孙一麟,杨军,崔方方,赵泳林,韩冰源

• 1:江苏理工学院汽车与交通工程学院
• 2:汽车动力传动与电子控制湖北省重点实验室
• 3:湖北汽车工业学院汽车工程学院

摘要(Abstract)：

采用等离子喷涂技术在ZL109铝合金表面制备了FeCoNiCrAl高熵合金涂层(HEC);采用X射线衍射仪、扫描电镜和能谱仪对不同喷涂功率(P=40、45和50 kW)制备的FeCoNiCrAl HEC进行了物相分析和微观形貌表征，并对其摩擦学性能进行了研究。结果表明：随着喷涂功率的增加，涂层的气孔、微裂纹等缺陷逐渐减少，孔隙率由2.29%降至0.51%;粉末和涂层均由体心立方(BCC)相组成；当P=50 kW时，涂层的显微硬度和结合强度最高，分别为434.4 HV0.1和55.3 MPa;涂层在不同摩擦条件下的磨损机制均为粘着磨损和磨粒磨损，涂层在干摩擦下的摩擦系数大于沙尘环境下的摩擦系数，磨痕深度、磨损体积和磨损率随着沙粒的加入和沙粒粒径的增大而增大。

关键词(KeyWords)： 沙尘环境;等离子喷涂;高熵合金涂层;摩擦学性能

Abstract:

Keywords:

基金项目(Foundation): 再制造技术国家级重点实验室基金资助项目(61420052023WD006);; 2023年江苏省研究生实践创新计划项目(SJCX23＿1606)

作者(Author): 孙一麟,杨军,崔方方,赵泳林,韩冰源

DOI: 10.13289/j.issn.1009-6264.2024-0588

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