| 一种新型微裂纹镀铬工艺及镀层性能研究 |
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| 引用本文： | 王力强,杨由凯,赵晴,文庆杰,胡彦卿,李志波.一种新型微裂纹镀铬工艺及镀层性能研究[J].电镀与精饰,2018(1):17-21. |
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| 作者姓名： | 王力强 杨由凯 赵晴 文庆杰 胡彦卿 李志波 |
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| 作者单位： | 成都飞机工业(集团)有限责任公司制造工程部,辽宁沈阳,110034
南昌航空大学轻合金加工科学与技术国防重点学科实验室,江西南昌,330063 |
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| 摘 要： | 本文研究了电镀微裂纹硬铬的工艺参数和添加剂对镀层裂纹长度、深度和密度的影响。借助3D显微镜以及SEM观察镀层表面微裂纹,并将自行研发的ND-331微裂纹镀铬工艺与标准镀铬工艺、国外知名品牌的HCR镀铬工艺进行了对比。结果表明,研发的ND-331微裂纹镀铬工艺电流效率可达20.5%,镀铬层裂纹密度为1020条/cm、硬度为989.9 HV,其性能优于标准镀铬,与HCR镀铬相当。
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| 关 键 词： | 微裂纹铬 硬铬 镀铬添加剂 |
Study on A New Type of Micro-crack Chrome Plating Process and the Coating Performance |
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| WANG Liqiang,YANG Youkai,ZHAO Qing,WEN Qingjie,HU Yanqing,LI Zhibo.Study on A New Type of Micro-crack Chrome Plating Process and the Coating Performance[J].Plating & Finishing,2018(1):17-21. |
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| Authors: | WANG Liqiang YANG Youkai ZHAO Qing WEN Qingjie HU Yanqing LI Zhibo |
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| Abstract: | In this paper,the process parameters of micro-crack hard chrome plating and the effects of additives on the length,depth and density of the coating cracks were studied.The self-developed ND-331microcrack chrome plating process was compared to the standard chrome plating process and the wellknown foreign brand HCR chrome plating process by observing the surface micro-cracks with 3D microscope and SEM.Results showed that the current efficiency of ND-331 process was up to 20.5％,the crack density of the chrome plated coating was 1020/cm,and the hardness was 989.9 HV,its performance was better than that of the standard chrome plating and equal to the HCR chrome plating. |
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| Keywords: | micro- crack chrome hard chrome chrome plating additive |
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