退火态CoFeNiCrMnBx高熵合金微观组织和力学性能

侯丽丽; 郭强; 要玉宏; 刘江南

退火态CoFeNiCrMnB_x高熵合金微观组织和力学性能

1. 陕西工业职业技术学院, 陕西咸阳 712000;
2. 西部超导材料科技股份有限公司, 陕西西安 710018;
3. 西安工业大学, 陕西西安 710021

详细信息

作者简介:
侯丽丽,女,1983年生,博士,讲师。E-mail:houlili1983@126.com

中图分类号: TG139
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出版历程
- 收稿日期: 2022-09-14
- 网络出版日期: 2023-05-05

Microstructure and Mechanical Properties of Annealed CoFeNiCrMnB_x High Entropy Alloy

1. Shaanxi Polytechnic Institute, Xianyang 712000, China;
2. Western Superconducting Technologies Co., Ltd., Xi'an 710018, China;
3. Xi'an Technological University, Xi'an 710021, China

摘要

摘要: 采用真空电弧熔炼炉制备了CoFeNiCrMnB_x高熵合金,并对其退火处理。结果表明:CoFeNiCrMnB_0.15和CoFeNiCrMnB_0.20合金经1 100 ℃×20 h退火后,枝晶间组织均为颗粒状Cr₂B相,且随着B含量的增加,颗粒状Cr₂B相也增多。CoFeNiCrMnB_0.20合金的屈服强度和抗拉强度分别为496 MPa和890 MPa,较铸态CoFeNiCrMn合金的分别提高了104.0%和79.4%。
- 高熵合金 /
- 退火 /
- 微观组织 /
- 力学性能
Abstract: CoFeNiCrMnB_x high entropy alloy is prepared by vacuum arc melting furnace and annealed. The results show that when the CoFeNiCrMnB_0.15 and CoFeNiCrMnB_0.20 alloys are annealed at 1 100 ℃ for 20 hours, their interdendritic structures are granular Cr₂B phase, and that the granular Cr₂B phase increases with the increase of B content. The yield strength and tensile strength of CoFeNiCrMnB_0.20 alloy are 496 MPa and 890 MPa, which are 104.0% and 79.4% higher than those of the as cast CoFeNiCrMn alloy.
- high entropy alloy /
- annealing /
- microstructure /
- mechanical property

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参考文献(10)

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