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Residual stress and precipitation of Mg-5Zn-3.5Sn-1Mn-0.5Ea-0.5Cu alloy with different quenching rates
Wang, Cong1,2; Luo, Tianjiao1; Liu, Yunteng3; Huang, Qiuyan1; Yang, Yuansheng1
Corresponding AuthorYang, Yuansheng(ysyang@imr.ac.cn)
2021-03-15
Source PublicationJOURNAL OF MAGNESIUM AND ALLOYS
ISSN2213-9567
Volume9Issue:2Pages:604-612
AbstractThe effect of the quenching rate after solution treatment on the residual stress and precipitation behavior of a high strength Mg-5Zn-3.5Sn1Mn-0.5Ca-0.5Cu plate is studied. The simulation results show decreasing temperature gradient in the plate with decreasing quenching rate, which leads to weakened inhomogeneous plastic deformation and decreased residual stress. No dynamic precipitation on the grain boundary happens after either cold water cooling or air cooling, however, air cooling leads to dynamic precipitation of Mg-Zn phase on Mn particles around which a low-density precipitate zone develops after aging treatment. Moreover, the fine and densely distributed Mg-Zn precipitates observed after aging treatment of the cold water cooled alloy are replaced by coarse precipitates with low density for the air cooled alloy. Both the low-density precipitate zone near Mn particles and the coarsening of precipitates are the source of the decrease in hardness and tensile properties of the air cooled alloy. The residual stress drops faster than the hardness with decreasing quenching rate, which makes it possible to lower the residual stress without sacrificing too much age-hardening ability of the alloy. (C) 2021 Chongqing University. Publishing services provided by Elsevier B.V. on behalf of KeAi Communications Co. Ltd.
KeywordMg-5Zn-3.5Sn-1Mn-0.5Ca-0.5Cu alloy Solution treatment Quenching rate Residual stress Precipitation Age-hardening
Funding OrganizationNational Key Research and Development Program of China ; National Key Research and Development Plan
DOI10.1016/j.jma.2020.02.021
Indexed BySCI
Languageen
Funding ProjectNational Key Research and Development Program of China[2016YFB0301105] ; National Key Research and Development Plan[2017YFB0103904]
WOS Research AreaMetallurgy & Metallurgical Engineering
WOS SubjectMetallurgy & Metallurgical Engineering
WOS IDWOS:000640516900019
PublisherKEAI PUBLISHING LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/161561
Collection中国科学院金属研究所
Corresponding AuthorYang, Yuansheng
Affiliation1.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China
2.Northeastern Univ, Sch Mat Sci & Engn, Shenyang 110819, Peoples R China
3.Shandong Acad Sci, Adv Mat Inst, Shandong Key Lab High Strength Lightweight Metall, Jinan 250014, Shandong, Peoples R China
Recommended Citation
GB/T 7714
Wang, Cong,Luo, Tianjiao,Liu, Yunteng,et al. Residual stress and precipitation of Mg-5Zn-3.5Sn-1Mn-0.5Ea-0.5Cu alloy with different quenching rates[J]. JOURNAL OF MAGNESIUM AND ALLOYS,2021,9(2):604-612.
APA Wang, Cong,Luo, Tianjiao,Liu, Yunteng,Huang, Qiuyan,&Yang, Yuansheng.(2021).Residual stress and precipitation of Mg-5Zn-3.5Sn-1Mn-0.5Ea-0.5Cu alloy with different quenching rates.JOURNAL OF MAGNESIUM AND ALLOYS,9(2),604-612.
MLA Wang, Cong,et al."Residual stress and precipitation of Mg-5Zn-3.5Sn-1Mn-0.5Ea-0.5Cu alloy with different quenching rates".JOURNAL OF MAGNESIUM AND ALLOYS 9.2(2021):604-612.
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