期刊
MATERIALS RESEARCH LETTERS
卷 4, 期 4, 页码 226-232出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/21663831.2016.1191554
关键词
High entropy alloy; dynamic compression; equation of state
资金
- National Basic Research Program of China [2012CB937500]
- National Natural Science Foundation of China [11172311, 11021262, 10932011, 11472287, 51531001]
In this work, we studied the shock response of two typical equiatomic high entropy alloys (HEAs) (i.e. FCC-structured CrMnFeCoNi alloy and BCC-structured NiCoFeCrAl alloy). The experimental results show that these two HEAs exhibit a relatively high Hugoniot elastic limit and high-phase transition threshold stress. We attribute this anomalous dynamic response of HEAs to their intrinsic chemically disordered structures. This work may provide new insight into shock compression behavior of HEAs. [GRAPICS] IMPACT STATEMENT This is the first work to demonstrate that high entropy alloys (HEAs) behave 'super-stably' under shock loading, which may provide new insight into shock compression behavior of HEAs.
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