陶瓷磨削的表面/亚表面损伤

磨削是目前工程陶瓷的主要加工方法，本文主要对国内外在陶瓷磨削后工件表面／亚表面损伤（主要是微裂纹和表面残余应力）方面所作的研究成果进行了总结、分析和讨论，提出了一些有待研究的问题及其研究思路。同时就作者所承担项目“纳米结构材料精密磨削及其预报”研究中的临界砂轮磨粒切深（dc)和被磨工件临界损伤深度Cr(临界中位裂纹长度）的预测模型进行了分析，并建立了临界砂轮磨粒切深（dc)理论模型。

Surface/Subsurface Damage in Ceramic Grinding

The grinding is the most important method for the machining of engineering ceramic. The reseach development of the surface/subsurface damage (such as surface/subsurface microcracks,surface residual stresses) in ceramic grinding was reviewed, analysed and discussed.The involved problem to be studied and its studying method can be found. The modeling of the critical depth of cut and critical crack length of grinding of nanostructured ceramic material was also tried to deal with, which are the two models to be established in the work of 863 project the authors are studying. The model of the critical depth of cut( d c)is set up.