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Organizational Evolution during Performance Meritocracy of AlSi0.5CrxCo0.2Ni Lightweight High Entropy Alloys

文献类型：期刊论文

作者Tan, Mingtian1,2,3,4; Meng, Long2,3,4; Fang, Sheng3,4; Lin, Chun3,4; Ke, Lingsheng3,4; Yu, Zhihui2; Qu, Jingkui2; Qi, Tao1,2,3,4
刊名CRYSTALS
出版日期2022-12-01
卷号12期号:12页码:13
关键词lightweight high entropy alloy Cr microstructures hardness corrosion resistance
DOI10.3390/cryst12121828
英文摘要The Al-Si-Cr-Co-Ni High Entropy Alloy (HEA) with low density (about 5.4 g/cm(3)) and excellent performance had significant potential in the lightweight engineering material field. To further research and optimize the Al-Si-Cr-Co-Ni system HEA, the influences of element Cr on the microstructures and performances of lightweight AlSi0.5CrxCo0.2Ni (in mole ratio, x = 1.0, 1.2, 1.4, 1.6, and 1.8) HEAs were investigated. The experiment results manifested that AlSi0.5CrxCo0.2Ni HEAs were composed of A2 (Cr-rich), B2 (Ni-Al), and Cr3Si phases, indicating that the addition of Cr did not result in the formation of a new phase. However, ample Cr increased the Cr3Si phase composition, further ensuring the high hardness (average HV 981.2) of HEAs. Electrochemical tests demonstrated that HEAs with elevated Cr3Si and A2 phases afforded greater corrosion resistance, and the improvement in corrosion was more pronounced when x > 1.6. This work is crucial in the development of lightweight engineering HEAs, which are of tremendous practical utility in the fields of cutting tools, hard coating, etc.
WOS关键词CORROSION BEHAVIOR ; PHASE-FORMATION ; HARDNESS ; MICROSTRUCTURES ; FILMS
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] ; Key Research Program of the Chinese Academy of Sciences[ZDRW-CN-2021-3-3] ; S&T Program of Hebei[205A1001D] ; Sichuan Science and Technology Program[2022YFSY0019] ; Ganjiang Innovation Academy, Chinese Academy of Sciences, and Double Thousand Plan of Jiangxi Province[jxsq2020105012] ; Program of SuQuZhiGuang
WOS研究方向Crystallography ; Materials Science
语种英语
WOS记录号WOS:000902277000001
出版者MDPI
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 ; Key Research Program of the Chinese Academy of Sciences ; S&T Program of Hebei ; Sichuan Science and Technology Program ; Ganjiang Innovation Academy, Chinese Academy of Sciences, and Double Thousand Plan of Jiangxi Province ; Program of SuQuZhiGuang
源URL[http://ir.ipe.ac.cn/handle/122111/56263]  
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.Zhengzhou Univ, Henan Inst Adv Technol, Zhengzhou 450003, Peoples R China
2.Chinese Acad Sci, Inst Proc Engn, Beijing 100190, Peoples R China
3.Chinese Acad Sci, Ganjiang Innovat Acad, Ganzhou 341000, Peoples R China
4.Jiangxi Prov Key Lab Cleaner Prod Rare Earths, Ganzhou 341000, Peoples R China
推荐引用方式
GB/T 7714		 Tan, Mingtian,Meng, Long,Fang, Sheng,et al. Organizational Evolution during Performance Meritocracy of AlSi0.5CrxCo0.2Ni Lightweight High Entropy Alloys[J]. CRYSTALS,2022,12(12):13.
APA Tan, Mingtian.,Meng, Long.,Fang, Sheng.,Lin, Chun.,Ke, Lingsheng.,...&Qi, Tao.(2022).Organizational Evolution during Performance Meritocracy of AlSi0.5CrxCo0.2Ni Lightweight High Entropy Alloys.CRYSTALS,12(12),13.
MLA Tan, Mingtian,et al."Organizational Evolution during Performance Meritocracy of AlSi0.5CrxCo0.2Ni Lightweight High Entropy Alloys".CRYSTALS 12.12(2022):13.

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来源：过程工程研究所

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