The micro morphologies and textural characteristics of the pyrocarbon and fracture surfaces were observed by polarized light microscopy and SEM.
借助偏光显微镜及扫描电子显微镜观察了基体热
微观组织结构及
口形貌特征；
,高温石墨The micro morphologies and textural characteristics of the pyrocarbon and fracture surfaces were observed by polarized light microscopy and SEM.
借助偏光显微镜及扫描电子显微镜观察了基体热微观组织结构及口形貌特征；
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