| 镍-二氧化硅纳米复合镀层表面分形维数与显微硬度的关系 |
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| 引用本文： | 郑金玲,胡小芳.镍-二氧化硅纳米复合镀层表面分形维数与显微硬度的关系[J].电镀与涂饰,2011,30(9):8-11. |
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| 作者姓名： | 郑金玲 胡小芳 |
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| 作者单位： | 华南理工大学机械与汽车工程学院广东广州510640 |
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| 基金项目： | 广东省工业攻关项目(2005B1030105) |
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| 摘 要： | 利用电沉积方法在45钢上制得Ni-SiO2纳米复合镀层,研究了镀液中纳米SiO2的浓度对镀层表面形貌和性能的影响；用投影覆盖法计算镀层表面分形维数,并考察分形维数与镀层显微硬度的关系.结果表明,纳米SiO2的质量浓度为5g/L时,镀层的显微硬度最高；镀层的表面分形维数介于2.7～2.9之间,相关系数在0.9以上,分形维...
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| 关 键 词： | 镍 二氧化硅 纳米复合镀层 分形维数 显微硬度 |
Relationship between surface fractal dimension and microhardness for nickel-silica composite coating |
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| ZHENG Jin-ling,HU Xiao-fang.Relationship between surface fractal dimension and microhardness for nickel-silica composite coating[J].Electroplating & Finishing,2011,30(9):8-11. |
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| Authors: | ZHENG Jin-ling HU Xiao-fang |
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| Affiliation: | ZHENG Jin-ling,HU Xiao-fang* School of Mechanical & Automotive Engineering,South China University of Technology,Guangzhou 510640,China |
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| Abstract: | Ni-SiO2 composite coatings were prepared on surface of 45# steel substrate by plating.Effects of n-SiO2 concentration in nickel bath on the surface morphology and microhardness of composite coatings were studied.The fractal dimension values of surface morphologies were calculated by means of projective covering method.The relationship between fractal dimension of the surface morphology of composite coating and its microhardness was studied.Results showed that the microhardness of composite coatings reaches ... |
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| Keywords: | nickel silica nanocomposite coating fractal dimension microhardness |
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