School of Engineering  and Material Science  Department of Materials  Science and Engineering

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Learn more about Materials Science

  
Professor Jenn - Ming Yang, Chair 
tel. (310) 825-2758 
fax (310) 206-7353 
email: jyang@seas.ucla.edu
Hybrid & Multi-Phase Materials Laboratory

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bulletProfessor, V. Chair: BS, National Tsing-Hua University, (Taiwan), Ph.D., University of Delaware, NSF Presidential Young Investigator Award, Alcoa Foundation Award, Ford Foundation Award.

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RESEARCH DESCRIPTION

bulletMy research is primarily focused on investigating the fundamental problems related to processing, microstructure and behavior of high-temperature composites for advanced aerospace structural and ground transportation applications.
  1. Deformation and Fracture Behavior of High Temperature Composites
  2.  Our effort is to create a science base in quantitative relations between the microstructural parameters and macroscopic mechanical response of high temperature composites. Such relationships would permit dependable engineering of composite structural components for safe and reliable service at elevated temperatures. We are conducting experimental and theoretical work to study the significant issues on mechanisms and mechanics of deformation and fracture of high temperature composites. 

      

  3. In-Situ Reinforced Composites
  4.  We are developing several high temperature materials with an industrial collaborators, such as Cr(Mo)/NiAl eutectic composite and oxide/oxide eutectic fibers (Y3Al5O12/Al2O3 and Al2O3/ZrO2(Y2O3)) using the directional solidification technique. Currently, we are conducting experimental work to study the kinetics and mechanisms of microstructural instability as well the creep and strength degradation deformation mechanisms. 

      

  5. Processing and Characterization of Nanoceramic and Composites
  6.  We are investigating the sintering and mechanical behavior of nano-sized Si3N4 and SiC for high temperature applications. 

KEY WORDS:

High temperature materials, composites, fracture, fatigue, creep, directional solidification, intermetallics, ceramic fiber, sintering, processing, nanoceramics.

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