ZHANG Yongqian, ZHANG Chonggao, DUAN Tianhui
（Hefei University of Technology∗Luoyang Bearing Research Institute）
Abstract: Effects of pore on the contacting fatigue life of ceramic balls were analyzed by the tests of fatigue life．A method for increasing the fatigue life of ceramic balls is suggested in this paper．
Keywords: ceramic ballcontacting fatigue lifeanalysis