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利用超声显微镜（Ａｃｏｕｓｔｉｃ ｍ ｉｃｒｏｓｃｏｐｅ）观察了大气等离子喷涂Ａｌ２Ｏ３－４０％ ＺｒＯ２ 涂层的磨损过程，研究了塑性材料和脆性材料在磨损机理方面的差别，并通过扫描电子显微镜对其结果加以验证．
The wear process of Al2O3-40% ZrO2 coating by atmospheric plasma spraying was observed by using an acoustic microscope. The difference in wear mechanism between the plastic material and the brittle material was investigated and the results were verified by scanning electron microscopy.