碳纤维表面处理及熔盐电镀Al涂层的研究

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英文篇名：Surface Treatment and Molten Salt Electroplating Al Coating on Carbon Fiber 作者：赵雪妮 ; 杨建军 ; 何富珍 ; 张黎 ; 王瑶 ; 张伟刚 ; 刘庆瑶 英文作者：ZHAO Xueni;YANG Jianjun;HE Fuzhen;ZHANG Li;WANG Yao;ZHANG Weigang;LIU Qingyao;College of Mechanical and Electrical Engineering,Shaanxi University of Science & Technology; 关键词：混合酸处理 ; 无机熔盐 ; 镀铝层 ; 碳纤维 英文关键词：mixed acid treatment;;inorganic molten salt;;aluminum coated;;carbon fiber 中文刊名：CLDB 英文刊名：Materials Reports 机构：陕西科技大学机电工程学院; 出版日期：2019-02-25 出版单位：材料导报 年：2019 期：v.33 基金：国家自然科学基金(51772179;51072107);; 凝固技术国家重点实验室(西北工业大学)开放课题(SKLSP201823);; 陕西省重点研发计划项目(2018GY-168);; 陕西省自然科学基金项目(2014JM6233);; 陕西科技大学学术骨干培育计划项目(XSGP201208);陕西科技大学博士科研启动基金(BJ13-09);; 陕西省大学生创新创业训练计划项目(201710708040;201810708022)~~ 语种：中文; 页：CLDB201904022 页数：5 CN：04 ISSN：50-1078/TB 分类号：109-113

摘要

通过对碳纤维(CF)进行混合酸处理后,采用AlCl3-NaCl-KCl三元无机熔盐体系在CF表面电镀获得Al涂层。对处理后CF的形貌及性能进行表征,并研究了不同的电镀工艺对涂层厚度、形貌、结构及性能的影响。结果表明,经过混合酸处理后CF表面粗糙度及比表面积增大,润湿性得到改善,处理后CF的拉伸性能呈小幅上升。电镀工艺参数对于涂层的厚度及形貌影响显著。随着电镀时间的增加,涂层厚度增加;当电流密度改变时,Al涂层形貌结构变化明显;电镀时间为3 h、电流密度为35 mA/cm2时,得到的涂层均匀致密。
        Mixed acid treatment of carbon fiber(CF) was first carried out,and then Al coating was plated on CF surface by adopting AlC l3-NaC l-KCl ternary inorganic molten salt system. The morphology and properties of the treated CF were characterized,and the effects of diverse plating processes on the thickness,morphology structure and properties of the coatings were studied. It could be found from the results that there was an obvious increase in surface roughness and specific surface area of CF after the treatment by mixed acid. Meanwhile,the wettability of CF surface was improved,and the tensile properties of CF showed a slight increase. Furthermore,the electroplating process parameters exerted a notable effect on the thickness and morphology of the coating. With the increase of the plating time,the coating thickness increased. In addition,morphology and structure of Al coating exhibited distinct changes when the current density varied. Uniform and compact coating could be achieved under the plating duration of 3 h and current density of 35 mA/cm2.

引文

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