期刊
RESULTS IN PHYSICS
卷 8, 期 -, 页码 253-256出版社
ELSEVIER
DOI: 10.1016/j.rinp.2017.12.002
关键词
High entropy alloys; Bulk metallic glasses; Glass forming ability; Mechanical property and fragility
资金
- National Natural Science Foundation of China [11405045, 51571085, 51301062, 11304081]
- Program for Innovative Research Team of Henan Polytechnic University [T2017-2]
- Fundamental Research Funds for the Universities of Henan Province [NSFRF1618]
- [B2013-046]
We reported here the studies of a series of Zr20Ti20Hf20M20Be20 (M = Cu, Ni and Co) quinary high entropy bulk metallic glasses. Glasses with critical diameters (D-c) of 3 mm, 8 mm and 5 mm, respectively has been successfully fabricated by copper mold casting. Strikingly, a plastic strain of 11.6% is achieved in the Zr20Ti20Hf20Cu20Be20 metallic glass. The dynamic fragility the Zr20Ti20Hf20Cu20Be20 alloy is determined from calorimetric measurements. The excellent plasticity is explained to be attributed to relatively higher fragility. (C) 2017 The Authors. Published by Elsevier B.V.
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