陶莉莉;刘世英

1:山东交通学院汽车工程系

2:山东大学能源与动力工程学院

    摘要：随着发动机强化程度的不断提高,要求活塞具有更好的抗机械疲劳性能和抗热疲劳性能。本文根据中重型发动机活塞的使用状况及失效模式,介绍了活塞材料的研究现状、结构设计特点及活塞的冷却技术等,研究提高活塞可靠性和寿命的途径。

    关键词： 活塞;;锻造;;液态模锻;;陶瓷纤维强化

      Abstract: Higher fatigue strength for the thermal and mechanical load were demanded by the heavy duty engine piston due to the critical requirement of the engine.According the application and invalidations of the piston,the study of the piston material and the modern configuration design character also including the cooling capacity were illuminated concentratedly for improving the piston durability and life.

       Keywords: Piston;Forged;Liquid Squeeze;Ceramic Fibred Reinforcement

参考文献：

[1]刘达利,齐丕骧.新型铝活塞.国防工业出版社,1999

[2]VOLT,Dr rer nat.Design analysis of the piston system:T&Nsymposium 1995..paper15

[3]周颖,李风军,贾凤兰等.汽车设计手册.长春汽车研究所,1998:184-207