铜合金截止阀密封失效原因分析

来源 :材料开发与应用 | 被引量 : 0次 | 上传用户：luke_kai

【摘要】

：

通过化学成分检测、室温力学性能分析以及金相组织观察、形貌观察、腐蚀产物分析等方法,分析了铜合金截止阀阀瓣密封腐蚀的原因.结果表明,截止阀阀瓣成分、组织及性能均满足

【作者】

：

韩茂盛罗皓刘乐乐张云浩潘恒沛

【机构】

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中国船舶重工集团公司第七二五研究所,河南洛阳471023;中国船舶重工集团公司第七二五研究所,河南洛阳471023;国家新材料生产应用示范平台(先进海工与高技术船舶材料),河南洛阳471023

【出处】

：

材料开发与应用

【发表日期】

：

2021年2期

【关键词】

：

海水管路阀门腐蚀失效分析

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论文部分内容阅读

通过化学成分检测、室温力学性能分析以及金相组织观察、形貌观察、腐蚀产物分析等方法,分析了铜合金截止阀阀瓣密封腐蚀的原因.结果表明,截止阀阀瓣成分、组织及性能均满足标准要求,截止阀阀瓣密封面腐蚀由脱成分腐蚀、冲刷以及缝隙腐蚀的共同作用造成,管路海水泥沙较多促进了缝隙的出现并增加冲刷力度,加速腐蚀过程.

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铜合金截止阀密封失效原因分析

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