.T. Hahn, “Investigation of Effective Material Properties in Composites with Internal Defect or Reinforcement Particles,” International Journal of Solids and Structures, Vol. 42, 2005, pp. 6141-6165.

122.     C. Stuart, Q. Xu, R.J. Tseng, Y. Yang, H.T. Hahn, and Y. Chen, Nanofabrication Module Integrated with Optical Aligner,” Journal of Vacuum Science and Technology, Vol. B24, 2006, pp. 539-542.

123.     R. Luoh and H.T. Hahn, “Electrospun Nancomposite Fibermats as Gas Sensors,” Composite Science and Technology, Vol. 66, 2006, pp. 2436-2441.

124.     Z. Guo, T. Pereira, O. Choi, Y. Wang and H.T. Hahn, “Surface Functionalized Alumina Nanoparticle Filled Polymertic Nancomposites with Enhanced Mechanical Properties,” Journal of materials Chemistry, Vo. 16, 2006, pp. 2800-2808.

125.     M.T. Hung, O. Choi, Y.S. Ju, and H.T. Hahn, “Heat Conduction in Graphite-Nanoplatelet-Reinforced Polymer Nanocomposites,” Applied Physics Letters, Vol. 89, 2006, 023117.

126.      V. Yong and H.T. Hahn, “Rheology of SiC/Vinyl Ester Nanocomposites,” Journal of Applied Polymer Science, Vol 102, 2006, pp. 4365-4371.

127.    Y. Wang and H.T. Hahn, “AFM Characterization of the Interfacial Properties of Carbon Fiber Reinforced Polymer Composites Subjected to Hygrothermal Treatments,” Composite Science and Technology, Vol. 67, 2006, pp. 92-101.

128.    T. Pereira, R. Scaffaro, S. Nieh, J. Arias, Zhanhu Guo, and H.T. Hahn, “Performance of Thin-Film Li-ion Batteries Under Flexural Deflection,” Journal of Micromechanics and Microengineering, 16, 2714-2721 (2006).

129.    V. Yong and H.T. Hahn, “Moisture Absorption Modeling Using Design of Experiments,” Journal of Applied Polymer Science, Vol. 103, No. 3, 2007, pp. 1539-1543.

130.    Z. Guo, S. Park, H. T. Hahn, S. Wei, M. Moldovan, A. B. Karki, and D. P. Young, “Magnetic and Electromagnetic Evaluation of the Magnetic Nanoparticle Filled Polyurethane Nanocomposites,” Applied Physics Letter, accepted  (2006).

131.   Z. Guo, S. Wei, B. Shedd, R. Scaffaro, T. Pereira, and H. T. Hahn, “Particle Surface Engineering Effect on the Mechanical, Optical and Photoluminescent Properties of ZnO/Vinyl-Ester-Resin Nanocomposites”, Journal of Materials Chemistry,  in press, DOI: 10.1039/b613286c (2007).

132.    Z. Guo, S. Park, H. T. Hahn, S. Wei, M. Moldovan, A. B. Karki, and D. P. Young, “Giant Magnetoresistance Behavior of An Iron/Carbonized Polyurethane Nanocomposite,” Journal of Applied Physics, in press (2007).

133.    Z. Guo, X. Liang, T. Pereira, R. Scaffaro, and H. T. Hahn, “CuO Nanoparticle Reinforced Vinyl-ester Resin Nanocomposites: Fabrication, Characterization and Property Analysis,” Composite Science and Technology, in press (2007).

 

Papers Published in or Records of Conferences & Symposia

 

1.            M. Levinson, H. Demiray, H.T. Hahn, D. Bowman, and L.Y. Chang, "The Application of Mechanics to Some Problems in the Rubber Industry," Application of Mechanics of Solid Mechanics, Univ. of Waterloo, 1971, pp. 1-28.

2.            S.W. Tsai and H.T. Hahn, "Recent Developments in Fracture of Filamentary Composites," Proc. of an Int. Conf. on Prospects of Fracture Mechanics, G.C. Sih, H.C. van Elst and D. Broek, Eds., Noordhoff International Pub., 1974, pp. 493-508.

3.            S.W. Tsai and H.T. Hahn, "Failure Analysis of Composite Materials," Inelastic Behavior of Composite Materials, C.T. Herakovich, Ed., AMD-Vol. 13, ASME, 1975, pp. 73-96.

4.            H.T. Hahn, "Curing Stresses in Polymer Matrix Composite Materials," Proc. of a Workshop on Nondestructive Evaluation of Residual Stress, Southwest Research Inst., 1975.

5.            H.T. Hahn, "Fracture Behavior of Composite Laminates," Proc. of an Int. Conf. on Fracture Mechanics and Technology, Vol. 1, G.C. Sih and C.L. Chow, Eds., Sijthoff & Noordhoff International Pub., 1977, p. 285.

6.            J. Awerbuch and H.T. Hahn, "Fracture Behavior of Metal Matrix Composites," Proc. of the 14th Annual Meeting of the Society of Engineering Science, 1977, pp. 343-350.

7.            H.T. Hahn, "Stiffness and Strength of Discontinuous Fiber Composites," Composites Materials in the Automotive Industry, S.V. Kulkarni, C.H. Zweben and R.B. Pipes, Eds., ASME, 1978, pp. 85-109.

8.            H.T. Hahn, "Effect of Constituent Properties on Composite Strength," Proc. of the 24th SAMPE Symp. & Exhibition, 1979, pp. 1470-1479

9.            H.T. Hahn, I.L. Chiu, and T.L. Gates, "Stress-Rupture Lifetimes of Organic Fiber-Epoxy Strands and Pressure Vessels," Proc. 35th Ann. Tech. Conf., Reinforced Plastics/Composites, Inc., SPI, 1980, 17D-1-17D-7.

10.        S.W. Tsai and H.T. Hahn, "Role of Interface in the Strength of Composites," Adhesion and Adsorption of Polymers, Part B., L.-H. Lee, Ed., Plenum Pub., New York, 1980, pp. 463-472.

11.        H.T. Hahn and T.T. Chiao, "Long-Term Behavior of Composite Materials," Advances in Composite Materials, A.R. Bunsell et al., Eds., Pergamon Press, 1980, pp. 584-596.

12.        H.T. Hahn and D.G. Hwang, "Fatigue Failure of Composite Laminates," Mechanics of Composite Review, AFWAL/Materials Laboratory, October 1980.

13.        H.T. Hahn and W.K. Chin, "Engineering Properties Determination for Composite Materials," Proc. Mechanical, Magnetic, and Underground Energy Storage 1980 Annual Contractors' Review, Conf-801128, DOE, 1980, pp. 436-452.

14.        H.T. Hahn and W.K. Chin, "Fiber Composite Materials Testing," Proc. Mechanical, Magnetic and Underground Energy Storage 1981 Annual Contractors' Review, Conf-8l033, DOE, 1981, p. 338.

15.        H.T. Hahn and D.G. Hwang, "Residual Stresses and Their Effects in Composite Laminates," Proc. Int. Symp. on Engineering Science and Mechanics, H.M. Hsia and Y.L. Chou, Eds., National Cheng Kung Univ., Taiwan, 1981, p. 1229.

16.        H.T. Hahn and W.K. Chin, "Mechanical Properties of an Aramid Fiber/Epoxy Composite for Flywheel Applications," Proc. 37th Ann. Conf., RP/CI, SPI, 1982, pp. 24C-27C.

17.        H.T. Hahn, "Fatigue of Composites: Environmental Effects," Fatigue and Creep of Composite Materials, H. Lilholt and R. Talreja, Eds., Riso National Lab., Denmark, 1982, pp. 19-35.

18.        H.T. Hahn, C.K. Lim, and G.C. Pedroza, "Effect of Fabric Structure on Dimensional Stability of Printed Circuit Boards," Proc. 6th Int. Printed Circuits Conf., Morgan Grampian Pub. Co., 1982, VI-1.

19.        S.Y. Lo, H.T. Hahn, and T.T. Chiao, "Swelling of Kevlar 49/ Epoxy and S2-Glass/Epoxy Composites," Progress in Science and Engineering of Composites, Vol. 2, T. Hayashi et al., Eds., Japan Society for Composite Materials, 1982, pp. 987-1000.

20.        H.T. Hahn and A. Hosangadi, "Environmental Degradation of Sheet Molding Compounds," ACS Preprint, Organic Coatings & Plastics Chem. Div., Vol. 48, 1983, pp. 844-848.

21.        L. Lorenzo and H.T. Hahn, "Acoustic Emission Study of Fibers Embedded in Epoxy Matrix," Proc. First International Symp. on Acoustic Emission from Reinforced Composites, SPI, 1983, Session 2.

22.        H.T. Hahn, J. Erikson, and S.W. Tsai, "Characterization of Matrix/Interface-Controlled Strength of Unidirectional Composites," Proc. 2nd USA-USSR Symp. on Fracture of Composites Materials, G.C. Sih and V. Tamuzs, Eds., Martinus Nijhoff Pub., 1983, p. 259.

23.        H.T. Hahn and T. Johannesson, "A Correlation Between Fracture Energy and Fracture Morphology in Mixed-Mode Fracture of Composites," Mechanical Behavior of Materials - IV, J. Carlson and N.G. Ohlson, Eds., Pergamon Press, 1983, pp. 431-438.

24.        H.T. Hahn and T. Johannesson, "Fracture of Unidirectional Composite: Theory and Applications," Mechanics of Composite Materials, AMD-Vol. 58, G. Dvorak, Ed., ASME, 1983, pp. 135-142.

25.        H.T. Hahn, "Failure Mechanisms," Failure Analysis and Mechanisms of Failure of Fibrous Composite Structures, NASA Conf. Pub. 2278, 1982, pp. 153-171.

26.        H.T. Hahn, "Application of Ultrasonic Technique to Cure Characterization of Epoxies," Nondestructive Methods for Material Property Determination, C.O. Rudd and R.E. Green, Jr., Eds., Plenum Press, 1984, pp. 315-326.

27.        L. Lorenzo and H.T. Hahn, "Detection of Ply Cracking Through Wave Attenuation," Proc. 29th National SAMPE Symp., SAMPE, 1984, pp. 1022-1033.

28.        H.T. Hahn and L. Lorenzo, "Fatigue Failure Mechanisms in Composite Laminates," Advances in Fracture Research, Vol. 1, S.R. Valluri et al., Eds., Pergamon Press, 1984, pp. 549-586.

29.        H.T. Hahn, "Effects of Constituent Properties on Compression Failure Mechanisms," Tough Composite Materials, NASA Conf. Pub. 2334, 1984, pp. 81-98.

30.        H.T. Hahn, "Environmental Degradation in Composite Laminates," Proc. Workshop on Failure Modes and NDE of Composites, Ministry of Defence, United Kingdom, 1984, p. 10.

31.        H.T. Hahn and K.S. Kim, "Dimensional Stability of PCB Laminates During Cure," Composites in Manufacturing 5, Society of Manufacturing Engineers, 1986, EM86-109.

32.        H.T. Hahn, K.L. Jerina, and W. Chiou, "Thermoelastic Behavior of Injection-Molded Thermoplastic Composites," Proc. Int. Symp. on Composite Materials and Structures, Technomic Pub. Co., 1986, pp. 68-74.

33.        E.J. Tuegel and H.T. Hahn, "Ultrasonic Cure Characterization of Epoxy Resins: Constitutive Modeling," Proc. American Society for Composites, 1986, pp. 129-136.

34.        S.M. Moon, M.M. Sohi, and H.T. Hahn, "Detection of Subcritical Compression Failure in Model Composites by Acoustic Emission," Proc. Second Symp. on Acoustic Emission in Fiber Reinforced Composites, SPI, 1986, pp. 165-178.

35.        M.M. Sohi and H.T. Hahn, "Kink Band Formation in Unidirectional Composites Under Compression," Composites '86: Recent Advances in Japan and the United States, K. Kawata, S. Umekawa, A. Kobayashi, Eds., Tokyo, 1986, pp. 417-424.

36.        D.G. Hwang and H.T. Hahn, "The Failure Characteristics of a GR/EP Laminate," Advanced Composite Materials and Structures, Ed. G.C. Shi and S.E. Hsu, May 1986, pp. 529-557.

37.        L. Lorenzo and H.T. Hahn, "Evaluation of Fatigue Failure in Unidirectional Composites by Acoustic Emission Technique," Proc. 6th Int. Offshore  Mechanics and Arctic Engineering Symp., Vol. III, M.M. Salama, H.C. Rhee, J.Y. Koo, Eds., ASME, 1987, pp. 25-30.

38.        H.T. Hahn, "Analysis of Kink Band Formation Under Compression," Proc. 6th Int. Conf. on Composite Materials, Vol. 1, F.L. Matthews, N.C.R. Buskell, J.M. Hodgkinson, and J. Morton, Eds., Elsevier Applied Science, 1987, pp. 1.269-1.277.

39.        Y.M. Han, H.T. Hahn, and R.B. Croman, "A Simplified Analysis of Transverse Ply Cracking in Cross-Ply Laminates," Proc. American Society for Composites, 2nd Tech. Conf., Technomic Pub. Co., 1987, p. 503.

40.        H.T. Hahn, "Compressive Failure of Unidirectional Composites," Proc. 13th Int. Symp. for Testing and Failure Analysis, ASM, 1987, pp. 235-238.

41.        H.T. Hahn, Y.M. Han, and R.Y. Kim, "Resistance Curves for Ply Cracking in Composite Laminates," Materials - Pathway to the Future, SAMPE, Vol. 33, 1988, pp. 1101-1108.

42.        K.S. Kim, H.T. Hahn, and J.G. Williams, "Application of Composites in TLP Tethers," Proc. 7th Int. Offshore Mechanics and Arctic Engineering Symp., Vol. III, M.M. Salama, R. Denys, H.C. Rhee, J.Y. Koo, Eds., ASME, 1988, pp. 1-7.

43.        J.M. Chisholm, H.T. Hahn, and J.G. Williams, "Effect of Seawater on the Fracture Toughness of Pultruded Rods," Mechanics of Composite Materials, D.J. Dvorak, Ed., ASME, 1988, pp. 117-122.

44.        S.M. Moon, H.T. Hahn, and K.L. Jerina, "Evaluation of Ply Failure in Glass/ Epoxy Cross-Ply Laminates by Acousto-Ultrasonic Technique," Materials - Processes: The Intercept Point, SAMPE, Vol. 20, 1988, pp. 667-680.

45.        S.M. Moon, H.T. Hahn, K.L. Jerina, "Detection of Impact Damage in Composite Laminates by Acousto-Ultrasonic Technique," Proc. 4th Japan-U.S. Conf. on Composite Materials, Washington, DC, June 27-29, 1988, pp. 92-105.

46.        H.T. Hahn, Y.M. Han, and R.Y. Kim, "Resistance Curves for Ply Cracking in Composite Laminates," Proc. 33rd Int. SAMPE Symp. & Exhibition, Vol. 33, 1988, pp. 1101-1108.

47.        L. Lorenzo and H.T. Hahn, "Static and Fatigue Fracture Monitoring in Unidirectional Composites by Acoustic Emission," Proc. Conf. on Nondestructive Testing and Evaluation for Manufacturing and Construction, August, 1988, p. 64.

48.        S.M. Moon, H.T. Hahn,  and K.L. Jerina, "Acousto-Ultrasonic Wave Propagation in Composite Laminates," NASA Symp. on Acousto-Ultrasonics: Theory and Applications, Ed. John C. Duke, Jr., Plenum Press, New York and London, 1988, pp. 111-125.

49.        Y. M. Han and H.T. Hahn, "Design of Composite Laminates with Ply Failure," Proc. 34th Int. SAMPE Symp. and Exhibition, Vol. 34, 1989, pp. 529-538.

50.        J.A. Larock, H.T. Hahn, D.J. Evans, "Pultrusion Processes for Thermoplastic Composites," Proc. 44th Ann. Conf., SPI/Composites Inst., 1989, 8-A.

51.        R. Shimansky, H.T. Hahn, "Effect of Interfacial Properties on Matrix Cracking Stress of Fiber Reinforced Ceramics,"  Proc. Symp. on High Temperature Composites, American Society for Composites, June, 1989, pp. 148-157.

52.        S. White and H.T. Hahn, "Cure Cycle Optimization to Reduce Residual Stresses," Proc. American Society for Composites, 4th Tech. Conf., 1989, pp. 137-146.

53.        M.J. Fedro, H.T. Hahn, and D.W. Jensen, "Filament Winding of Thermoplastic Composites Using Comingled Yarns," Fabricating Composites '89, SME, 1989,  EM89-584, pp. 1-18.

54.        H.T. Hahn and S. Chiou, "Ultrasonic Characterization of Sol/Gel Processing," Materials Research Society Symp. Proc., Vol. 142, Nondestructive Monitoring of Material Property, 1989, pp. 295-302.

55.        M.N. Kallas and H.T. Hahn, "A Failure Criterion for Composites Under 3-Dimensional State of Stress," Proc. 35th SAMPE Symp. & Exhibition, Vol. 35, Book 1, 1990, pp. 674-686.

56.        J.M. Prandy and H.T. Hahn, "Compressive Strength of Carbon Fibers," Proc. 35th SAMPE Symp. & Exhibition, Vol. 35, Book 2, 1990, pp. 1657-1670.

57.        K.J. Schulte and H.T. Hahn, "Annealing of Residual Stresses in Gr/PEEK Laminate," Proc. 5th Tech. Conf., American Society for Composites, 1990, pp. 81-89.

58.        R.A. Shimansky, H.T. Hahn, and N.J. Salamon, "The Effect of Weak Interface on Transverse Properties of a Ceramic Matrix Composite," Interfaces in Composites, Materials Research Society Symp. Proc., MRS, Vol. 170, 1990, pp. 193-204.

59.        H. A. Huang and H. T. Hahn, "Compressive Failure Mechanisms of Composite Honeycomb Cores," Achievement in Composites in Japan and the United States: Proc. 5th Japan-U.S. Conf. on Composite Materials, A. Kobayashi, ed., 1990, pp.153-160.

60.        K.S. Kim, H.T. Hahn, J.G. Williams, "Design of a Mechanical Joint for Pultruded Composite Rods," Proc.  Seventh International Conf. on Composite Materials, Vol. 3, 1991, pp. 334-339.

61.        H. Huang, H.T. Hahn, H.W. Chang, H.X. Nguyen, "Ultrasonic Properties of Spectra Fiber Composites for Marine Application," Proc. 36th SAMPE Symp. & Exhibition, Vol. 36, Book 2, 1991, p. 1879.

62.        H.T. Hahn, "Design for Manufacturability (DFM) for Composites," Proc. 8th Int. Conf. on Composite Materials, Vol. 4, 1991, pp. 1E-1-1E-10.

63.        I. Kim, H.T. Hahn, C.E. Bakis "Laminated Plate Theory for Thick Composites:  Experimental Correlation," Proc. 8th Int. Conf. on Composite Materials, Vol. 4, 1991, pp. 30H-1-30H-10.

64.        J.M. Chisholm, N.M. Kallas, and H.T. Hahn, "The Effect of Sea Water Absorption in Pultruded Composite Rods," Proc. 8th Int. Conf. on Composite Materials, Vol. 4, 1991, pp. 16A-1-16A-10.

65.        S.J. Claus and H.T. Hahn, "Processing-Structure Relationships for Filament-Wound Composite Shells," Proc. American Society for Composites, 6th Tech. Conf. on Composite Materials, , 1991, pp. 866-872.

66.        S.R. White and H.T. Hahn, "Process Modeling in Thermosetting Polymeric Composites," Proc. American Society for Composites, 6th Tech. Conf., 1991, pp. 860-866.

67.        D. Weems, H.T. Hahn, E. Granlund, and  I.G. Kim, "Impact Detection in composite Skin Panels Using Piezoelectric Sensors," Proc. American Helicopter Society 47th Forum, 1991, pp. 643-652.

68.        H.T. Hahn, J. Kiusalaas, B.P. Burns, and T.A. Bogetti, "Constitutive Modeling of Composite Laminates with Progressive Ply Cracking,"  Computers in Engineering, Vol. 2, ASME, 1992, pp. 185-193.

69.        I. Kim, H.T. Hahn, and C. Bakis,  "Wave Dispersion in Thick Composite Laminates," Proc. 2nd Int. Symposium on Composite Materials and Structures, Peking Univ. Press, 1992, pp. 610-615.

70.        R. Pandey and H.T. Hahn, "A Micromechanics Model for 2D Fabrics," Proc.  American Society for Composites, 7th Tech. Conf., 1992, pp. 359-368.

71.        I. Kim, H.T. Hahn, and D. Weems, "Impact Detection in Smart Composite Structures Using Piezoelectric Sensors," Proc. 6th U.S.-Japan Conf. on Composite Materials, 1992., pp. 201-212.

72.        C.A. Lewinsohn, C.E. Bakis, H.T. Hahn, and R.E. Tressler, "Creep Testing of CVD Silicon Carbide Fibers," Proc. American Society for Composites, 7th Tech. Conf., 1992, pp. 779-791.

73.        B.B. Hill, C.E. Bakis, and H.T. Hahn, "Creep of SiC/RBSN Composite: Analytical Modeling," Contitutive Behavior of High-Temperature Composite, MD-Vol 40, ASME, 1992, pp. 121-135.

74.        H.T. Hahn and R.C. Temple, "A Mechanism-Based Constitutive Equation for Thick Composite Laminates with Ply Cracking," Mechanics of Thick Composites, AMD-Vol. 162, ASME, 1993, pp. 151-158.

75.        H.T. Hahn and S.J. Claus, "Improved Manufacturing Techniques for Thin Filament-Wound Cylinders," Composites Modeling and Processing Science, 9th Int. Conf. on Composite Materials, Univ. of Zaragoza, Spain, 12-16 July, 1993, pp. 409-416.

76.        E. A. Kempner and H.T. Hahn, "The Effect of Radial Stress Relaxation on Fiber Stresses in Thick Filament-Wound Cylinders," Composites Modeling and Processing Science, 9th Int. Conf. on Composite Materials, Univ. of Zaragoza, Spain, 12-16 July, 1993, pp. 462-469.

77.        Hahn, H.T., Wilkerson, B., and Stuart, J. , "Low-Energy Impact Monitoring Using an Artificial Neural Network," Proc.  American Society for Composites,, 8th Tech. Conf., 1993, pp. 615-623..

78.        Kim, I.G. and Hahn, H.T., "Prediction of Low-Energy Impact Based on Piezoelectric Sensor Signals," Adaptive Structures and Materials Systems, AD-Vol. 35, ASME, G.P. Carman and E. Garcia, Eds., 1993, pp. 433-440.

79.        R. Pandey and H.T. Hahn, "CAD for 4-Step Braided Fabric Composites," Proc.  American Society for Composites, 9th Tech. Conf., 1994, pp.719-726.

80.        R. Pandey and H.T. Hahn, "Cost Effective Design of 4-Step Braided Composites Through Computer simulation," Advanced in Computer-Aided Engineering (CAE) of Polymer Processing, ME-V0l. 49, ASME, 1994, pp.297-305.

81.        J. Zhang and H.T. Hahn, "Concurrent Engineering for Composites: Requirement Analysis About the Environment," Computers in Engineering, Vol. 1, ASME, 1994, pp. 327-334.

82.        J. Timmer and H.T. Hahn, "The Effect of Preloading on Fatigue Damage in Composites," Proc. 39th SAMPE Int. Symp. & Exhibition, 1994, pp. 1250-1263.

83.        F. O. Sonmez and H.T. Hahn, "Simulation of Crystallization Behavior During Thermoplastic Tape Placement Process," Proc. 10th Int. Conf. on Composite Materials, Vol III: Processing and Manufacturing, Woodhead Pub., 1995, pp. 325-332.

84.        D.E. Lee and H.T. Hahn, "Application of Virtual Manufacturing in Composite Airframe Structure Assembly," Proc.  American Society for Composites, 10th Tech. Conf., 1995, pp. 32-40.

85.        J.D. Bartley-Cho, S. Lee and H.T. Hahn, "The Effects of Stress Ratio and Load Sequence on Damage Accumulation in Quasi-Isotropic Laminates," Proc.  American Society for Composites, 10th Tech. Conf., 1995, pp. 152-160.

86.        D.D. Shin and H.T. Hahn, "Process Sensitivity of Compression Strength of a Graphite/Epoxy Composite," Proc.  American Society for Composites, 10th Tech. Conf., 1995, pp. 293-301.

87.        E.A. Kempner and H.T. Hahn, "A Model for Fiber Compaction During Composites Processing," Proc.  American Society for Composites, 10th Tech. Conf., 1995, pp. 536-545.

88.        D. E. Lee and H. T. Hahn, "Virtual Assembly Production Analysis of Composite Aircraft Structures," Proc. 1995 ASME Computers In Engineering Conference, ASME Press, New York, NY, 1995, pp. 867-874,

89.        D. Lee and H.T. Hahn, “A Survey of Integral Fit Joint Technologies for Composites,  Proc.  American Society for Composites, 11th Tech. Conf., 1996, pp. 191-200.

90.        D. E. Lee and H. T. Hahn, "Assembly Modeling and Analysis of Integral Fit Joints for Composite Transportation Structures," Proc. 1996 ASME Design Engineering Technical Conferences/Computers in Engineering Conference (CD-ROM), 96DETC/FAS-1362, ASME Press, New York, NY, 1996.

91.        D. E. Lee and H. T. Hahn, "A Coordinated Product and Process Development Environment for Design for Assembly," Proc. 1996 ASME Design Engineering Technical Conferences/Computers in Engineering Conference (CD-ROM), 96DETC/DFM-1300, ASME Press, New York, NY, 1996.

92.        S.B. Park, S.S. Park, G.P. Carman, and H.T. Hahn, "Polarization Switching for Ferroelectric Materials," Proc. Of the ASME Aerospace Division, Ad-Vol. 52, 1996, pp. 603-612.

93.        M.J. Tari, M.Y. Lin, and H.T. Hahn, “Resin Transfer Molding and High Permeability Layers,” Composites ’97, Society of Manufacturing Engineers, 1997, pp. 179-187.

94.        T.J. Wu and H.T. Hahn, “Mechanical Properties of E-Glass/Vinyl Ester Composite Fabricated by VARTM,” Proc. 42nd  SAMPE Int. Symp. & Exhibition, Vol. 42, 1997, pp. 1-12.

95.        M. Mitrovic, H.T. Hahn, and G.P. Carman, “Effect of Loading Parameters on Compression Dominated Fatigue Behavior of Impact Damaged Composite Laminates,” Proc. 11th Int. Conf. on Composite Materials (CD-ROM), Vol. II, 1997, pp. 17-26.

96.        E. Kempner, H.T. Hahn, H. Huh, “The Effect of Aged Materials on the Autoclave Cure of Thick Composites,  Proc. 11th Int. Conf. on Composite Materials (CD-ROM), Vol IV, 1997, pp. 422-430.

97.        D. E. Lee and H. T. Hahn, "Generic Modular Operations for Virtual Manufacturing Process Engineering,"  Proc. 1997 ASME Design Engineering Technical Conferences/Computers in Engineering Conference (CD-ROM), DETC97/CIE-4309, ASME Press, New York, NY, 1997.

98.        M.Y. Lin and H.T. Hahn, “Lumped Mass Lagrangean Method for Heat and Species Tranport in Resin Transfer Molding,” Proc.  American Society for Composites, 12th Tech. Conf., 1997, pp. 807-816.

99.        D.D. Shin, L.L. Lai, and H.T. Hahn, “Thermal Control System for Thick Composite Laminates Based on Forecasting,” Proc.  American Society for Composites, 12th Tech. Conf., 1997, pp. 882-891.

100.     M.J. Tari and H.T. Hahn, “Rapid Process Development Techniques for Resin Transfer Molding,” Proc.  American Society for Composites, 12th Tech. Conf., 1997, pp. 787-796.

101.     D. E. Lee and H. T. Hahn, "Comparative Assembly Cost Performance Analysis of Joint Technologies in Composite Structures," Proc. American Society for Composites, 12th  Tech.  Conf, 1997, pp. 756-755.

102.     D. E. Lee and H. T. Hahn, "Composite Additive Locking Joint Elements (C-Locks) for Standard Structural Components," Proc.  American Society for Composites, 12th Tech. Conf., 1997, pp. 774-783.

103.     S.W. Choi, M. Mitrovic, J. Bartley-Cho, H.T.  Hahn, and P. Shyprykevich, "Effect of Loading Parameters on Fatigue Damage Development in Notched Composite Laminates," Proc. 43rd  SAMPE Int. Symp. & Exhibition, Vol. 43, 1998, pp. 1257-1268.

104.     M. Mahler and H.T. Hahn, "Repair Methods for Composite Structures," Proc. The 8th Japan-U.S. Conference on Composite Materials, G.M. Newaz and R. F. Gibson, Eds., Technomic Pub., 1998, pp. 53-62.

105.     E. Kempner and H.T. Hahn, "A Unified Approach to Manufacturing Simulation for Composites," Proc. The First Korea-U.S. Workshop on Composite Materials, Seoul, Korea, Sept. 1998.

106.     S. Park, J.H. Park, M.K. Kang, and H.T. Hahn, "Optimization of Laminated Object Manufacturing Process Parameters for Composite Materials," Proc.  American Society for Composites, 13th Tech. Conf., 1998, pp. 1560-1569.

107.     D. E. Lee and H.T. Hahn, "Computation Modeling of Composite Integral Fit Joints," Proc.  American Society for Composites, 13th Tech. Conf., 1998, pp. 437-454.

108.     D. Shin, E.A Kempner,  and H.T. Hahn, “Compaction of Thick Composites: Simulation and Experiment,” Proc. 14th Int. Conf. on Composite Materials (CD-ROM), 1999.

109.     P. Shyprykevich, H.T. Hahn, M. Mitrovic, “Damage Accumulation in Composite Structures Under Repeated Loads,” Proc. 14th Int. Conf. on Composite Materials (CD-ROM), 1999.

110.     M. Mahler and H.T. Hahn, “Parametric Studies of Bonded Repair for Composite Structure,” Proc.  American Society for Composites, 14th Tech. Conf., 1999, pp. 874-883.

111.     H. T. Hahn, “Information Systems for Composites,” Proc. 2nd Asian-Austrasian Conference on Composite Materials, 2000, pp. 1-10.

112.     S.S. Suh, J.H. Park and H.T. Hahn, “Stitching Effect on Textile Composites,” Proc. 2nd Asian-Austrasian Conference on Composite Materials, 2000, pp. 1199-1204.

113.     S.S. Suh, H.T. Hahn, N.L. Han, J.-M. Yang, P. Shyprykevich, and S.M. Lee, “Damage Tolerance of Stitched Panel With Stiffeners,” Proc.  American Society for Composites, 15th Tech. Conf., 2000, pp. 881-888.

114.     N.L. Han, S.S. Suh, H.T. Hahn, J.-M. Yang, P. Shyprykevich, and S.M. Lee, “Manufacturing of  Stitched Composite Panels,” Proc.  American Society for Composites, 15th Technical Conference, 2000, pp. 889-895.

115.     J. Park, M. Mitrovic, G.P. Carman, and H.T. Hahn, “Design and Testing of a Mesoscale Actuator Device (MAD),” SPIE, Smart Structures and Integrated Systems, V. 3985, 2000, pp. 717-727.

116.     S.S. Park, N. Bernet, S. de la Roche, and H.T. Hahn, “Ultrasonic Dispersion of Nanoparticles in an Epoxy Vinyl Ester Resin,” Proc. American Society for Composites, 16th Technical Conference, 2001, Paper No. 129.

117.     S.S. Suh, H.T. Hahn, N. Han, J.-M. Yang, “The Effect of Stitching on Compression Behavior of Stiffened Composite Panels,  Proc. ASME Congress 2001.

118.     H.T. Hahn and J.L. Lee, “The Effects of Pressure on Thermal Aging of a Graphite Epoxy/Composite,” Proc. 13th International Conference on Composite Materials, Beijing, China, 2001.

119.     J. Dai And H. T. Hahn, “Fatigue Analysis of Sandwich Beams Using a Wear-Out Model,” Proc. American Society for Composites, 17th Techn. Conf., Oct. 2002.

120.     J. Mack, L. Viculis, A. Ali, R. Luoh, G. Yang, R. Kaner, H.T. Hahn, and F. Ko, “Graphite Nanoplatelet Based Nanocomposites by the Electrospinning Process,” Proc. American Society for Composites, 17th Technical Conference, Oct. 2002.

121.     S.S. Suh, N. Han, J.-M. Yang, and H.T. Hahn, “The Effect of Stitching on Damage Tolerance of Stiffened Composite Panel,  Proc. American Society for Composites, 17th Technical Conference, Oct. 2002.

122.     H.T. Hahn, “Multifunctional Polymer Nanocomposites,” Proc. U.S.-Korea Technical Conference 2002, Seoul, Korea, July 8-13, 2002

123.     A.D. Pool and H.T. Hahn, “A Nanocomposite for Improved Stereolithography,” SAMPE 2003 Proc. (CD ROM), May 2003.

124.     J.S. Song, H. Huh and H.T. Hahn, “Stress Evaluation of Nanocomposites with Nanoplatelets,  Proc. 14th Int. Conf. on Composite Materials (CD-ROM), July 2003.

125.     R. Luoh, F. Ko and H.T. Hahn, Los Dielectric Constant Electrospun Nanocomposite Fiber Mats Produced by Electrospinning,” Proc. 14th Int. Conf. on Composite Materials (CD-ROM), July 2003.

126.     L. Lopez, B.M.K. Song and H.T. Hahn, “The Effect of Particle Size in Alumina Nanoomposites,” Proc. 14th Int. Conf. on Composite Materials (CD-ROM), July 2003.

127.     Lisa Viculis, Julia Mack, Ashraf Ali, Russell Luoh, Guoliang Yang, Richard Kaner,Thomas Hahn, and Frank Ko, “Nanocomposite Fibrils from Graphite Nanoplatelets,” Proc. 14th Int. Conf. on Composite Materials (CD-ROM), July 2003.

128.     I.-G. Kim, C.Y. Park, Y. S. Lee, and H.T. Hahn, “Monitoring of Damage-induced Impact Force for Composite Laminates Using PVDF Sensor Signals,” Proc. 14th Int. Conf. on Composite Materials (CD-ROM), July 2003.

129.     J.-Y. Kim, L. Yu and H.T. Hahn, “Graphite Nanoplatelet/Epoxy Vinyl Ester Composites,” Proc. 14th Int. Conf. on Composite Materials (CD-ROM), July 2003.

130.     V. Yong and H.T. Hahn, “Kevlar/Vinyl Ester Composites with SiC Nanoparticles,” SAMPE 2004 Proc. (CD ROM), May 2004.

131.     S.H. Kim and H.T. Hahn, “The Size Effect in Particulate Metal Matrix Composites: An Analytical Approach,” the 11th U.S.-Japan Conference on Composite Materials, Yonezawa, Japan, Sept. 9-11, 2004.

132.     S.-H. Kim and H.T. Hahn, “Magnetic Composites for Surface Applications,” Proc. American Society for Composites, 19th Technical Conference (CD ROM), Oct. 2004.

133.     L. Sasa, H.T. Hahn and J. Higgins, “Effect of Graphite Nanoplatelet Loading on the Microcrack Mitigation Capabilities of Composite Structures,” AIAA-2005-2151, AIAA 46th SDM Conference, April 2005.

134.     K. Yamaguchi and H.T. Hahn, “The Improved Ply Cracking Resistance of Thin-Ply Laminates,” Proc. 15th Int. Conf. on Composite Materials (CD-ROM), June 2005.

135.   M. Lui and H.T. Hahn, “Nanoparticle-Based Mitigation of fiber Print-Through in Composite Mirrors,” Proc. American Society for Composites, 20th Technical Conference (CD ROM), Sept. 2005.

136.   O. Choi, H.T. Hahn, S. Gilje, and R.B. Kaner, “Graphite Nanoplatelet Reinforced Epoxy Composites: The Effect of Exfoliation and Surface Treatment,” SAMPE ISTC Vol. 37 (CD ROM), Oct. 2005.

137.      J.H. Song, H. Huh, S.H. Kim, and H.T. Hahn, “Finite Element Analysis of Room Temperature Nanoimprint Lithography Process with Rate Dependent Plasticiey,” Materials Science Forum, Vols. 505-507, 2006, pp. 85-90.

138.  Z. Sakota, H.T. Hahn, and L. Lackman, ”Out of Autoclave Curing of Composites,” SAMPE 2006 Proc. (CD ROM), May 2006.

139.   Z. Guo, O. Choi, Y. Wang, T. Pereira, and H.T. Hahn, “Surface Functionalized Nanparticle Filled Polymeric Nancomposite with Enhanced Mechanical Property,” SAMPE 2006 Proc. (CD ROM), May 2006.

140.   S. Gilje, O. Choi, R.B. Kaner, and H.T. Hahn, “Graphite Particle Size Effects on Mechanical Properties of Epoxy Composites,” SAMPE 2006 Proc. (CD ROM), May 2006.

141.     O. Choi, S. Gilje, H.T. Hahn, and R.B. Kaner, “Graphite Nanoplatelet Composites,” SAMPE 2006 Proc. (CD ROM), May 2006.

142.   Y. Wang and H.T. Hahn, “AFM Characterization of the Hygroscopic and Thermal Treatment Effects on Carbon Fiber/Epoxy Composites,” SAMPE 2006 Proc. (CD ROM), May 2006.

143.  H. Kim, H.T. Hahn, L.M. Viculis, and R.B. Kaner, “Graphite Nanoplatelet (GNP)/Polymer Nan composites based on Potasium-Benzene-Intercalation Compounds,” Proc. American Society for Composites, 21st Technical Conference (CD ROM), Sept. 2006.

144.   H. Seo, H.T. Hahn, and J.-M. Yang, “Impact Damage Tolerance and Fatigue Durability of GLARE Laminates for Aircraft Structures,” Proc. The 12th US-Japan Conference on Composite Materials, Sept. 2006.