CoCrFeNiMo0.2高熵合金的不完全再结晶组织与力学性能

曹育菡,王理林,吴庆峰,何峰,张忠明,王志军

Partially Recrystallized Structure and Mechanical Properties of CoCrFeNiMo0.2 High-Entropy Alloy

Yuhan CAO,Lilin WANG,Qingfeng WU,Feng HE,Zhongming ZHANG,Zhijun WANG

表1 CoCrFeNiMo0.2合金的初始试样、RTR35%和CTR35%试样及其经800 ℃、30 min退火处理试样的屈服强度(σy)、抗拉强度(σb)以及伸长率(δ)

Table 1 Yield strengths (σy), ultimate tensile strengths (σb) and elongations (δ) for CoCrFeNiMo0.2high-entropy alloy samples of initial condition, RTR35%, CTR35% and their heat treated samples

Sample σy / MPa σb / MPa δ / % Initial condition 248.2 623.1 84.7 RTR35% 886.6 976.4 12.8 CTR35% 937.4 1018.3 10.7 RTR35%+800 ℃, 30 min 545.9 813.5 36.1 CTR35%+800 ℃, 30 min 539.3 829.9 46.8