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钱海峰,雷卫宁,刘维桥,谈衡,沈宇.基于超临界流体电铸耦合场分析及试验研究[J].稀有金属材料与工程(英文),2018,47(3):717~722.[Qian Haifeng,Lei Weining,Liu Weiqiao,Tan Heng,Shen Yu.Simulation of electrodepositing process based on supercritical fluid and test research[J].Rare Metal Materials and Engineering,2018,47(3):717~722.]
Simulation of electrodepositing process based on supercritical fluid and test research
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Received:May 04, 2016  Revised:October 20, 2016
DOI:
Key words: electrodepositing  supercritical fluid  coupling simulation  microhardness  thickness
Foundation item:国家自然科学基金项目(面上项目,编号:51275222);江苏省自然科学基金项目(面上项目,编号:BK20161198);
Author NameAffiliationE-mail
Qian Haifeng Jiangsu University of Technology qhf_1@sina.com 
Lei Weining Jiangsu University of Technology leiweining@jsut.edu.cn 
Liu Weiqiao 江苏理工学院化学与环境工程学院  
Tan Heng 江苏理工学院机械工程学院  
Shen Yu 江苏理工学院机械工程学院  
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Abstract:
      : The coupling field of electrodepositing process under the supercritical fluid was simulated by COMSOL Multiphysics software to study the distribution of the current density and the growth of the electrodepositing coating which was verified by the experimental supercritical composite electrodepositing coating. Simultaneously the surface morphology and microhardness of the experimental supercritical nickel-diamond electrodepositing coating were studied and discussed. The results show that the current density on cathodic edge is much higher than that of the middle section and the predicted growth of the electrodepositing coating accords with current density distribution. The error between predicted and experimental thickness of the central supercritical electrodepositing coating is smaller. The biggest microhardness of the composite supercritical electrodepositing coating can reach 951.47HV(200g), a figure that is 80% higher than that of ordinary composite electrodepositing coating. The supercritical composite electrodepositing coating has smooth surface and compact structure.