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Effect of Surfactants on Ni-Si3N4 Composite Coating
Author(s): HAN Tingshui, YU Aibing, TIAN Xinli
Pages: 32-
35
Year: 2004
Issue:
6
Journal: CHINA SURFACE ENGINEERING
Keyword: 表面活性剂; 复合电镀; 镍-氮化硅;
Abstract: 通过分析3种典型表面活性剂对Si3N4微粒在镀液中悬浮性的影响,研究各表面活性剂对Ni-Si3N4复合层中微粒含量、沉积速率和镀层硬度的影响及作用机理.结果表明,阳离子表面活性剂十六烷基三甲基溴化铵可提高复合镀层中Si3N4微粒含量和镀层硬度,有利于Ni-Si3N4的沉积;非离子表面活性剂甲酰胺对Ni-Si3N4镀层的影响不显著.选择适当的阴离子表面活性剂和阳离子活性剂的混和比例,可以获得较好的Ni-Si3N4镀层.
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