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硫酸盐三价铬镀层的耐蚀性及色度研究
Study on corrosion resistance and chroma of the deposit from sulfate trivalent chromium plating bath

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硫酸盐三价铬镀层的耐蚀性及色度研究.pdf (243.9Kb)
Date
2011
Author
余泽峰
林志敏
杨玉祥
蒋义锋
陈明辉
杨防祖
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  • 化学化工-已发表论文 [14237]
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Abstract
以厦门大学研发的XTC-硫酸盐三价铬镀铬工艺进行中试试验,利用扫描电子显微镜(SEM)、能谱仪(EdS)和CM-2600dlAb值测试仪分别对镀层的表面形貌、组分和色度进行表征,考察了电流密度和导电盐浓度对镀层抗腐蚀能力和色度的影响。结果表明,镀件外观均匀一致,色度白亮、略偏黄;镀层形貌平整、致密,为微裂纹结构;当电流密度为3~6A/dM2,导电盐质量浓度为170g/l时,所得镀层能够通过CASS16H测试。
 
A pilot-scale test for XTC-sulfate trivalent chromium electroplating process developed by Xiamen University was carried out.The surface morphology,composition and chroma of the deposit were characterized by scanning electron microscope(SEM),energy-dispersive spectrometer(EDS) and CM-2600d Lab values tester.The effects of current density and concentration of conductive salt on the corrosion resistance and chroma of deposit were studied.The results indicated that the deposit features a uniform,bright and white appearance with a bit yellowish color,as well as a level and compact morphology with a micro-crack structure.The deposit prepared with conductive salt 170 g/L at current density 3-6 A/dm2 can pass 16-h CASS test.
 
Citation
电镀与涂饰,2011,(5):11-14
URI
https://dspace.xmu.edu.cn/handle/2288/106532

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