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Ca添加对镁合金板材组织和织构的影响（英文）

Effect of calcium addition on microstructure and texture modification of Mg rolled sheets

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【Author】 Han-lin DING;Peng ZHANG;Guang-ping CHENG;Shigeharu KAMADO;School of Materials Science and Engineering,Anhui University of Technology;National Engineering Research Center of Light Alloy Net Forming,Shanghai Jiao Tong University;Department of Mechanical Engineering,Nagaoka University of Technology;

【机构】安徽工业大学材料科学与工程学院；上海交通大学轻合金精密成型国家工程研究中心； Department of Mechanical Engineering,Nagaoka University of Technology；

【摘要】采用多道次轧制方法制备AM60(Mg-6.0Al-0.3Mn,质量分数%)和ZXM200(Mg-1.6Zn-0.5Ca-0.2Mn)镁合金板材,并研究镁合金板材的力学性能和织构特征。研究表明,在添加Ca的镁合金轧板中,细小的再结晶晶粒表现出特定的取向特征,从而改变了轧板的整体织构特征;固溶至镁基体中的Ca元素促使晶粒c轴由板坯法线方向向板宽方向偏转,亦可明显弱化板材织构。这导致了含Ca的镁合金板材表现出与稀土镁合金类似的织构特征。更多还原

【Abstract】 The mechanical properties and texture of AM60(Mg-6.0Al-0.3Mn,mass fraction %) and ZXM200(Mg-1.6Zn-0.5Ca-0.2Mn) Mg alloys subjected to multi-pass hot rolling were investigated.The finer recrystallized grains usually exhibit particular preferred orientations and then alter the total texture feature of rolled sheets.Ca solid solution into Mg matrix serves to the formation of texture component with c-axis rotated away from normal direction towards transverse direction and then weakens the overall texture intensity,resulting in a similar anisotropic characteristic to RE-containing Mg alloys.更多还原

【关键词】镁板；热轧；动态再结晶； Ca添加；织构弱化；
【Key words】 Mg sheets； hot rolling； dynamic recrystallization； Ca addition； texture weakening；

【基金】 Project(51204003)supported by the National Natural Science Foundation of China;Project(KJ2011A051)supported by the Scientific Research Foundation of Education Department of Anhui Province,China

【文献出处】 Transactions of Nonferrous Metals Society of China ,中国有色金属学报(英文版) , 编辑部邮箱 ,2015年09期

【分类号】TG339
【被引频次】14
【下载频次】128

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