【作者】 李雪松； 吴化； 杨悦； 杨友；

【Author】 LI Xue-song,WU Hua~*,YANG Yue,YANG You (Key Laboratory of Advanced Structrural Materials,Ministry of Education, Changchun University of Technology,Changchun Jilin 130012,China)

【机构】 长春工业大学先进结构材料省部共建教育部重点实验室；

【摘要】 本论文通过电沉积的方法制备纳米晶镍铁合金镀层,主要研究了光亮剂、电流密度、温度、pH值等工艺参数对镍铁合金镀层表面微观形貌及显微硬度的影响。采用扫描电子显微镜观察镀层微观形貌、X-ray射线衍射仪分析镀层相结构、HXD-1000显微硬度计测量镀层显微硬度。结果表明,光亮剂A添加量在2g/l光亮剂B添加量在0.5g/l时镀层表面显微形貌光亮性最好,工艺参数为;电流密度6A/dm~2、温度60℃、pH=3.5条件下获得的纳米晶合金镀层具有较好的综合性能。更多还原

【Abstract】 In this paper,the nanocrystalline Ni-Fe alloys were prepared by electrodeposition technique,The research work about the processing parameter(birghtener,current density,temperature,electrodeposition,pH value) have influence on micromorphology and microhardness.The microstructure of this nanocrystalline materials can be observed and analyzed by SEM XRD, and the microhardness of the coating was measured by HXD-1000 microhardness instrument.The results shows that the optimal quality coating with the brightener A 2g/l and brightener B 5g/l,the processing parameter:current density 6A/dm~2、temperature 60℃、pH = 3.5,the combination property nanocrystalline Ni-Fe coating were prepared.更多还原