汤成建,孔德军

• 1:常州大学机械工程学院
• 2:江苏省材料表面科学与技术重点实验室

摘要(Abstract)：

采用阴极离子镀在H13钢表面制备了TiAlSiN涂层,通过扫描电镜、X射线衍射仪、原子力显微镜分析了涂层表面-界面形貌、物相和三维表面微观形貌。利用EDS面扫描分析了磨痕表面化学元素分布,讨论了高温对涂层摩擦磨损性能的影响。结果表明,TiAlSiN涂层表面主要元素由Ti、Al、Si和N组成,主要物相为(Ti,Al)N,未发现Si3N4相;高温氧化后生成的致密氧化膜Al2O3提高了涂层高温抗氧化性,Si O2降低了涂层表面摩擦因数,结构疏松的Ti O2易导致涂层破裂和剥落;TiAlSiN涂层表面粗糙度高于基体表面粗糙度,磨痕表面Ti和Al元素出现贫集区,表明涂层被磨穿;在700、800和900℃下,涂层表面摩擦因数均在0.3左右,在700℃时磨损机制主要为氧化磨损和粘着磨损,在800℃和900℃时主要为氧化磨损,伴随着少量粘着磨损和磨粒磨损。

关键词(KeyWords)： 阴极离子镀;TiAlSiN涂层;高温摩擦;磨损机制

Abstract:

Keywords:

基金项目(Foundation): 江苏省科技支撑计划(工业)(BE2014818)

作者(Author): 汤成建,孔德军

DOI: 10.13289/j.issn.1009-6264.2016.02.029

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