Ultrahigh grain boundary strengthening ability of VCoNi medium entropy alloy
文献类型：期刊论文
| 作者 | Liu, Guo-Dong1,2; Luo, Xue-Mei2; Zou, Ji-Peng1,2; Zhang, Bin3; Zhang, Guang-Ping2 |
| 刊名 | MATERIALS CHARACTERIZATION
 |
| 出版日期 | 2023-12-01 |
| 卷号 | 206页码:12 |
| 关键词 | Medium-entropy alloy Grain boundary Strengthening ability Lattice friction stress Intrinsic stacking fault energy |
| ISSN号 | 1044-5803 |
| DOI | 10.1016/j.matchar.2023.113419 |
| 通讯作者 | Luo, Xue-Mei(xmluo@imr.ac.cn) ; Zhang, Guang-Ping(gpzhang@imr.ac.cn) |
| 英文摘要 | Tensile tests of VCoNi medium-entropy alloy with different grain sizes were conducted at 77 K, 194 K and 293 K. The results show that the grain boundary strengthening ability characterized by the Hall-Petch slope of the alloy increases with decreasing temperature and is evidently higher than that of FCC pure metals, Cu-Al alloys, and some common FCC high-entropy alloys/medium-entropy alloys at room temperature. A new model correlated to intrinsic stacking fault energy and lattice friction stress is derived to describe the high grain boundary strengthening ability. The high grain boundary strengthening ability and its temperature dependence of the VCoNi medium-entropy alloy are mainly attributed to the high lattice friction stress of the VCoNi alloy. The findings provide a possibility for designing the single-phase FCC medium-entropy alloy with ultra-high yield strength and considerable plasticity. |
| 资助项目 | National Natural Science Foundation of China (NSFC)[52171128] ; Fundamental Research Project of Shenyang National Laboratory for Materials Science[L2019R18] |
| WOS研究方向 | Materials Science ; Metallurgy & Metallurgical Engineering |
| 语种 | 英语 |
| WOS记录号 | WOS:001104208400001 |
| 出版者 | ELSEVIER SCIENCE INC |
| 资助机构 | National Natural Science Foundation of China (NSFC) ; Fundamental Research Project of Shenyang National Laboratory for Materials Science |
| 源URL | [http://ir.imr.ac.cn/handle/321006/177231]  |
| 专题 | 金属研究所_中国科学院金属研究所 |
| 通讯作者 | Luo, Xue-Mei; Zhang, Guang-Ping |
| 作者单位 | 1.Univ Sci & Technol China, Sch Mat Sci & Engn, Shenyang 110016, Peoples R China 2.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, 72 Wenhua Rd, Shenyang 110016, Peoples R China 3.Northeastern Univ, Sch Mat Sci & Engn, Key Lab Anisotropy & Texture Mat, Minist Educ, 3-11 Wenhua Rd, Shenyang 110819, Peoples R China |
| 推荐引用方式 GB/T 7714 | Liu, Guo-Dong,Luo, Xue-Mei,Zou, Ji-Peng,et al. Ultrahigh grain boundary strengthening ability of VCoNi medium entropy alloy[J]. MATERIALS CHARACTERIZATION,2023,206:12. |
| APA | Liu, Guo-Dong,Luo, Xue-Mei,Zou, Ji-Peng,Zhang, Bin,&Zhang, Guang-Ping.(2023).Ultrahigh grain boundary strengthening ability of VCoNi medium entropy alloy.MATERIALS CHARACTERIZATION,206,12. |
| MLA | Liu, Guo-Dong,et al."Ultrahigh grain boundary strengthening ability of VCoNi medium entropy alloy".MATERIALS CHARACTERIZATION 206(2023):12. |
入库方式： OAI收割
来源：金属研究所
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