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Atomic Size Effect in High Entropy Alloys
Speaker Prof Zhijun Wang
Northwestern Polytechnical University, China
Date 16 March 2017 (Thursday)
Time 16:00 - 17:00
Venue Chen Kuan Cheng Forum (LT-H), HKUST
The high entropy alloys has been one of the hot topics in metallic materials. The random solid solutions with multiprincipal alloying elements in HEAs show chemical distorted solid in a crystalline lattice. The atomic size differences of the alloying elements require a criterion for the lattice instability. After literature review, we gain further insight on the atomic size effect in the HEAs by topological packing instability analyses.