任雪峰   

Associate Professor
Supervisor of Master's Candidates

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Paper Publications

Title of Paper:Ni-Co-C代硬铬镀层的制备及性能研究(Ⅰ):镀液组成及工艺优化

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Date of Publication:2018-03-15

Journal:电镀与精饰

Volume:40

Issue:3

Page Number:1-7

ISSN No.:1001-3849

Key Words:Ni-Co-C镀层;草酸铵;镀液组成;电镀工艺

Abstract:为提高Ni-Co合金镀层的致密性、硬度、耐磨性和耐蚀性等各方面性能,采用电沉积方法在镀层中引入原子态的碳.对Ni-Co-C代铬镀液中可能的碳源进行了筛选,并利用单因素试验对镀液中各组分的含量及工艺条件进行了优化,最终确定了草酸铵-柠檬酸铵体系为Ni-Co-C代铬镀液体系.得到的镀层外观与暗镍类似,结晶较细,平整性和均匀性稍差.优化的Ni-Co-C基础镀液稳定性好,长期放置不结晶、不沉淀;阴极电流效率稳定在45% ~48%.

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