| SiC强化镍基纳米复合电刷镀层的干摩擦磨损特性 |
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| 引用本文： | 肖卫东,尚勇军,刘智渭,董远宝,赵永武.SiC强化镍基纳米复合电刷镀层的干摩擦磨损特性[J].电镀与涂饰,2008,27(9). |
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| 作者姓名： | 肖卫东 尚勇军 刘智渭 董远宝 赵永武 |
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| 作者单位： | 1. 江南大学机械工程学院,江苏,无锡,214122
2. 无锡压缩机股份有限公司,江苏,无锡,214122 |
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| 基金项目： | 江苏省无锡市产学研项目，江苏省自然科学基金，教育部科学技术研究项目，教育部回国人员科研启动项目，国家重点实验室基金，江南大学校科研和教改项目 |
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| 摘 要： | 采用电刷镀技术制备了快速镍和,n-SiC/Ni、n-SiC/Ni-W复合镀层,研究了镀层的干摩擦磨损特性,测定了镀层的显微硬度,采用扫描电子显微镜(SEM)观察分析了镀层磨痕形貌.结果表明:纳米粒子的加入可以显著地提高镀层的耐磨性.纳米复合镀层的磨损机制以磨粒磨损为主,而纯镍镀层以粘着磨损和磨粒磨损为主.
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| 关 键 词： | 镍 碳化硅 纳米复合电刷镀 干滑动摩擦 磨损机制 |
Tribological properties of electro-brush plated Sicreinforced nickel-based nanocomposite coatings underdry friction and wear conditions |
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| XIAO Wei-dong,SHANG Yong-jun,LIU Zhi-hui,DONG Yuan-bao,ZHAO Yong-wu.Tribological properties of electro-brush plated Sicreinforced nickel-based nanocomposite coatings underdry friction and wear conditions[J].Electroplating & Finishing,2008,27(9). |
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| Authors: | XIAO Wei-dong SHANG Yong-jun LIU Zhi-hui DONG Yuan-bao ZHAO Yong-wu |
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| Abstract: | Nickel as well as nickel and nickel-tungsten based nano-SiC composite coatings were prepared by electro-brush plating.The dry sliding wear properties of the coatings were studied.The microhardness was tested and the morphology of worn surface was examined by scanning electron microscopy(SEM).The results showed that the wear resistance of the nanocomposite coatings were significantly improved by the addition of nano-particles.The wear mechanism of the nanocomposite coatings is abrasive wear and that of the pure nickel coating is mainly abrasive and adhesive wear. |
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| Keywords: | nickel silicon carbide nanocomposite electro-brush plating dry sliding wear wear mechanism |
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