| AZ91D镁合金化学镀镍前处理工艺研究 |
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| 引用本文： | 赵彦彪,杨培霞,杨炜婧,袁伟坚,安茂忠. AZ91D镁合金化学镀镍前处理工艺研究[J]. 电镀与环保, 2011, 31(6): 9-11 |
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| 作者姓名： | 赵彦彪 杨培霞 杨炜婧 袁伟坚 安茂忠 |
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| 作者单位： | 哈尔滨工业大学化工学院,黑龙江哈尔滨,150001;哈尔滨工业大学化工学院,黑龙江哈尔滨,150001;哈尔滨工业大学化工学院,黑龙江哈尔滨,150001;哈尔滨工业大学化工学院,黑龙江哈尔滨,150001;哈尔滨工业大学化工学院,黑龙江哈尔滨,150001 |
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| 摘 要： | 对AZ 91D镁合金碱性化学镀镍的前处理工艺进行研究,得到了镁合金一步磷化的前处理工艺,确定了AZ 91D镁合金磷化液的组成及工艺条件,经一步磷化前处理后即可进行化学镀镍.采用扫描电镜(SEM)、能谱成分分析(EDS)对磷化后的试片的微观形貌和组成成分进行了分析,并测定了AZ 91D镁合金及其化学镀镍后的Tafel曲线...
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| 关 键 词： | 镁合金 化学镀镍 磷化 耐蚀性 |
A Study of Pretreatment Process for Electroless Nickel Plating on AZ 91D Magnesium Alloy |
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| ZHAO Yan-biao,YANG Pei-xia,YANG Wei-jing,YUAN Wei-jian,AN Mao-zhong. A Study of Pretreatment Process for Electroless Nickel Plating on AZ 91D Magnesium Alloy[J]. Electroplating & Pollution Control, 2011, 31(6): 9-11 |
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| Authors: | ZHAO Yan-biao YANG Pei-xia YANG Wei-jing YUAN Wei-jian AN Mao-zhong |
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| Affiliation: | (School of Chemical Engineering,Harbin Institute of Technology,Harbin 150001,China) |
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| Abstract: | The pretreatment process for electroless alkaline Ni plating on AZ 91D magnesium alloy was studied,from which a one-step phosphating pretreatment process was obtained for magnesium alloy.The solution composition and process conditions were determined.After the one-step phosphating pretreatment,electroless nickel plating was ready to be performed.The micro-morphology and composition of the specimen after pre-treatment were analyzed by SEM and EDS.The Tafel curves of the AZ 91D magnesium alloy without and with the Ni-P alloy coating were tested to evaluate the corrosion resistance of the coating.The results show that direct alkaline electroless nickel after one-step phosphating pretreatment can get a Ni-P alloy coating with a better look and a good corrosion resistance. |
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| Keywords: | magnesium alloy electroless nickel plating phosphating corrosion resistance |
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