雷少帆,文九巴,姚怀,贺俊光,刘亚

• 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)：

研究了不同Ce含量对Mg-2Zn-0.4Zr-x Ce生物镁合金组织及耐蚀性的影响。通过拉伸试验、电化学测试、SEM分析等手段对合金的力学性能、耐蚀性及显微组织进行了研究。结果表明:当Ce含量在低于1 mass%的范围内,随着Ce含量的增加,第二相沿着晶界析出并且逐渐增多,晶粒细化,力学性能和耐蚀性逐渐提高;Ce含量为0.6 mass%时,合金的力学性能与耐蚀性较佳,抗拉强度约为140.13 MPa,伸长率约为9.47%,腐蚀速率约为0.776 mg·cm~(-2)·d~(-1);当Ce含量大于0.6 mass%时,腐蚀速率有增大的趋势,力学性能变化不明显。

关键词(KeyWords)： 生物镁合金;稀土Ce;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): 雷少帆,文九巴,姚怀,贺俊光,刘亚

DOI: 10.13289/j.issn.1009-6264.2016.10.018

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