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An equiatomic CoCrFeNiMn high-entropy alloy was synthesized by mechanical alloying (MA) and spark plasma sintering (SPS). During MA, a solid solution with refined microstructure of 10 nm which consists of a FCC phase and a BCC phase was formed. After SPS consolidation, only one FCC phase can be detected in the HEA bulks. The as-sintered bulks exhibit high compressive strength of 1987 MPa. An interesting...
A good combination of high tensile strength as well as large elongation and low coercivity is achieved by optimal precipitation for FeCo-2V-Cr alloy. The precipitate is characterized by bcc structure with plate-like contrast and is disordered phase due to its enrichment of V and Cr in contrast to the partial ordering observed in matrix phase. The Cr addition is significant in such precipitation that...
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