| 基体表面粗糙度对纳米复合镀层组织及性能的影响 |
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| 引用本文： | 周细应,严敏杰. 基体表面粗糙度对纳米复合镀层组织及性能的影响[J]. 机械工程材料, 2009, 33(6) |
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| 作者姓名： | 周细应 严敏杰 |
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| 作者单位： | 周细应(上海工程技术大学材料工程学院,上海,201620;上海交通大学材料科学与工程学院,上海,200030);严敏杰(上海工程技术大学材料工程学院,上海,201620) |
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| 基金项目： | 上海市科委纳米专项资助项目，上海市重点学科建设项目 |
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| 摘 要： | 采用电刷镀技术在不同表面粗糙度的W18Cr4V高速钢基体上制备了纳米PTFE和纳米WC颗粒增强的镍基复合镀层,采用扫描电镜对纳米复合镀层的表面和截面形貌进行了观察,研究了基体表面粗糙度对纳米复合镀层耐磨性、耐蚀性和结合强度的影响.结果表明:随着基体表面粗糙度的减小,纳米复合镀层的表面更加平整致密,组织更加细小均匀,镀层厚度减小,镀层中的裂纹数量减少,镀层的耐磨性、耐蚀性和结合强度均得到明显提高.
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| 关 键 词： | 电刷镀 纳米复合镀层 表面粗糙度 |
Influence of Surface Roughness of Substrates on Microstructure and Properties of Nano Composite Coatings |
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| ZHOU Xi-ying,,YAN Min-jie. Influence of Surface Roughness of Substrates on Microstructure and Properties of Nano Composite Coatings[J]. Materials For Mechanical Engineering, 2009, 33(6) |
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| Authors: | ZHOU Xi-ying YAN Min-jie |
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| Affiliation: | 1.Shanghai University of Engineering Science;Shanghai 201620;China;2.Shanghai Jiaotong University;Shanghai 200030;China |
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| Abstract: | PTFE and WC nano particles strengthened nickle base nano composite coatings were prepared by electro-brush plating on W18Cr4V high speed steels with different surface roughnesses.The morphology of surface and cross-section of the nano composite coatings was studied by SEM and the effect of surface roughness of substrate on the wear resistance,corrosion resistance and bind strength of the nano composite coatings were studied.The results show that with the decrease of the substrate surface roughness,surface o... |
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| Keywords: | brush electro-plating nano composite coating surface roughness |
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