The rare earth foam aluminum alloy has the high elasticity ratio 、 compress yield strength as well as rheopectic platform area than others in three kind foam metal of different bulk materials , further analysis the enhancement mechanism , of rare earth to the aluminum alloy with the constitution diagram 在三種不同基體材料的泡沫金屬中,稀土泡沫鋁合金具有較高的彈性模量、抗壓屈服強(qiáng)度以及流變平臺(tái)區(qū),進(jìn)一步結(jié)合金相圖分析稀土對(duì)鋁合金基體的增強(qiáng)機(jī)理。