| LY12铝合金表面预先活化处理化学镀镍工艺 |
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| 引用本文： | 张书第,杨国生,孙拓,文松林. LY12铝合金表面预先活化处理化学镀镍工艺[J]. 电镀与涂饰, 2011, 30(4): 27-30 |
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| 作者姓名： | 张书第 杨国生 孙拓 文松林 |
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| 作者单位： | 沈阳理工大学环境与化学工程学院;东北大学材料与冶金学院;中国科学院金属研究所腐蚀与防护国家重点实验室;中国人民解放军6316部队直属队; |
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| 摘 要： | 研究了5种铝合金表面预活化处理工艺对随后化学镀镍层的光亮性及结合力的影响.确定了一种适用于LY12铝合金的碱性活化液配方,可代替浸锌处理.通过正交试验获得了化学镀镍的最佳配方及工艺条件为:硫酸镍25g/L,次磷酸钠22 g/L,柠檬酸钠30 g/L,UDIQ561稳定剂2 mg/L,UDIQ563复合添加剂0.2 mL...
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| 关 键 词： | 铝合金 化学镀镍 活化 耐蚀性 |
Process of electroless nickel plating on previously activated LY12 aluminum alloy |
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| ZHANG Shu-di,YANG Guo-sheng,SUN Tuo,WEN Song-lin. Process of electroless nickel plating on previously activated LY12 aluminum alloy[J]. Electroplating & Finishing, 2011, 30(4): 27-30 |
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| Authors: | ZHANG Shu-di YANG Guo-sheng SUN Tuo WEN Song-lin |
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| Affiliation: | ZHANG Shu-di,YANG Guo-sheng,SUN Tuo,WEN Song-lin Environment and Chemical Engineering institute of Shenyang University of Science and Technology,Shenyang 110159,China |
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| Abstract: | Five processes for pre-activation of the surface of aluminum alloys were studied as related to the brightness and adhesion strength of electroless Ni coating prepared subsequently.An alkaline bath formulation suitable for activation of LY12 aluminum alloy was determined as an alternative to zinc immersion treatment.The optimal bath composition and process conditions were obtained by orthogonal test as follows:nickel sulfate 25 g/L,sodium hypophosphite 22 g/L,sodium citrate 30 g/L,UDIQ561 stabilizing agent 2... |
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| Keywords: | aluminum alloy electroless nickel plating activation corrosion resistance |
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