Microstructure and mechanical properties of CrFeNiBx eutectic high entropy alloys
文献类型：期刊论文
| 作者 | Lei, Haofeng2; Ye, Xicong2,3; Feng, Jiaxing2; Chen, Junchao2; Diao, Zhongheng2; Fang, Dong2,3; Li, Bo2,3; Zhao, Guangwei2,3; Liu, Renci1 |
| 刊名 | MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
 |
| 出版日期 | 2023-11-06 |
| 卷号 | 887页码:10 |
| 关键词 | High entropy alloys Microstructure Eutectic structure Mechanical properties Boride phase |
| ISSN号 | 0921-5093 |
| DOI | 10.1016/j.msea.2023.145741 |
| 通讯作者 | Ye, Xicong(yexc@ctgu.edu.cn) ; Fang, Dong(hill988@163.com) ; Liu, Renci(rcliu@imr.ac.cn) |
| 英文摘要 | A series of low-cost CrFeNiBx (x = 0, 0.05, 0.1, 0.15, 0.2, 0.25, and 0.3) High Entropy Alloys (HEAs) without the Co element were proposed by vacuum arc melting. The study aimed to investigate the effect of boron (B) content on the microstructure evolution, phase formation regulation, and compression properties. The alloys were investigated by Scanning Electron Microscopy (SEM), X-Ray Diffraction (XRD) and Transmission Electron Microscopy (TEM). The results show that with the addition of B content, the microstructure of the CrFeNiBx alloys transforms from a single-phase face-centered cubic structure to a biphasic structure consisting of Face-Centered Cubic (FCC) + irregular lamellar boride. Furthermore, the mechanical properties of alloys exhibit an increase in strength and hardness, accompanied by a decrease in compressibility. Specifically, the CrFeNiB0.25 alloy exhibited a fully eutectic structure consisting of irregular lamellar FCC + boride phases. It possesses exceptional mechanical properties, such as a yield strength of 973 MPa, compression over 80% without fracturing, and a hardness of 370 HV. The predicted phase judgment range of the high-entropy alloy containing B is as follows: when delta >= 3.48% and Delta H-mix <= -6.03 kJ/mol, the boride phase appears in the solid solution phase, and when r(m)/r(q) < 0.711, the microstructures are composed of FCC + boride phases. |
| 资助项目 | National Natural Science Foundation of China[51604161] ; Major Technological Innovation Project of Hubei Science and Technology Department[2019AAA164] |
| WOS研究方向 | Science & Technology - Other Topics ; Materials Science ; Metallurgy & Metallurgical Engineering |
| 语种 | 英语 |
| WOS记录号 | WOS:001107247500001 |
| 出版者 | ELSEVIER SCIENCE SA |
| 资助机构 | National Natural Science Foundation of China ; Major Technological Innovation Project of Hubei Science and Technology Department |
| 源URL | [http://ir.imr.ac.cn/handle/321006/177394]  |
| 专题 | 金属研究所_中国科学院金属研究所 |
| 通讯作者 | Ye, Xicong; Fang, Dong; Liu, Renci |
| 作者单位 | 1.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China 2.China Three Gorges Univ, Coll Mech & Power Engn, Yichang 443002, Peoples R China 3.China Three Gorges Univ, Hubei Engn Res Ctr Graphite Addit Mfg Technol & Eq, Yichang 443002, Peoples R China |
| 推荐引用方式 GB/T 7714 | Lei, Haofeng,Ye, Xicong,Feng, Jiaxing,et al. Microstructure and mechanical properties of CrFeNiBx eutectic high entropy alloys[J]. MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,2023,887:10. |
| APA | Lei, Haofeng.,Ye, Xicong.,Feng, Jiaxing.,Chen, Junchao.,Diao, Zhongheng.,...&Liu, Renci.(2023).Microstructure and mechanical properties of CrFeNiBx eutectic high entropy alloys.MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,887,10. |
| MLA | Lei, Haofeng,et al."Microstructure and mechanical properties of CrFeNiBx eutectic high entropy alloys".MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING 887(2023):10. |
入库方式： OAI收割
来源：金属研究所
浏览0
下载0
收藏0
其他版本
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。