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OALib Journal期刊
ISSN: 2333-9721
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nicrw--bn气路封严涂层的可刮削性评价
Keywords: 复合材料,？可刮削性,？高速刮擦法,？封严涂层,？可刮削
Abstract:
？用销--盘、单摆冲击划痕和高速刮擦三种试验方法,研究了两种nicrw--bn封严涂层的可刮削性。结果表明:封严涂层的可刮削性不同于耐磨性,即涂层的磨损量、比能耗和硬度等测量结果,不能单独作为其可刮削性的评价判据;评价封严涂层的可刮削性,应该综合涂层磨损、叶片磨损、摩擦系数和磨痕形貌等多方面的信息。封严涂层的可刮削性能受试验条件的影响十分明显,高速刮擦试验可模拟涂层工作参数(刮擦线速度、入侵速率等),可能重现其磨损现象,因此采用高速刮擦试验方法评价封严涂层的可刮削性更为合理。
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