国洪建,贾均红,梁补女,张振宇,林小军

• 1:兰州工业学院机械工程系
• 2:中国科学院兰州化学物理研究所固体润滑国家重点实验室

摘要(Abstract)：

针对我国多泥沙河流上水电站水轮机过流部件的磨损问题,在Fe/WC喷涂材料中添加一定量的纳米级WC、Ni、CeO2粉体,采用亚音速火焰喷涂技术在Q235基体上制备涂层,利用光学显微镜、电子显微镜、X射线衍射仪及能谱仪等设备进行显微组织观察、物相及微区成分分析,探讨纳米粉体对喷涂层显微组织的影响。结果表明,适量的纳米粉体可以细化涂层组织,改善涂层组织形态,减少涂层中的孔隙,提高涂层的致密性,增强涂层的冶金结合。

关键词(KeyWords)： 纳米粉体;亚音速火焰喷涂;Fe/WC涂层;显微组织

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金项目(50972148);; 甘肃省自然科学基金项目(1107RJZ119);; 兰州工业学院青年科技创新计划项目(13K-012)

作者(Author): 国洪建,贾均红,梁补女,张振宇,林小军

DOI: 10.13289/j.issn.1009-6264.2013.09.008

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