郑丽鸽,贺俊光,文九巴,徐大召

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

摘要(Abstract)：

采用扫描电镜(SEM)以及光学显微镜(OM)观察了Mg-1Zn-0.3Zr-2Gd-0.3Sr合金的微观组织。用X射线衍射仪(XRD)分析了合金的偏析相,并用浸泡测试和电化学试验研究了合金的腐蚀性能。结果表明:铸态合金的偏析相最多,平均腐蚀速率为1.102 mm/a;随着固溶温度的升高,合金的偏析相逐渐减少,组织逐渐变得较为均匀,平均腐蚀速率基本逐渐降低;经510℃固溶处理的合金的平均腐蚀速率最小为0.63 mm/a,比铸态合金的平均腐蚀速率降低了42.8%。

关键词(KeyWords)： 固溶温度;微观组织;腐蚀性能;平均腐蚀速率

Abstract:

Keywords:

基金项目(Foundation): 河南省自然科学基金项目(162300410213);; 河南省教育厅科技攻关项目(14A430001)

作者(Author): 郑丽鸽,贺俊光,文九巴,徐大召

DOI: 10.13289/j.issn.1009-6264.2018-0410

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