氨基磺酸盐体系复合电镀镍-金刚石溶液的添加剂研究

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英文篇名：Study on additives for nickel–diamond composite electroplating in a sulfamate bath 作者：郭文晓 ; 刘平 ; 刘新宽 ; 陈小红 ; 李伟 ; 马凤仓 ; 何代华 ; 张柯 英文作者：GUO Wen-xiao;LIU Ping;LIU Xin-kuan;CHEN Xiao-hong;LI Wei;MA Feng-cang;HE Dai-hua;ZHANG Ke;School of Materials Science and Engineering, University of Shanghai for Science and Technology; 关键词：镍 ; 金刚石 ; 复合电镀 ; 氨基磺酸盐 ; 添加剂 ; 结合强度 ; 孔隙率 ; 正交试验 英文关键词：nickel;;diamond;;composite electroplating;;sulfamate;;additive;;adhesion strength;;porosity;;orthogonal test 中文刊名：DDTL 英文刊名：Electroplating & Finishing 机构：上海理工大学材料科学与工程学院; 出版日期：2019-02-28 出版单位：电镀与涂饰 年：2019 期：v.38;No.334 语种：中文; 页：DDTL201904001 页数：4 CN：04 ISSN：44-1237/TS 分类号：4-7

摘要

以氨基磺酸盐镀镍液在黄铜基体上进行镍-金刚石复合电镀,采用正交试验考察了金刚石添加量以及FC-001全氟环氧烷基类非离子表面活性剂、双十二烷基二甲基氯化铵(D1221)和乙二胺四乙酸(EDTA)这三种添加剂的配比对镀层结合强度与孔隙率的影响,确定了最优镀液配方为:Ni(NH_2SO_3)_2·7H_2O 500~550 g/L,NiCl_2·6H_2O 10~12g/L,H_3BO_3 35~40g/L,金刚石80 g/L,FC-001 0.15 g/L,D1221 0.2 g/L, EDTA 1.5 g/L。所得镀层结合强度为17.305 MPa,孔隙率0.062。偏光显微镜和扫描电镜观察显示,金刚石在镀层中分布较均匀,其复合量为47_(-7)~(+20)个/cm~2。该工艺适用于制备金刚石线锯。
        Ni-diamond composite electroplating was carried out on brass in a sulfamate bath. The effects of diamond amount and the proportion of three additives i.e. FC-001 perfluorocycloalkyl-based nonionic surfactant, didecyldimethylammonium chloride(D1221), and ethylenediaminetetraacetic acid(EDTA) on adhesion strength and porosity of coating were studied by orthogonal test. The optimal bath composition was determined as follows: Ni(NH_2SO_3)2·7 H_2O 500-550 g/L,NiCl_2·6H_2O 10-12 g/L,H_3B0_3 35-40 g/L,diamond 80 g/L,FC-001 0.15 g/L,D1221 0.2 g/L,and EDTA 1.5 g/L. The coating obtained therefrom had an adhesion strength of 17.305 MPa and a porosity of 0.062 pores per square centimeter. The observation by polarized light microscope and scanning electron microscope showed that the diamonds distributed uniformly in the coating where there are 47_(-7)~(+20) diamonds per square centimeter. The process is suitable for making diamond wire saws.

引文

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