初雅杰,郝本行,李晓泉,黄磊,李建,许欣童

• 1:南京工程学院材料工程学院
• 2:江苏省先进结构材料与应用技术重点实验室
• 3:珠海市福尼斯焊接技术有限公司江苏分公司

摘要(Abstract)：

采用光学显微镜(OM)、扫描电镜(SEM)和电化学工作站等研究了不同热处理工艺对CoNiCrMo钴基合金显微组织和耐腐蚀性能的影响。结果表明:随着固溶温度的升高(1000～1200℃),CoNiCrMo合金的树枝晶逐渐溶解并消失,CoNiCrMo合金的耐蚀性能随着固溶温度的升高而降低,固溶温度为1000℃时,合金耐腐蚀性能好。800℃经不同时间时效处理后,析出相先增多后减少,而合金耐腐蚀性则是先降低后升高。热处理工艺对CoNiCrMo合金的微观组织结构和耐腐蚀性能有较大影响。

关键词(KeyWords)： 钴基合金;固溶处理;耐腐蚀性;微观组织

Abstract:

Keywords:

基金项目(Foundation): 江苏省先进结构材料与应用技术重点实验室(ASMA201610);; 江苏省产业前瞻与共性关键技术(BE2017168)

作者(Author): 初雅杰,郝本行,李晓泉,黄磊,李建,许欣童

DOI: 10.13289/j.issn.1009-6264.2018-0442

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