粉体粒度对镍/Ti3SiC2复合镀层耐磨性的影响
Electroplating & Finishing（2013）
Abstract
采用电沉积法制备了Ni/Ti3SiC2复合镀层.镀液组成和工艺条件为:NiSO4·6H2O 250 g/L,NiCl2·6H2O 45 g/L,H3BO340 g/L,Ti3SiC2粉体35 g/L,pH 4.0,温度(55±1)℃,搅拌速率400r/min,电流密度0.65 A/dm2,时间30 min.研究了Ti3SiC2粉体粒度对Ni/Ti3SiC2复合镀层耐磨性的影响.结果表明,随Ti3SiC2粉体粒度减小,复合镀层的表面粗糙度减小,耐磨性提高.经磨损试验后,Ni/Ti3SiC2复合镀层未出现裂纹或剥落等严重的磨损现象,说明Ni/Ti3SiC2复合镀层具有良好的耐磨性.
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Key words
wear resistance,composite electrodeposition,particle size,titanium silicon carbide,nickel
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