【摘要】 为全面、准确认识球墨铸铁缩松形成机理,从球墨铸铁的凝固特性、凝固过程以及生产工艺等方面综合评述了球墨铸铁缩松形成机理的研究现状。对球墨铸铁的缩松形成机理中存在的一些问题或矛盾之处进行剖析和总结,且对下一步研究工作的方向进行展望。更多还原

【Abstract】 In this paper, an overview on porosity forming mechanism of spheroidal graphite iron is proposed based on its solidification characteristics, solidification process and the metallurgical factors. Some questions about porosity forming mechanism of spheroidal graphite iron are analyzed and summarized. It is forecasted that the direction of the research work as well.更多还原