MoS₂ coated with Al₂O₃ for Ni–MoS₂/Al₂O₃ composite coatings by pulse electrodeposition

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• 作者：Zhong-jia Huang ; Dang-sheng Xiong
• 关键词：MoS₂ coated with Al₂O₃ ; Electrodeposition ; Dendrite growth ; Ni– ; MoS₂/Al₂O₃ coating ; Tribological property
• 刊名：Surface and Coatings Technology
• 出版年：2008
• 期刊代码：106_02578972
• 类别：ms
• 出版时间：15 April 2008
• 卷：202
• 期：14
• 页码：3208-3214
• 文件大小：1605 K

摘要

The MoS₂ powders were coated with Al₂O₃ (5 wt.%) through controlling hydrolysis of Al (NO₃)₃·9H₂O. MoS₂ powder coated with Al₂O₃ was written as MoS₂/Al₂O₃ hereinafter. MoS₂/Al₂O₃ powders were put into Ni plating electrolyte bath. Cetyltrimethylammonium bromide (CTAB) — the surfactant was also put into the bath. The experiment proves that MoS₂/Al₂O₃ particles were absorbed onto the Ni plate. The amount of MoS₂/Al₂O₃ deposited on Ni plate rises with the increasing concentration of MoS₂/Al₂O₃ in the bath. The microhardness, micro-surface, phase and the tribological property of the MoS₂/Al₂O₃ multi-plating coating were measured and analyzed. The performances of microhardness and wear resistance of the Ni–MoS₂/Al₂O₃ composite are better than those of Ni–MoS₂ composite.