利用扫描声学显微镜(SAM)观察了三种不同成分的大气等离子喷涂(APS)涂层磨削加工后的亚表层显微结构,通过分析磨削后亚表层声学显微镜和抛光后表面扫描电子显微镜(SEM)的观察,并参照涂层断面的金相照片,证实了声学显微镜的亚表层观测能力,为研究涂层亚表层缺陷及其变化提供了一种新的技术手段,并根据涂层磨削加工后表层的变化情况,比较了三者的抗剪切强度.
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