A series of friction and wear tests were carried out on Si3N4 ceramic against metal pairs using a ring on block wear test machine, under paraffin oil and paraffin oil added with 0.5% ZDDP additive lubrication condition.

• 用环块磨损试验机，在石蜡基础油及石蜡基础油加0.；5%25ZDDP添加剂的润 滑条件下，对Si3nN4陶瓷－金属摩擦副进行了磨擦磨损试验。