谢飞,胡静,林栋梁,左晓千

• 1:江苏工业学院材料科学与工程系
• 2:江苏工业学院材料科学与工程系
• 3:上海交通大学材料学院
• 4:江苏工业学院材料科学与工程系 江苏常州213016

摘要(Abstract)：

研究了Mg-Al-Ca-Ti合金中添加不同含量稀土元素Y的铸造镁合金,对430℃固溶后不同温度和时间的时效处理的镁合金的相结构、显微组织和显微硬度进行测定。探寻低含量稀土元素Y及不同热处理对镁合金的相结构、显微组织和力学性能的影响。结果表明,加入一定量的稀土元素Y改变了铸造镁合金的相结构与组织形态,从而改变其力学性能;低含量Y能够增加固溶及时效处理后铸造镁合金中的颗粒相含量;固溶+时效处理对提高该类含1%左右Y的镁合金的硬度作用不显著。

关键词(KeyWords)： 镁合金;稀土钇;显微组织;固溶;时效;显微硬度

Abstract:

Keywords:

基金项目(Foundation): 常州市科技攻关计划项目基金(CE2004027)

作者(Author): 谢飞,胡静,林栋梁,左晓千

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