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什么是蒸气处理工艺
更新时间: 2020-09-17 00:00:00  

蒸汽处理工艺,是将铁基粉末冶金零件置于500至560摄氏度的过热蒸汽中加热并保持一定的时间,在此热力学和动力学条件具备的条件下,使其表面及孔隙中生成一层致密的四氧化三铁氧化膜,可防止或减轻残留电镀液的腐蚀作用;在不十分恶劣的工作条件下,甚至即使不经电镀,直接即可提高防锈、耐磨或防高压渗透性能。

关键词: 什么 蒸气 处理 工艺

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