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Shuying Chen

Shuying ChenShuying Chen is a third year graduate student in the Materials Science and Engineering (MSE) Department at the University of Tennessee, Knoxville (UTK). Prior to joining UTK, Ms. Chen studied the mechanical properties of the refractory high entropy alloy (HEA) AlxNbTiMoV at the University of Science and Technology in Beijing, China, receiving her Master of Science degree in 2014. Ms. Chen’s research is mainly focused on the serrated flow mechanism and fatigue behavior in Al₀.₅CoCrCuFeNi and TaNbHfZrTi HEAs under the direction of Prof. Peter Liaw. The temperature and strain rate effects on the compression, tension, fracture stress, and creep-life experiments are currently being investigated to establish statistical models for serration behaviors in Al₀.₅CoCrCuFeNi HEAs. Excellent fatigue properties of the refractory TaNbHfZrTi HEA have been observed during cyclic loading experiments. Characterization tools, including scanning electron microscopy (SEM) with electron backscatter diffraction (EBSD), transmission electron microscopy (TEM), atom probe topography (APT), and high-energy synchrotron X-ray diffraction and neutron diffraction, are being employed for studying phase transformations and determining details including nano-particles, twinning, and interactions of dislocations within the HEAs. These characterization studies combined with computer modeling could potentially ascertain in-depth mechanisms for plastic deformation and precursors to fracture of serrations within these application-attractive materials. Ms. Chen presented some of her recent research results at the TMS 145th annual meeting and exhibition held in Nashville, TN, in February 2016. She also shared her research during one of the UTK MSE departmental seminars.

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