期刊
JOURNAL OF ALLOYS AND COMPOUNDS
卷 698, 期 -, 页码 501-509出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2016.12.154
关键词
High entropy alloy; Plasticity mechanisms; Cryogenic temperature
资金
- Ministry of Education and Science of Ukraine [M/80-2015, M/28-2016]
Several high entropy alloys CoCrFeNiMnVx (x = 0, 0.25, 0.5, 0.75) with different content of the inter-metallic sigma phase are studied in uniaxial compression in temperature range 4.2-300 K. Peculiarities of stress-strain curves, stages of strain hardening, temperature dependences of the yield strength and the strain rate sensitivity are registered and analyzed considering dislocation sliding as main deformation mechanism in matrix fcc phase. Influence of sigma phase particles, deformation twins and stacking faults on the deformation behavior of the CoCrFeNiMnVx alloys is discussed. (C) 2016 Elsevier B.V. All rights reserved.
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