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1 CrNbTiVAl x 难熔高熵合金不同区域的EDS结果 (atomic fraciton / %)

Table 1 EDS results in different regions of the CrNbTiVAl x RHEAs

Alloy Region Cr Nb Ti V Al Al0.25 Nominal 23.53 23.53 23.53 23.53 5.88 bcc 27.32 27.24 10.55 29.00 5.89 Laves 30.97 25.19 11.33 25.96 6.54 α-Ti 00.23 05.40 90.29 03.96 0.12 Al0.50 Nominal 22.22 22.22 22.22 22.22 11.12 bcc 33.29 22.58 16.14 18.76 09.23 Laves 33.41 23.64 14.50 19.62 08.84 α-Ti 00.45 04.67 90.96 03.48 00.13 Al0.75 Nominal 21.05 21.05 21.05 21.05 15.80 bcc 21.22 22.99 17.40 23.48 14.91 Laves 30.44 20.28 16.65 22.02 10.62 α-Ti 00.45 05.39 89.30 04.53 00.34 Al1.0 Nominal 20 20 20 20 20 bcc 20.52 19.62 19.84 20.08 19.06 Laves 31.27 18.33 17.63 20.38 12.39 α-Ti 00.11 03.46 93.10 03.04 00.29