任超,高琦,薛彦鹏,王兰花

• 1:山西工学院材料工程学院
• 2:北京科技大学国家材料服役安全测试中心
• 3:烟台科技学院智能工程学院

摘要(Abstract)：

采用机械研磨辅助直流电镀法，在碳钢表面制备出了连续致密的镍镀层。利用场发射扫描电镜、透射电镜、能谱仪、X射线衍射仪、原子力显微镜等研究了镀层的形貌、微观结构和粗糙度；利用维氏硬度计和摩擦磨损仪测试镀层的硬度和摩擦系数；采用Tafel动态极化曲线和电化学阻抗测试比较机械研磨辅助镀层和未施加机械研磨镀层的耐蚀性。结果表明：与传统电镀镀层相比，机械研磨辅助制备的Ni镀层为纳米级的细晶结构，表面更光滑，且具有更高的硬度和更低的摩擦系数，较传统镀层分别提高了1倍和降低了11.8%;极化曲线和电化学阻抗谱图表明，纳米晶态Ni镀层具有较低的腐蚀电流密度，较大的容抗弧和较高的阻抗模量，表明MA辅助电镀镍镀层具有较高的耐腐蚀性能。

关键词(KeyWords)： 机械磨损辅助电镀;微观结构;力学性能;耐腐蚀性能

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 任超,高琦,薛彦鹏,王兰花

DOI: 10.13289/j.issn.1009-6264.2024-0302

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