Enhanced mechanical properties and formability of hot-rolled Mg-Zn-Mn alloy by Ca and Sm alloying

作     者：Wen-xue FAN Yu BAI Guang-yang LI Xing-yang CHANG Hai HAO 范文学;白玉;李广阳;常星阳;郝海

作者机构：School of Materials Science and EngineeringDalian University of TechnologyDalian 116024China Ningbo Research Institute of Dalian University of TechnologyNingbo 315016China 

出 版 物：《Transactions of Nonferrous Metals Society of China》 (中国有色金属学报（英文版）)

年 卷 期：2022年第32卷第4期

页      面：1119-1132页

核心收录：

学科分类：08[工学] 080502[工学-材料学] 0805[工学-材料科学与工程（可授工学、理学学位）] 

基　　金：financially supported by the National Key Research and Development Program of China(Nos.2018YFA0702903,2016YFB0701204) the Fundamental Research Funds for the Central Universities,China(No.DUT20GF102) 

主　　题：Mg-Zn-Mn alloy micro-alloying hot rolling texture evolution formability 

摘      要：In order to broaden the application of wrought Mg alloy sheets in the automotive industry,the influence of Ca and Sm alloying on the texture evolution,mechanical properties,and formability of a hot-rolled Mg-2Zn-0.2Mn alloy was investigated by OM,XRD,SEM,EBSD,tensile tests,and Erichsen *** results showed that the average grain size and basal texture intensity of Mg-2Zn-0.2Mn alloys were remarkably decreased after Ca and Sm additions.0.64 wt.%Ca or 0.48 wt.%Sm addition significantly increased the tensile strength,ductility and ***,the synergetic addition of Sm and Ca improved the ductility and formability of Mg-2Zn-0.2Mn alloy,which was due to the change of Ca distribution and further reduction of the size of Ca-containing particles by Sm *** results provided a possibility of replacing RE elements with Ca and Sm in Mg alloys which bring about outstanding mechanical properties and formability.