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超音速等离子喷涂法制备La2O3和CeO2掺杂CoCrW涂层的摩擦学性能研究

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Indexed by:期刊论文

Date of Publication:2007-06-30

Journal:科学通报

Included Journals:PKU、ISTIC

Volume:52

Issue:12

Page Number:1467-1473

ISSN No.:0023-074X

Key Words:超音速等离子喷涂;CoCrW涂层;稀土氧化物;摩擦学性能

Abstract:利用一种新型的超音速等离子喷涂方法制备了稀土氧化物掺杂CoCrW涂层. 通过X射线衍射仪、接触表面形貌仪、显微硬度测试仪、多功能摩擦磨损试验机和具有EDS能谱的环境扫描电子显微镜对涂层的相结构、表面形貌、显微硬度、摩擦磨损性能进行了研究. 实验结果显示, 稀土氧化物掺杂涂层具有很高的显微硬度和优越的摩擦学性能. 同时, 对涂层的摩擦和磨损机理进行了研究.

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