GUO Minzhi,XIE Huanjun,LI Liqun.Effect of Pretreatment on Chromium Electroplating of GH4169[J].Plating & Finishing,2022,(6):7-10.[doi:10.3969/j.issn.1001-3849.2022.06.002]
镀前处理对GH4169电镀铬的影响
- Title:
- Effect of Pretreatment on Chromium Electroplating of GH4169
- 分类号:
- TG174.4
- 文献标志码:
- A
- 摘要:
- 采用阴极活化、阳极腐蚀、酸洗、吹砂、预镀镍或吹砂与预镀镍结合等镀前处理方式，研究了镀前处理对 GH4169 电镀铬的影响。结果表明：吹砂和吹砂与预镀镍结合的镀前处理方式能有效在 GH4169 圆形表面形成铬层，铬层外观、结合力好；仅吹砂与预镀镍结合的镀前处理方式，并利用辅助阳极和保护阴极，能有效在锥形块垫片表面均匀成膜，铬层厚度均匀，外观和结合力好。
- Abstract:
- ： The effects of pretreatment on GH4169 chromium electroplating were studied by cathodic activation ， anodic corrosion ， pickling ， sand blowing ， pre-nickel plating or sand blowing combined with pre-nickel plating. The results showed that the chromium layer can be effectively formed on the round surface of GH4169 by sand blowing and sand blowing combined with pre-nickel plating ， and the layer had good appearance and adhesion. The pretreatment way of sand blowing combined with pre-nickel plating with auxiliary anode and protective cathode can effectively form uniform chromium layer on the surface of conical block gasket ， and the layer had uniform thickness ， good appearance and bonding force.
参考文献/References:
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[4] 马建铁 . 高温合金 (GH696) 的镀铬方法 [J]. 表面技术 ,1998(3): 39.
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备注/Memo
收稿日期： 2020-11-21 修回日期： 2021-04-11 作者简介： 郭敏智（ 1978 —），男，本科，高级工程师， email ： 13975850943@139.com