| 磷质量分数对镁合金化学镀镍层结构及性能的影响 |
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| 引用本文： | 蒋建朋,俞宏英,孙冬柏,孟惠民,樊自栓,王旭东. 磷质量分数对镁合金化学镀镍层结构及性能的影响[J]. 电镀与涂饰, 2008, 27(4): 20-23 |
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| 作者姓名： | 蒋建朋 俞宏英 孙冬柏 孟惠民 樊自栓 王旭东 |
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| 作者单位： | 北京表面纳米技术工程研究中心,北京科技大学材料科学与工程学院,北京,10083 |
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| 摘 要： | 采用直接化学镀的方法在AZ91D镁合金上化学镀镍,通过改变镀液pH获得不同磷质量分数的镀层,研究了磷质量分数对镀层结构、硬度、耐磨性和耐蚀性的影响。结果表明:随着磷质量分数的降低,镀层结构由非晶态向晶态转变;镀层硬度比AZ91D镁合金基体提高了5～6倍;磷质量分数为2.4%的低磷镀层,具有很好的耐蚀耐磨性能。
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| 关 键 词： | 镁合金 化学镀镍 镀层结构 耐蚀性 耐磨性 |
| 文章编号： | 1004-227X(2008)04-0020-04 |
| 修稿时间： | 2007-09-26 |
Influence of phosphorus mass fraction on structure and properties of electroless nickel coating on magnesium alloy |
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| JIANG Jian-peng,YU Hong-ying,SUN Dong-bai,MENG Hui-min,FAN Zi-shuan,WANG Xu-dong. Influence of phosphorus mass fraction on structure and properties of electroless nickel coating on magnesium alloy[J]. Electroplating & Finishing, 2008, 27(4): 20-23 |
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| Authors: | JIANG Jian-peng YU Hong-ying SUN Dong-bai MENG Hui-min FAN Zi-shuan WANG Xu-dong |
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| Abstract: | Using direct electroless Ni-P plating on AZ91D magnesium alloy, deposits with different phosphorus mass fractions were prepared by changing pH. The influence of phosphorus mass fraction on deposit's structure, hardness, abrasion resistance and corrosion resistance was studied. The results showed that the deposit structure changes from amorphous to crystalline phase with the reduction of phosphorus mass fraction;the hardness of nickel-phosphorus deposit is 5 or 6 times greater than that of AZ91D magnesium alloy;low phosphorus deposit with w (P) = 2.4% exhibits good corrosion resistance and abrasion resistance. |
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| Keywords: | magnesium alloy electroless nickel plating deposit structure corrosion resistance abrasion resistance |
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