Variation of microstructures and properties of Co0.2CrAlNi high entropy alloy doped Si
文献类型：期刊论文
| 作者 | Tan, Mingtian1,2,3,4; Meng, Long1,2,3; Lin, Chun2,3; Ke, Lingsheng2,3; Liu, Yudong1; Qu, Jingkui1; Qi, Tao1,2,3,4 |
| 刊名 | JOURNAL OF ALLOYS AND COMPOUNDS
 |
| 出版日期 | 2022-12-15 |
| 卷号 | 927页码:10 |
| ISSN号 | 0925-8388 |
| 关键词 | High entropy alloy Doped Si Microstructure Hardness Corrosion resistance |
| DOI | 10.1016/j.jallcom.2022.167081 |
| 英文摘要 | The effects of Si on the microstructures and various properties of Co0.2CrAlSixNi (in mole ratio, x = 0, 0.1, 0.3, 0.5, and 0.7) multi-component high entropy alloys were investigated. Co0.2CrAlNi was selected as the matrix, and Si was doped as the reinforcement. Microstructure analysis revealed that the Co0.2CrAlSixNi high entropy alloys consisted of two body-centered cubic (BCC) phases, the Cr-rich phase and nano-scale Ni-Al phase. With the addition of Si, the new Cr3Si phase was precipitated, and the crystallite size decreased to some extent in the alloys. Hardness test indicated that the alloys had high hardness with the maximum value of 973 at x = 0.5. The crystallite size and Cr3Si phase content were two key factors significantly affecting the hardness of Co0.2CrAlSixNi HEAs. Electrochemical test results indicated that Si affected the formation of the passivation film, the corrosion potential of Co0.2CrAlSi0.1Ni was - 0.37 V and the self -corrosion current density was 1.15 x 10-6 A/cm2, respectively. The main contribution in which Si doping affected the corrosion resistance of HEA was reduced oxidized Cr3+ and Ni2+ on the alloy surface. This study is of great significance to develop light and hard engineering materials for practical applications.(c) 2022 Elsevier B.V. All rights reserved. |
| WOS关键词 | CORROSION BEHAVIOR ; THERMAL-STABILITY ; HARDNESS ; FILMS ; BULK ; AL |
| 资助项目 | National Natural Science Foundation of China[52004264] ; National Key Research and Development Program of China[2021YFC1910502] ; China Postdotoral Science Foundation[2022M711989] ; National Key R&D Program during the 14th Five- year Plan Period[2021YFB3500801] ; Chinese Academy of Sciences[ZDRW-CN- 2020-1] ; Chinese Academy of Sciences[ZDRW-CN-2021-3] ; Chinese Academy of Sciences[ZDRW-CN-2021-3- 3] ; S&T Program of Hebei[205A1001D] ; Sichuan Science and Technology Program[2022YFSY0019] ; Ganjiang Innovation Academy ; Double Thousand Plan of Jiangxi Province[jxsq2020105012] |
| WOS研究方向 | Chemistry ; Materials Science ; Metallurgy & Metallurgical Engineering |
| 语种 | 英语 |
| 出版者 | ELSEVIER SCIENCE SA |
| WOS记录号 | WOS:000859435300001 |
| 资助机构 | National Natural Science Foundation of China ; National Key Research and Development Program of China ; China Postdotoral Science Foundation ; National Key R&D Program during the 14th Five- year Plan Period ; Chinese Academy of Sciences ; S&T Program of Hebei ; Sichuan Science and Technology Program ; Ganjiang Innovation Academy ; Double Thousand Plan of Jiangxi Province |
| 源URL | [http://ir.ipe.ac.cn/handle/122111/54884]  |
| 专题 | 中国科学院过程工程研究所 |
| 通讯作者 | Meng, Long; Qi, Tao |
| 作者单位 | 1.Chinese Acad Sci, Inst Proc Engn, Beijing 100190, Peoples R China 2.Chinese Acad Sci, Ganjiang Innovat Acad, Ganzhou 341000, Peoples R China 3.Jiangxi Prov Key Lab Cleaner Prod Rare Earths, Ganzhou 341000, Peoples R China 4.Zhengzhou Univ, Henan Inst Adv Technol, Zhengzhou 450003, Peoples R China |
| 推荐引用方式 GB/T 7714 | Tan, Mingtian,Meng, Long,Lin, Chun,et al. Variation of microstructures and properties of Co0.2CrAlNi high entropy alloy doped Si[J]. JOURNAL OF ALLOYS AND COMPOUNDS,2022,927:10. |
| APA | Tan, Mingtian.,Meng, Long.,Lin, Chun.,Ke, Lingsheng.,Liu, Yudong.,...&Qi, Tao.(2022).Variation of microstructures and properties of Co0.2CrAlNi high entropy alloy doped Si.JOURNAL OF ALLOYS AND COMPOUNDS,927,10. |
| MLA | Tan, Mingtian,et al."Variation of microstructures and properties of Co0.2CrAlNi high entropy alloy doped Si".JOURNAL OF ALLOYS AND COMPOUNDS 927(2022):10. |
入库方式： OAI收割
来源：过程工程研究所
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