Effect of Al2Ca Compound on Microstructure of as-cast AZ31 and AZ61 Alloys

摘要：

　　The inoculation effect of Al2Ca intermetallic compound on microstructure evolution was examined performed on as-cast AZ31 and AZ61 alloys.The refinement mechanism of Mg-Al alloys was discussed with the Miedema model and edge-to-edge matching model.Al2Ca compound has a good crystallographic matching relation with Mg matrix,which formed in the solidification process.It is considered that Al2Ca can act as a potential and effective heterogeneous nucleation center.The results reveal that the grain refinement effect of Al2Ca compound has more pronounced in AZ31 alloy compared with in AZ61 alloy.

关键词： Al2Ca Microstructure Edge-to-Edge Grain refinement

作者: Qingshan Yang Bin Jiang Xiaoyong Huang Xiaoke Li Fusheng Pan

作者单位: College of Materials Science and Engineering, Chongqing University, Chongqing 400030, China;National College of Materials Science and Engineering, Chongqing University, Chongqing 400030, China;National College of Materials Science and Engineering, Chongqing University, Chongqing 400030, China National Engineering Research Center for Magnesium Alloy, Chongqing University, Chongqing 400030, Ch

会议类型: 国际会议

会议名称: the Chinese Materials Congress 2012(2012年中国材料大会(CMC2012))

会议地点: 太原

会议语种:英文

页码: 383-389

在线出版日期: 2012-07-13（万方平台首次上网日期，不代表论文的发表时间）