CrNbTiVAl x 难熔高熵合金的组织、力学性能和高温氧化行为

朱满, 张成, 许军锋, 坚增运, 惠增哲

Microstructure, Mechanical Properties, and High-Temperature Oxidation Behaviors of the CrNbTiVAl x Refractory High-Entropy Alloys

ZHU Man, ZHANG Cheng, XU Junfeng, JIAN Zengyun, XI Zengzhe

表5 CrNbTiVAl x 难熔高熵合金的典型热力学参数

Table 5 Calculated thermodynamic parameters in the CrNbTiVAl x RHEAs

Alloy ΔHmix / (kJ·mol-1) ΔSmix / (J·K-1·mol-1) Ω δ / % VEC ΔχA / % Al0.25 0-7.86 12.71 3.52 5.94 4.88 7.16 Al0.5 -10.67 13.15 2.60 5.81 4.77 7.13 Al0.75 -12.85 13.33 2.12 5.69 4.69 7.08 Al1.0 -14.56 13.38 1.83 5.57 4.60 7.03