| Effects of Sc addition on microstructure, phase evolution and mechanical properties of Al0.2CoCrFeNi high-entropy alloys | |
Sun, Yuanwei1; Wang ZY(王梓熠)1; Zhao, Xiangjin1; Liu, Zhongli1; Cao FH(曹富华)2
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| 通讯作者 | Sun, Yuan-wei(sunywytu@163.com) ; Zhao, Xiang-jin(zhaoxjworld@163.com) |
| 发表期刊 | TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA
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| 2023-12-01 | |
| 卷号 | 33期号:12页码:3756-3769 |
| ISSN | 1003-6326 |
| 摘要 | l(0.2)CoCrFeNiSc(x) (x=0, 0.1, 0.2 and 0.3, molar fraction) alloys were prepared by arc melting. The effects of Sc addition on the microstructure, phase evolution and mechanical properties of Al0.2CoCrFeNiScx alloys were investigated. The results showed that Sc could refine grain size, change phase type and improve mechanical properties. The grain size of Al0.2CoCrFeNiSc0.3 alloy (8.5 mu m) was reduced by approximately 50.6% compared to that of Al0.2CoCrFeNiSc0.1 alloy (17.2 mu m). The crystal structure evolved from a single FCC phase to a mixed phase including two types of FCC phases and one type of BCC phase. The FCC phase mainly appeared in the regions of (Co, Cr, Fe)- rich dendrites and (Ni, Sc)-rich interdendrites; while the BCC phase was mainly located in the region of (Al, Ni)-rich interdendrites. The yield strength increased from 167 to 717 MPa as the x value in Al0.2CoCrFeNiScx alloy increased from 0 to 0.3, improved by 329.3%, which could be attributed to grain size strengthening, solid solution strengthening and phase evolution. |
| 关键词 | high-entropy alloy phase evolution microstructure grain refinement yield strength |
| DOI | 10.1016/S1003-6326(23)66368 |
| 收录类别 | SCI ; EI ; CSCD |
| 语种 | 英语 |
| WOS记录号 | WOS:001175303400001 |
| 关键词[WOS] | TENSILE PROPERTIES ; WEAR-RESISTANCE ; AL ADDITION ; HALL-PETCH ; SCANDIUM ; FCC ; CORROSION ; BEHAVIOR ; RECRYSTALLIZATION ; STABILITY |
| WOS研究方向 | Metallurgy & Metallurgical Engineering |
| WOS类目 | Metallurgy & Metallurgical Engineering |
| 资助项目 | Natural Science Foundation of Shandong Province, China[ZR2021QE136] |
| 项目资助者 | Natural Science Foundation of Shandong Province, China |
| 论文分区 | 二类/Q1 |
| 力学所作者排名 | 3+ |
| RpAuthor | Sun, Yuan-wei ; Zhao, Xiang-jin |
| 引用统计 | |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://dspace.imech.ac.cn/handle/311007/94511 |
| 专题 | 非线性力学国家重点实验室 |
| 作者单位 | 1.Yantai Univ, Sch Nucl Equipment & Nucl Engn, Yantai 264005, Peoples R China; 2.Chinese Acad Sci, Inst Mech, Beijing 100190, Peoples R China |
| 推荐引用方式 GB/T 7714 | Sun, Yuanwei,Wang ZY,Zhao, Xiangjin,et al. Effects of Sc addition on microstructure, phase evolution and mechanical properties of Al0.2CoCrFeNi high-entropy alloys[J]. TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA,2023,33,12,:3756-3769. |
| APA | Sun, Yuanwei,王梓熠,Zhao, Xiangjin,Liu, Zhongli,&曹富华.(2023).Effects of Sc addition on microstructure, phase evolution and mechanical properties of Al0.2CoCrFeNi high-entropy alloys.TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA,33(12),3756-3769. |
| MLA | Sun, Yuanwei,et al."Effects of Sc addition on microstructure, phase evolution and mechanical properties of Al0.2CoCrFeNi high-entropy alloys".TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA 33.12(2023):3756-3769. |
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| Jp2023Fa277.pdf（2543KB） | 期刊论文 | 出版稿 | 开放获取 | CC BY-NC-SA | 浏览 下载 | |
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