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高压电器  2015 

QPQ技术在高压开关领域的应用研究

, PP. 128-131

Keywords: QPQ盐浴复合处理,硬度,显微组织,盐雾腐蚀实验,高压开关,机构零件

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Abstract:

高压开关机构上的连接传动零部件、接触运动零部件等,一般采用高频淬火、渗碳淬火等技术提高其耐磨性能,通过镀锌来提高防腐性能,但镀锌层的耐磨性差,在运行过程中磨损严重,导致丧失防腐效果,严重影响产品的整体性能。笔者针对高压开关机构零部件常用的钢材,进行QPQ盐浴氮化氧化复合处理技术的应用研究,系统研究了QPQ处理后的渗层显微组织形貌、表面硬度及渗层硬度和耐蚀性。研究证明,QPQ技术应用到高压开关机构零件上,可以同时提高零件的耐磨性能和耐蚀性能,达到强化防腐复合效果。

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