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電刷鍍鎳／炭納米管復(fù)合納米鍍層的結(jié)構(gòu)與耐磨性能
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TG174.44

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國家創(chuàng)新研究群體基金（50421502）,國家杰出青年基金（59925513）


Microstructures and Wear Behaviour of Ni/Carbon Nanotube Composite Nanocoatings by Electro-Brush Plating
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    摘要:

    用含碳納米管的快速鎳電刷鍍液制備了鎳／碳納米管復(fù)合納米鍍層。研究了鍍液中碳納米管含量對鍍層平均晶粒尺寸、顯微結(jié)構(gòu)、力學(xué)性能及耐磨性能的影響。結(jié)果表明：鍍液中碳納米管含量對鎳刷鍍層的平均晶粒尺寸和微結(jié)構(gòu)有顯著的影響，當(dāng)鍍液中碳納米管含量為4％（質(zhì)量分?jǐn)?shù)）時，鍍層有約16nm的最小晶粒尺寸：鍍層的硬度和耐磨性與鍍層的平均晶粒尺寸有非常好的對應(yīng)關(guān)系：碳納米管的彌散強(qiáng)化作用導(dǎo)致鍍層晶粒細(xì)化和結(jié)構(gòu)致密化，從而有效地改善了鍍層的力學(xué)性能和耐磨性能。

    Abstract:

    Carbon nanotube was used as a preventing agent to prepare Ni/carbon nanotube composite nanocoatings. Effect of carbon nanotube content in electrolyte on average grain size, microstructure, microhardness and antiwear properties of the Ni/carbon nanotube composite nanocoatings was investigated. The results indicate that average grain size and microstructure of the Ni/carbon nanotube composite nanocoatings are mainly controlled by carbon nanotube content in electrolyte. The Ni/carbon nanotube composite nanocoating has an average grain size of about 16 nm as the carbon nanotube content in electrolyte is 4 wt%. The wear behaviour and microhardness of the Ni/carbon nanotube composite nanocoatings is closely related to the average grain sizes and microstructures of the Ni/carbon nanotube composite nanocoatings. The excellent antiwear and mechanical properties of the Ni/carbon nanotube composite nanocoatings are attributed to the small grains and compact microstructures of the Ni/matrix composite nanocoatings caused by carbon nanotube used as a preventing agent.

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冶銀平 周惠娣 陳建敏.電刷鍍鎳／炭納米管復(fù)合納米鍍層的結(jié)構(gòu)與耐磨性能[J].稀有金屬材料與工程,2006,35(10):1643~1646.[Ye Yinping, Zhou Huidi, Chen Jianmin. Microstructures and Wear Behaviour of Ni/Carbon Nanotube Composite Nanocoatings by Electro-Brush Plating[J]. Rare Metal Materials and Engineering,2006,35(10):1643~1646.]
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  • 收稿日期:2005-11-05
  • 最后修改日期:2006-02-08
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