Journal
INTERMETALLICS
Volume 56, Issue -, Pages 24-27Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.intermet.2014.08.008
Keywords
High-entropy alloys; Mechanical properties; Magnetic properties; Mechanical alloying and milling; Microstructure; Electron microscopy, transmission
Categories
Funding
- National Natural Science Foundation of China
- Ministry of Science and Technology of the People's Republic of China
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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 magnetic transition associated with the structure coarsening and phase transformation was observed during SPS process. (c) 2014 Elsevier Ltd. All rights reserved.
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