| 三价铬镀液电沉积装饰性铬-磷合金层的特性 |
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| 引用本文： | 于元春,屠振密,郝照辉,李宁,毕四富.三价铬镀液电沉积装饰性铬-磷合金层的特性[J].材料保护,2011,44(1):46-48,8. |
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| 作者姓名： | 于元春 屠振密 郝照辉 李宁 毕四富 |
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| 作者单位： | 哈尔滨工业大学(威海)应用化学系,山东,威海,264209 |
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| 摘 要： | 为了进一步提高三价铬镀层的性能,在硫酸盐三价铬镀液中加入次磷酸钠,电沉积出了装饰性铬-磷合金层(磷含量为9%～16%).研究了磷含量对镀液和镀层性能的影响,对比了电沉积铬镀层、三价铬-磷合金镀层和六价铬镀层的耐蚀性能.结果表明:铬-磷合金镀层为非晶态结构,具有良好的外观和耐蚀性能,能够很好地满足防护装饰性要求.
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| 关 键 词： | 三价铬电沉积 铬-磷合金层 次磷酸盐 耐蚀性 |
Properties of Electrodeposited Decorative Chromium-Phosphate Alloy Coating Prepared from Trivalent Chrome Bath |
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| YU Yuan-chun,TU Zhen-mi,HAO Zhao-hui,LI Ning,BI Si-fu.Properties of Electrodeposited Decorative Chromium-Phosphate Alloy Coating Prepared from Trivalent Chrome Bath[J].Journal of Materials Protection,2011,44(1):46-48,8. |
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| Authors: | YU Yuan-chun TU Zhen-mi HAO Zhao-hui LI Ning BI Si-fu |
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| Affiliation: | YU Yuan-chun,TU Zhen-mi,HAO Zhao-hui,LI Ning,BI Si-fu(Department of Applied Chemistry,Harbin Institute of Technology at Weihai,Weihai 264209,China). |
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| Abstract: | Sodium hypophosphite was introduced into trivalent chromium sulfate plating bath to prepare electrodeposited decorative chromium-phosphate alloy coating(9%~16% P).The influence of phosphorus content on the performance of the electrolyte and coating was studied.The corrosion resistance of electrodeposited Cr coating was compared with that of trivalent Cr-P alloy coating and hexavalent Cr coating.Results indicate that as-deposited Cr-P alloy coating has amorphous structure and good appearance as well as good ... |
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| Keywords: | trivalent chromium electrodeposition Cr-P alloy coating hypophosphite corrosion resistance |
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