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A new rare-earth-free Mg-Sn-Ca-Mn wrought alloy with ultra-high strength and good ductility
Zhang, Aiyue; Kang, Rui; Wu, Lu; Pan, Hucheng; Xie, Hongbo; Huang, Qiuyan; Liu, Yujie; Ai, Zhengrong; Ma, Lifeng; Ren, Yuping; Qin, Gaowu
2019-04-29
Source PublicationMATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
ISSN0921-5093
Volume754Pages:269-274
AbstractA novel rare-earth-free Mg-Sn-Ca-Mn wrought alloy with the new yield strength record of 450 MPa is developed, and a balanced ductility of similar to 5% is achieved. The role of Mn addition is associated with promoting the nucleation rate for dynamic recrystallized grains and restricting their growths by enhancing the thermal stability. Specially, the dynamic recrystallization within the twinned region readily occurs due to the extensive dislocation accumulations and high thermal stability of the pre-existed twins. Twining induced dynamic recrystallization can effectively rotate the original grains to the non-basal orientation, leading to the texture weakening and elongation improvement.
KeywordMg alloy Twinning Thermal stability Dynamic recystallization Mechanical property
Indexed BySCI
Language英语
WOS IDWOS:000466249400028
PublisherELSEVIER SCIENCE SA
Citation statistics
Cited Times:8[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/81162
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Zhang, Aiyue,Kang, Rui,Wu, Lu,et al. A new rare-earth-free Mg-Sn-Ca-Mn wrought alloy with ultra-high strength and good ductility[J]. MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,2019,754:269-274.
APA Zhang, Aiyue.,Kang, Rui.,Wu, Lu.,Pan, Hucheng.,Xie, Hongbo.,...&Qin, Gaowu.(2019).A new rare-earth-free Mg-Sn-Ca-Mn wrought alloy with ultra-high strength and good ductility.MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,754,269-274.
MLA Zhang, Aiyue,et al."A new rare-earth-free Mg-Sn-Ca-Mn wrought alloy with ultra-high strength and good ductility".MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING 754(2019):269-274.
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