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Effect of grain structure on the stress corrosion cracking (SCC) behavior of an as-extruded Mg-Zn-Zr alloy
Wang, B. J.1; Xu, D. K.2,3; Sun, J.1; Han, En-Hou2,3
Corresponding AuthorXu, D. K.(dkxu@imr.ac.cn)
2019-08-15
Source PublicationCORROSION SCIENCE
ISSN0010-938X
Volume157Pages:347-356
AbstractThrough investigating and comparing the microstructure and stress corrosion cracking (SCC) behavior of an as-extruded Mg-6.2Zn-0.8Zr (in wt.%) alloy before and after solid solution treatment (T4), the effects of grain structure on the SCC resistance and cracking modes have been disclosed. Slow strain rate testing (SSRT) results demonstrated that the SCC resistance decreased with the increased fraction of coarse grains. Failure analysis indicated that for the finely grain-structured samples, the cracking mode was dominated by the intergranular cracking. For the "bi-modal" grain-structured samples, the cracking mode was intergranular/transgranular mixed type. For the coarsely grain-structured samples, the cracking mode was transgranular.
KeywordMg alloy Cracking mode Grain structure SCC resistance Fracture
Funding OrganizationNational Key Research and Development Program of China ; National Natural Science Foundation of China Projects ; funds of International Joint Laboratory for Light Alloys ; Liaoning BaiQianWan Talents Program ; Strategic New Industry Development Special Foundation of Shenzhen ; Innovation Fund of Institute of Metal Research (IMR), Chinese Academy of Sciences (CAS)
DOI10.1016/j.corsci.2019.06.017
Indexed BySCI
Language英语
Funding ProjectNational Key Research and Development Program of China[2017YFB0702001] ; National Natural Science Foundation of China Projects[51871211] ; National Natural Science Foundation of China Projects[51701129] ; funds of International Joint Laboratory for Light Alloys ; Liaoning BaiQianWan Talents Program ; Strategic New Industry Development Special Foundation of Shenzhen[JCYJ20170306141749970] ; Innovation Fund of Institute of Metal Research (IMR), Chinese Academy of Sciences (CAS)
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000480374200033
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Cited Times:27[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/135006
Collection中国科学院金属研究所
Corresponding AuthorXu, D. K.
Affiliation1.Shenyang Ligong Univ, Sch Environm & Chem Engn, Shenyang 110159, Liaoning, Peoples R China
2.Chinese Acad Sci, Key Lab Nucl Mat & Safety Assessment, Inst Met Res, 62 Wencui Rd, Shenyang 110016, Liaoning, Peoples R China
3.Chinese Acad Sci, Environm Corros Ctr, Inst Met Res, Shenyang 110016, Liaoning, Peoples R China
Recommended Citation
GB/T 7714
Wang, B. J.,Xu, D. K.,Sun, J.,et al. Effect of grain structure on the stress corrosion cracking (SCC) behavior of an as-extruded Mg-Zn-Zr alloy[J]. CORROSION SCIENCE,2019,157:347-356.
APA Wang, B. J.,Xu, D. K.,Sun, J.,&Han, En-Hou.(2019).Effect of grain structure on the stress corrosion cracking (SCC) behavior of an as-extruded Mg-Zn-Zr alloy.CORROSION SCIENCE,157,347-356.
MLA Wang, B. J.,et al."Effect of grain structure on the stress corrosion cracking (SCC) behavior of an as-extruded Mg-Zn-Zr alloy".CORROSION SCIENCE 157(2019):347-356.
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