通过试验确定了4340合金钢电刷镀镉修复工艺的工艺流程及镀镉后钝化溶液的配方。镉镀层耐蚀性、氢含量以及结合力的检测结果表明，电刷镀镉是一种耐腐蚀、结合力良好、低氢脆的工艺方法，作为电镀镉层局部损伤后的修补镀层工艺，解决了钢类零件电镀镉层损伤后零件局部耐蚀性下降的难题。
The technological process and passivating solution of electric-brush plating cadmium on 4340 steel were determined by tests.The results show that electric-brush plating cadmium is a technological method with anti-corrosion,good adherence and low hydrogen brittleness proved by the tests on corrosion performance,hydrogen content and adherence.As a local repair process,this technology can resolve the problem of local reduction in corrosion resistance of steel parts with plated Cd.
参考文献
| [1] | 马亚军,朱张校.电刷镀技术研究的最新进展[J].表面技术,2001(06):5-7. |
| [2] | 李会录,余竹焕,李颖,褚武扬,乔利杰.高强钢氢脆敏感性和氢致附加应力的相关性[J].腐蚀与防护,2009(10):678-683. |
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