任鑫,王港,孙涛,吴双全,霍欢,王浩雨

• 1:辽宁工程技术大学材料科学与工程学院
• 2:马鞍山学院腾讯云大数据学院

摘要(Abstract)：

研究了镀液中纳米TiC的添加量对双脉冲电沉积Ni-TiC复合镀层结构及性能的影响。通过扫描电镜(SEM)和X射线衍射(XRD)对镀层的表面形貌和物相进行了表征，并研究了镀层的表面粗糙度、显微硬度、耐磨性能和耐腐蚀性能。结果表明：当镀液中TiC浓度较低时，复合镀层表现为类似于纯Ni镀层的胞状沉积结构。当镀液中TiC浓度较高时，复合镀层表现为菜花状沉积结构。当纳米TiC浓度为8 g/L时，镀层表面致密性相对较高，Ni的衍射峰有明显的宽化现象。随着镀液中纳米TiC浓度的升高，复合镀层的磨损质量损失比表现为先下降后上升的趋势，当TiC浓度为8 g/L时，磨损质量损失比最小，为5.436%。当镀液中纳米TiC浓度为8 g/L时，镀层的自腐蚀电流密度最小，极化电阻值最大。结果表明双向脉冲电沉积制备Ni-TiC复合镀层镀液中最佳纳米TiC浓度为8 g/L。

关键词(KeyWords)： 双向脉冲电沉积;纳米TiC;镍基复合镀层;微观结构;性能

Abstract:

Keywords:

基金项目(Foundation): 2023年度辽宁省教育厅基本科研项目(JYTMS20230790)

作者(Author): 任鑫,王港,孙涛,吴双全,霍欢,王浩雨

DOI: 10.13289/j.issn.1009-6264.2023-0349

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