单玉郎,文九巴,姚怀,贺俊光,雷少帆

• 1:河南科技大学材料科学与工程学院
• 2:有色金属共性技术河南省协同创新中心

摘要(Abstract)：

研究了稀土元素Gd含量对铸态Mg-0.5Zn-0.4Zr-x Gd合金微观组织、力学性能及其腐蚀性能的影响。结果表明:当Gd含量小于5%时,随着Gd含量的提高,第二相沿着晶界析出并且逐渐增多,晶粒明显细化,力学性能和耐蚀性逐渐提高;Gd含量为5%时,合金的力学性能及耐蚀性最好,抗拉强度为174.76 MPa,伸长率为11.25%,平均腐蚀速率仅为0.845 mm/a。Gd含量继续增加,合金力学性能和耐蚀性均呈现劣化趋势。

关键词(KeyWords)： 生物镁合金;稀土;耐蚀性

Abstract:

Keywords:

基金项目(Foundation): 河南省“新型有色金属材料”高校科技创新团队支持计划(2012IRTSTHN008);; 河南省教育厅重点项目(15A430024)

作者(Author): 单玉郎,文九巴,姚怀,贺俊光,雷少帆

DOI: 10.13289/j.issn.1009-6264.2016.06.004

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