【摘要】 研究了陶瓷磨削表面变质层的产生机理。经扫描电镜观察发现了磨削表面非晶层的粘性行为和匀质化过程。采用物相分析和X射线衍射谱线分析证实了变质层中微晶的存在，通过能谱分析确定了非晶层的化学成分，在对玻璃相结构分析的基础上研究证实了A12O3陶瓷表面变质层是由碎(微)晶和玻璃态化合物组成的塑性层，并解释了表面晶粒的碎化机理。更多还原

【Abstract】 The generating mechanism of grinding surface degenerating layer of the ceramics is studied. Sticky behavior and even process of the surface degenerating layer are discovered by SEM. The presence of micro-crystals in the degenerating layer is verified by the method of phase analysis and X-ray diffraction. The chemical composition of the layer is determined by energy spectrum. On the basis of the analysis of the glassiness structure ,it is proved that the surface degenerating layers is made up of fragmental crystals or micro-crystals and glassiness compound. The cause of crystal fragmentation is explained.更多还原