宋正成,贾淑果,周延军,宋克兴,米绪军,李周

• 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
• 3:北京有色金属研究总院
• 4:中南大学材料科学与工程学院

摘要(Abstract)：

在不同温度下对铸态新型Cu-Ni-Al合金进行均匀化退火,通过静态全浸试验、扫描电镜和电化学测试分析均匀化退火对新型Cu-Ni-Al合金耐蚀性能的影响。结果表明:新型Cu-Ni-Al合金的腐蚀速率随均匀化退火温度的升高而降低,在900~950℃间腐蚀速率趋向稳定;在850~950℃下均匀化退火,钝化现象明显,维钝电流密度较小,呈现良好的耐蚀性,但在850℃退火后合金的点蚀现象明显,对合金的耐蚀性不利;在900~950℃下均匀化退火后交流阻抗圆弧半径较大、电流密度较小,呈现较好的电化学特性,耐蚀性较好。

关键词(KeyWords)： 新型Cu-Ni-Al合金;耐蚀性;均匀化退火

Abstract:

Keywords:

基金项目(Foundation): 国家重点研发计划(2016YFB0301400);; 河南省基础与前沿技术研究项目(162300410049)

作者(Author): 宋正成,贾淑果,周延军,宋克兴,米绪军,李周

DOI: 10.13289/j.issn.1009-6264.2018-0003

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