浅析铸造铝活塞针孔、气孔的产生及防治

An analysis of the Cause and Prevention of the Pinholes and Air-holes in Cast Aluminum Pistons

文章论述了铸造铝活塞针孔、气孔的产生原因及其特征,分析了原辅材料、合金元素、熔炼时间、精练工艺、生产环境、气候等因素对产生针孔、气孔的影响,并提出了防治措施。

This article has explained the cause and characteristics of the pinholes and air- holes in east aiwninum pistons, analyzed the influence on the cause of pinholes and air - holes of raw and subsidiary materials, alloy elements, melting time, refining technique, producing environment and climate and proposed some preventions.