The effects of mechanical properties and microstructure of ceramic balls ( zro2 , al2o3 , si3n4 and sic ) on their lapping were analyzed , and the lapped surface characteristics were explored with scanning electron microscopy ( sem ) 摘要通過試驗探索了氧化鋯、氧化鋁、氮化硅和碳化硅四種陶瓷球材料的性能和顯微結(jié)構(gòu)對加工效果的影響;采用掃描電鏡觀察了研磨后球的表面特征。