Enhancing the Yield Strength of Casting Eutectic High-Entropy Alloys via Coherent Precipitates

被引：0

作者：

Xin Liu

Zhongsheng Yang

Dingcong Cui

Qingfeng Wu

Zhijun Wang

Junjie Li

Jincheng Wang

Feng He

机构：

[1] Northwestern Polytechnical University,State Key Laboratory of Solidification Processing

[2] Research & Development Institute of Northwestern Polytechnical University in Shenzhen,Collaborative Innovation Center of Northwestern

[3] Polytechnical University,undefined

来源：

Metallurgical and Materials Transactions A | 2023年 / 54卷

关键词：

D O I：

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学科分类号：

摘要：

Eutectic high-entropy alloys (EHEAs) have shown good as-cast tensile strength and ductility due to the combination of soft and hard phases. However, the yield strengths of casting EHEAs are less competitive. We here induced precipitation hardening to overcome the above challenge in the casting Ni44Co10Cr12Fe15Al17W2 EHEA. L12 and BCC dual-coherent phases precipitate from the FCC/B2 eutectics of Ni44Co10Cr12Fe15Al17W2, leading to an excellent yield strength of 805 ± 45 MPa with uniform elongation of 17.7 ± 0.9 pct.

引用

页码：4620 / 4624

页数：4

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