The La2(CO3)3 addition makes the grain of AZ91 alloy be refined obviously.The average primary dendrite size of the alloy......

在镁铝系合金晶粒细化工艺过程中,传统的变质剂采用的是MgCO3或C2Cl6等,在本文分别用MgCO3和La2(CO3)3处理AZ91D镁合金.实验结果表......