【摘要】 论述了 Al- Si活塞合金的应用现状及存在的问题。对 Al- Si合金进行良好的变质处理及合金化 ,在提高使用性能的同时 ,适当降低 Si量是解决过共晶 Al- Si合金良好的使用性能与较差的生产工艺性能间矛盾的主要方法 ,是该合金今后发展的方向更多还原

【Abstract】 The application of Al Si piston alloy and problems need to be solved were summarized Modification and alloying of Al Si alloy can reduce the quantity of Si as well as improving application properties,which is an important means to solve the problems between the excellent application properties and the bad manufacturability properties It is also the development trend in the future更多还原