The addition of MM played a role of refining the grain of as cast ZK60-MM alloys. ZK60-MM alloys were consisted of Mg2Zn11 phase and Mg-Ce phase in the as-case condition.

• 对铸态ZK60-MM镁合金进行微观组织和相分析,发现混合稀土加入后铸态组织晶粒明显细化,相组成为Mg2Zn11相和镁铈二元相。