Micro-alloying of Sm with rolling for synergetic corrosion resistance and mechanical properties of Mg-Al-Sn-Ca-Mn alloys

被引：3
|
作者：
He, Jiawei [1 ,2 ]
Wang, Dawei [1 ,2 ]
Cao, Fuyong [3 ]
Zhang, Xun [1 ,2 ]
Wang, Cheng [1 ,2 ]
Xu, Jin [1 ,2 ]
Zhou, Xiaoli [1 ,2 ]
Yang, Yajie [1 ,2 ]
Gao, Yipeng [1 ,2 ,5 ]
Zha, Min [1 ,2 ,4 ,5 ]
机构：
[1] Jilin Univ, Key Lab Automobile Mat, Minist Educ, Nanling Campus,5988 Renmin St, Changchun 130025, Peoples R China
[2] Jilin Univ, Sch Mat Sci & Engn, Nanling Campus, 5988 Renmin St, Changchun 130025, Peoples R China
[3] Xiamen Univ, Coll Mat, Ctr Marine Mat Corros & Protect, Xiamen 361005, Peoples R China
[4] Jilin Univ, State Key Lab Superhard Mat, Changchun 130012, Peoples R China
[5] Jilin Univ, Int Ctr Future Sci, Changchun 130012, Peoples R China
来源：
CORROSION SCIENCE | 2024年 / 240卷
基金：
中国国家自然科学基金;
关键词：
Mg-Al-Sn-Ca-Mn alloy; Sm-alloying; Rotary rolling; Galvanic-corrosion; CALCULATED PHASE-DIAGRAMS; PURE MAGNESIUM; CRYSTALLOGRAPHIC ORIENTATION; FILM THICKNESS; BEHAVIOR; MICROSTRUCTURE; IMPURITY; TEXTURE; ZN; FE;
D O I：
10.1016/j.corsci.2024.112502
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Micro Sm alloying coupling with four-pass rotary rolling is conducted to synergize the corrosion resistance and mechanical properties of Mg-Al-Sn-Ca-Mn alloys. Micro Sm alloying weakens the galvanic corrosion. Rolling process refines the grains, intensifies the basal texture and promotes dispersed second phase particles, thereby contributing to forming a uniform and protective corrosion product film, and enhancing the mechanical strength and ductility. As a result, rolled Mg-Al-Sn-Ca-Mn-Sm alloy exhibits a synergy of mechanical properties and corrosion resistance, i.e., an UTS of 271 MPa, YS of 204 MPa, elongation to failure of 18 %, and a low corrosion rate of 0.85 mm(-1).
引用
收藏
页数：17
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