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Preparation and Properties of Electroless Plating Wear- resistant and Antifriction Composite Coatings Ni-P-SiC- WS2
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Preparation and Properties of Electroless Plating Wear- resistant and Antifriction Composite Coatings Ni-P-SiC- WS2
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National Natural Science Foundation of China (51305090); the Fundamental Research Funds for the Central Universities (HEUCF130700)

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    摘要:

    在金屬表面制備高硬度、耐磨損且摩擦系數(shù)低的功能涂層，可以有效減少摩擦功耗、延長(zhǎng)機(jī)械設(shè)備的使用壽命。采用化學(xué)復(fù)合鍍的方法，在不銹鋼基質(zhì)上實(shí)現(xiàn)Ni-P-SiC-WS2鍍層的鍍覆，并對(duì)鍍層的表面形貌、微觀結(jié)構(gòu)、成分、硬度、耐蝕性和摩擦學(xué)性能等進(jìn)行了測(cè)試和分析。結(jié)果表明：Ni-P-SiC-WS2鍍層表面平整致密，SiC和WS2嵌入在涂層中，且均勻分布。由于硬質(zhì)粒子的彌散強(qiáng)化機(jī)制和軟質(zhì)粒子的潤(rùn)滑作用，與同等試驗(yàn)條件下的Ni-P基其它復(fù)合鍍層Ni-P-SiC和Ni-P-SiC-MoS2相比，Ni-P-SiC-WS2的顯微硬度、腐蝕性能、耐磨性及自潤(rùn)滑性能都得到了很大的提高。

    Abstract:

    The functional coating with high microhardness, high wear resistance and low friction coefficient on metal surface can reduce friction power consumption effectively and prolong the service life of mechanical equipments. In this study, Ni-P-SiC-WS2 composite coating was deposited on the stainless steel substrate by electroless composite plating. The surface morphology, microstructure, the composition, the microhardness, the tribological properties and the corrosion resistance of the coating were tested and analyzed. The results indicate that the surface of Ni-P-SiC-WS2 coating is compact. Extrinsic insoluble SiC and WS2 are entrenched in the coating and dispersed uniformly. Compared with other nickel coatings obtained under the same experiment condition such as Ni-P-SiC and Ni-P-SiC-MoS2, the tribological properties and the corrosion resistance of Ni-P-SiC-WS2 are improved effectively due to hard-particle-dispersion-strengthening and soft-particle-lubrication of SiC and WS2 in the composite coating.

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應(yīng)麗霞,劉 瑩,劉冠男,李正輝,王桂香. Preparation and Properties of Electroless Plating Wear- resistant and Antifriction Composite Coatings Ni-P-SiC- WS2[J].稀有金屬材料與工程,2015,44(1):28~31.[Ying Lixia, Liu Ying, Liu Guannan, Li Zhenghui, Wang Guixiang. Preparation and Properties of Electroless Plating Wear- resistant and Antifriction Composite Coatings Ni-P-SiC- WS2[J]. Rare Metal Materials and Engineering,2015,44(1):28~31.]
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  • 收稿日期:2014-02-17
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  • 在線發(fā)布日期: 2015-05-22
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