IMR OpenIR
Anisotropic corrosion behavior of hot-rolled Mg-8 wt.%Li alloy
Wang, Baojie1,4; Xu, Kai1; Xu, Daokui2; Cai, Xiang3; Qiao, Yanxin3; Sheng, Liyuan4
Corresponding AuthorXu, Daokui(dkxu@imr.ac.cn) ; Sheng, Liyuan(lysheng@yeah.net)
2020-09-15
Source PublicationJOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
ISSN1005-0302
Volume53Pages:102-111
AbstractBy performing the immersion, hydrogen evolution and electrochemical corrosion testing in a 0.1 mol/L NaCl solution, the corrosion performance of differently oriented samples cut from an as-rolled Mg-8 wt.%Li alloy plate has been investigated and compared. It demonstrated that obvious anisotropy in corrosion resistance existed between the sample surfaces with different orientations. Among them, the corrosion rate of "ND" (the normal direction) samples with their surfaces perpendicular to the normal direction of the plate was the highest. The corrosion rate of "TD" (the transverse direction) samples with their surfaces perpendicular to the transverse direction of the plate took the second place. For the "RD" (the rolling direction) samples with their surfaces perpendicular to the rolling direction of the plate, they had the lowest corrosion rate. For all the samples, their corrosion performance and the pitting severity were mainly ascribed to the crystallographic texture of alpha-Mg matrix phases because the formed surface films on beta-Li phases could provide good protection to the substrate. For the "ND" and "TD" samples, the exposed surfaces were composed of {0002}, {10 (1) over bar 0} and {11 (2) over bar 0} planes of alpha-Mg phases and subsequently resulted in their severe corrosion attack due to the corrosion couples between basal and prism planes. Since the crystallographic planes of exposed alpha-Mg phases on the surfaces of "RD" samples were mainly {10 (1) over bar 0} and {11 (2) over bar 0} prism planes, the pitting severity was the weakest. (C) 2020 Published by Elsevier Ltd on behalf of The editorial office of Journal of Materials Science & Technology.
KeywordMg-Li alloys Texture Anisotropic corrosion Pitting Crystallographic plane
Funding OrganizationNational Key Research and Development Program of China ; Strategic New Industry Development Special Foundation of Shenzhen ; National Natural Science Foundation of China ; Doctor Startup Fund of Natural Science Foundation Program of Liaoning Province ; funds of International Joint Laboratory for Light Alloys, Liaoning BaiQianWan Talents Program ; Domain Foundation of Equipment Advance Research of 13th Five-year Plan ; Innovation Fund of Institute of Metal Research (IMR), Chinese Academy of Sciences (CAS) ; National Basic Research Program of China (973 Program)
DOI10.1016/j.jmst.2020.04.029
Indexed BySCI
Language英语
Funding ProjectNational Key Research and Development Program of China[2017YFB0702001] ; National Key Research and Development Program of China[2016YFB0301105] ; Strategic New Industry Development Special Foundation of Shenzhen[JCYJ20170306141749970] ; National Natural Science Foundation of China[51871211] ; National Natural Science Foundation of China[51701129] ; Doctor Startup Fund of Natural Science Foundation Program of Liaoning Province[2019-BS-200] ; funds of International Joint Laboratory for Light Alloys, Liaoning BaiQianWan Talents Program ; Domain Foundation of Equipment Advance Research of 13th Five-year Plan[61409220118] ; Innovation Fund of Institute of Metal Research (IMR), Chinese Academy of Sciences (CAS) ; National Basic Research Program of China (973 Program)[2013CB632205]
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000545308600013
PublisherJOURNAL MATER SCI TECHNOL
Citation statistics
Cited Times:6[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/139764
Collection中国科学院金属研究所
Corresponding AuthorXu, Daokui; Sheng, Liyuan
Affiliation1.Shenyang Ligong Univ, Sch Environm & Chem Engn, Shenyang 110159, Peoples R China
2.Chinese Acad Sci, Inst Met Res, Key Lab Nucl Mat & Safety Assessment, Shenyang 110016, Peoples R China
3.Jiangsu Univ Sci & Technol, Sch Mat Sci & Engn, Zhenjiang 212003, Jiangsu, Peoples R China
4.Peking Univ, Shenzhen Inst, Shenzhen Key Lab Human Tissue Regenerate & Repair, Shenzhen 518057, Peoples R China
Recommended Citation
GB/T 7714
Wang, Baojie,Xu, Kai,Xu, Daokui,et al. Anisotropic corrosion behavior of hot-rolled Mg-8 wt.%Li alloy[J]. JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,2020,53:102-111.
APA Wang, Baojie,Xu, Kai,Xu, Daokui,Cai, Xiang,Qiao, Yanxin,&Sheng, Liyuan.(2020).Anisotropic corrosion behavior of hot-rolled Mg-8 wt.%Li alloy.JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,53,102-111.
MLA Wang, Baojie,et al."Anisotropic corrosion behavior of hot-rolled Mg-8 wt.%Li alloy".JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY 53(2020):102-111.
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