高熵合金的低温塑性变形机制及强韧化研究进展

刘俊鹏, 陈浩, 张弛, 杨志刚, 张勇, 戴兰宏

Progress of Cryogenic Deformation and Strengthening-Toughening Mechanisms of High-Entropy Alloys

LIU Junpeng, CHEN Hao, ZHANG Chi, YANG Zhigang, ZHANG Yong, DAI Lanhong

图15 不同类型高熵合金的低温强度-延伸率Ashby图

Fig.15 Ashby maps showing the yield strength (a) and ultimate tensile strength (b) vs elongation to failure for different HEAs at 77 K (CoCr-FeNiMn alloy[4,9,16,50,51,77,81,82]; PS—precipitate-strengthening[11,48,67,68,80,91,97]; TRIP—phase transformation induced plasticity[42,63,69,70,86,88-90,92-95]; eutectic HEA[99,100]; TiZrHfNbTa HEA[41]; HEA-wire[8,49,102]; CoCrNi medium-entropy alloy (MEA)[7,10,40,45,53,59]; SP— single-phase[61,71,72,75,79]; DP—dual-phase[73,84,96])