孙斌斌;李玉芳;顾冬冬;

• 1:南京航空航天大学材料科学与技术学院

摘要(Abstract)：

采用高能球磨机,室温下在2024铝合金表面制得TiC/Al复合涂层。利用SEM,XRD、显微硬度测试和摩擦磨损测试等技术分析涂层的显微形貌、组织结构及力学性能并初步探讨涂层的形成机理。结果表明,在350r/min转速下球磨3h后,2024铝合金表面形成界面结合良好且平均厚度为20μm的TiC/Al复合涂层。涂层最大显微硬度值高达314HV0.1,是基体硬度值的2倍多。界面处的显微硬度呈现梯度变化,对合金层起到很好的缓冲和支撑作用。摩擦磨损测试表明,涂层有效地降低原有材料的摩擦因数,使其耐磨性得到一定程度的提高。

关键词(KeyWords)： 高能球磨;TiC/Al复合涂层;界面;显微硬度

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 孙斌斌;李玉芳;顾冬冬;

Email:

DOI: 10.14024/j.cnki.1004-244x.2010.01.006

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