热压烧结(FeNiCoCr)100-x Al x (x=05)高熵合金的微观组织及力学性能
王沛锦, 艾桃桃, 廖仲尼, 赵堃, 李文虎, 寇领江, 赵中国, 邹祥宇

Microstructure and Mechanical Properties of High-entropy Alloys (FeNiCoCr)100-x Al x (x=0, 5) Prepared by Hot-pressing Sintering
WANG Peijin, AI Taotao, LIAO Zhongni, ZHAO Kun, LI Wenhu, KOU Lingjiang, ZHAO Zhongguo, ZOU Xiangyu
表1 热压烧结和电弧熔炼制备FeNiCoCr合金微观组织和力学性能的差异
Table 1 Differences in microstructure and mechanical properties of FeNiCoCr alloy prepared by hot pressing sintering and arc melting
Preparation methodPhase composition

Grain size

/μm

Compression engineering yield strength

/MPa

Vickers hardness (HV)
Hot-pressing sintering (in this study)FCC matrix+BCC phase precipitation~3534252
Arc melting [40]Single FCC phase>400137-
Arc melting+Supercooled solidification [40]FCC matrix+BCC phase precipitation5~10455-
Arc melting [41]Single FCC phase-145141
Arc melting [42]Single FCC phase∼100156156
Arc melting [43]Single FCC phase-155133