李育,贺利乐,叶芳霞

• 1:西安建筑科技大学机电工程学院
• 2:陕西省表面工程与再制造重点实验室
• 3:西安文理学院机械与材料工程学院

摘要(Abstract)：

采用激光合金化技术在304不锈钢表面制备了具有TaC的合金化层。利用X射线衍射仪、扫描电镜、显微硬度计及摩擦磨损试验机等研究了激光功率对激光合金化层的物相组成、显微组织、显微硬度及磨损性能的影响。研究表明:合金化层的主要物相组成为TaC、FeNi和Cr_7C_3。在激光功率P=1000 W,扫描速度υ=1.5 mm/s时,合金化层的显微硬度最大,其平均显微硬度为1166.3 HV0.05,约是基体的3.43倍,其耐磨性约为304不锈钢基体的2倍。

关键词(KeyWords)： 304不锈钢;激光合金化;Ta;磨损

Abstract:

Keywords:

基金项目(Foundation): 陕西省自然科学基础研究计划项目(2019JQ-891);; 陕西省表面工程与再制造重点实验室天元开放基金项目(tywl2019-06);; 西安市科技计划项目(2020KJWL01);; 陕西省教育厅项目(20JS133);; 全国大学生创新创业计划训练项目(DC2020022)

作者(Author): 李育,贺利乐,叶芳霞

DOI: 10.13289/j.issn.1009-6264.2020-0051

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