IMECH-IR  > 非线性力学国家重点实验室
Mechanical, corrosion and magnetic behavior of a CoFeMn1.2NiGa0.8 high entropy alloy
Sun Xiaoming1; Du Lingzhong1,2; Lan Hao1,2; Cui Jingyi1; Wang Liang3,4; Li Runguang4; Liu Zhiang5; Liu JP(刘俊鹏)6; Zhang Weigang1
Corresponding AuthorDu, Lingzhong(lzdu@ipe.ac.cn) ; Lan, Hao(hlan@ipe.ac.cn)
Source PublicationJOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
2021-03-20
Volume73Pages:139-144
ISSN1005-0302
AbstractIn this study, a magnetic high entropy alloy (HEA) of CoFeMn1.2NiGa0.8 was designed and prepared by arc melting in order to investigate its mechanical, corrosion and magnetic behavior. The results show that the alloy mainly possesses body-centered cubic (BCC) phase and face-centered cubic (FCC) phase. A high compressive strength of 1450 MPa, a strain of 18.5 % and a relatively low yield strength of 303 MPa in as-cast condition at room temperature can be achieved in the present alloy. In-situ high-energy X-ray diffraction technique was employed to reveal the deformation mechanism of CoFeMn1.2NiGa0.8 under uniaxial compression and the results show that the competition between BCC phase and FCC phase plays a significant role during the compressive process. The corrosion behavior of CoFeMn1.2NiGa0.8 was investigated in 3.5 wt% NaCl solution and it turned out that the alloy possessed good corrosion resistance. At last, the magnetic behavior of the CoFeMn1.2NiGa0.8 alloy was studied and it can present a high saturation magnetization of 94.5 emu/g and a coercivity of 26.4 Oe at 4 K. This work indicates that the present CoFeMn1.2NiGa0.8 HEA has promising applications as future magnetic functional materials. (C) 2021 Published by Elsevier Ltd on behalf of The editorial office of Journal of Materials Science & Technology.
KeywordHigh entropy alloys High-energy X-ray diffraction Compressive property Corrosion resistance Magnetic behavior
DOI10.1016/j.jmst.2020.08.062
Indexed BySCI ; EI
Language英语
WOS IDWOS:000636043900016
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
Funding ProjectNational Key Research and Development Program of China[2018YFC1902401] ; National Natural Science Foundation of China[51671180] ; Chinese Academy of Sciences[ZDRWCN-2019-01] ; Projects of the Innovation Academy for Green Manufacture, Chinese Academy of Sciences[IAGM 2020DB04]
Funding OrganizationNational Key Research and Development Program of China ; National Natural Science Foundation of China ; Chinese Academy of Sciences ; Projects of the Innovation Academy for Green Manufacture, Chinese Academy of Sciences
Classification一类
Ranking3+
ContributorDu, Lingzhong ; Lan, Hao
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/86417
Collection非线性力学国家重点实验室
Affiliation1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China;
2.Chinese Acad Sci, Innovat Acad Green Manufacture, Beijing 100190, Peoples R China;
3.Beijing Inst Technol, Sch Mat Sci & Engn, Beijing 100081, Peoples R China;
4.Argonne Natl Lab, Xray Sci Div, 9700 S Cass Ave, Argonne, IL 60439 USA;
5.Qufu Normal Univ, Expt Teaching & Equipment Management Ctr, Qufu 273165, Shandong, Peoples R China;
6.Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Sun Xiaoming,Du Lingzhong,Lan Hao,et al. Mechanical, corrosion and magnetic behavior of a CoFeMn1.2NiGa0.8 high entropy alloy[J]. JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,2021,73:139-144.
APA Sun Xiaoming.,Du Lingzhong.,Lan Hao.,Cui Jingyi.,Wang Liang.,...&Zhang Weigang.(2021).Mechanical, corrosion and magnetic behavior of a CoFeMn1.2NiGa0.8 high entropy alloy.JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,73,139-144.
MLA Sun Xiaoming,et al."Mechanical, corrosion and magnetic behavior of a CoFeMn1.2NiGa0.8 high entropy alloy".JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY 73(2021):139-144.
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