低温深冷表面处理提高Mg-PSZ陶瓷耐磨性研究.PDF

1996 4 M g- PSZ 单慧波 谈家琪 袁启明 ( 300072) M g- PSZ , , 1. 3 1% 0. 74 % , M g- PSZ : , M g- PSZ, Wear Resistance Improvement of Mg- PSZ Ceramics by Negative Temperature Surface Treatment Shan H ui bo Tan Jiaqi Yuan Qim im ( A dvanced Ceramice Ins i u e, T ianjin Universi y) Abstract T he w ear resis ance of M g- PSZ ceramics w as significan ly impro ved u sing neg a ive empera ure surf ace r ea men , and he w ear ra e decr eased o 44 % and 63% a low and high speed w ear condi ions respec ively . T his be haviour w as ascribed o he compressive s r ess on he sur face layer of M g- PSZ by he M ar ensi ic ransfo rma ion of zirconia, af er he nega iv e empera ure rea men . Key words w ear r esis ance, M g- P SZ, nega ive- empera ure uea men , surf ace rea men 1. 前言 , Y T ZP , , M g- P SZ , , , ( ) , , , , 11 1996 4 14 3. 实验结果与讨论 100m , 31 Mg -