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Cluster Hardening Effects on Twinning in Mg-Zn-Ca Alloys
Liu, Ruixue1; Wang, Jie1; Wang, Leyun1,2; Zeng, Xiaoqin1,2; Jin, Zhaohui3
Corresponding AuthorWang, Leyun(leyunwang@sjtu.edu.cn) ; Zeng, Xiaoqin(xqzeng@sjtu.edu.cn)
2022-04-01
Source PublicationMETALS
Volume12Issue:4Pages:10
AbstractTwinning is a critical deformation mode in Mg alloys. Understanding deformation twinning (DT) is essential to improving mechanical properties of Mg alloys. To address the experimentally observed conspicuous hardening effects in Mg-1.8Zn-0.2Ca alloys, interactions between the {10-12} twin boundaries (TBs) and solute clusters in Mg-Zn-Ca alloys were examined via molecular dynamics (MD) simulations. We find that the Zn/Ca-containing clusters show different hindering effects on TBs and an increment in the applied shear stress of 100 MPa is required to accomplish the interaction between the boundary and the cluster with Ca content > 50 at%. The cluster hardening effects on twinning are positively correlated to the Ca content and the size of the clusters in Mg-Zn-Ca alloys.
KeywordMg-Zn-Ca alloy twin boundary solute cluster hardening molecular dynamics simulation
Funding OrganizationNational Natural Science Foundation of China ; Shanghai Rising-Star Program
DOI10.3390/met12040693
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[51825101] ; Shanghai Rising-Star Program[20QA1405000]
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000785393800001
PublisherMDPI
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/172765
Collection中国科学院金属研究所
Corresponding AuthorWang, Leyun; Zeng, Xiaoqin
Affiliation1.Shanghai Jiao Tong Univ, Natl Engn Res Ctr Light Alloy Net Forming, Shanghai 200240, Peoples R China
2.Shanghai Jiao Tong Univ, State Key Lab Met Matrix Composites, Shanghai 200240, Peoples R China
3.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, 72 Wenhua Rd, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Liu, Ruixue,Wang, Jie,Wang, Leyun,et al. Cluster Hardening Effects on Twinning in Mg-Zn-Ca Alloys[J]. METALS,2022,12(4):10.
APA Liu, Ruixue,Wang, Jie,Wang, Leyun,Zeng, Xiaoqin,&Jin, Zhaohui.(2022).Cluster Hardening Effects on Twinning in Mg-Zn-Ca Alloys.METALS,12(4),10.
MLA Liu, Ruixue,et al."Cluster Hardening Effects on Twinning in Mg-Zn-Ca Alloys".METALS 12.4(2022):10.
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