Al-Si系合金铸态晶粒细化技术的研究进展

介绍了目前使用最广的铸造合金Al—Si系合金的晶粒细化的现状及研究进展。对不同Al-Si合金的变质工艺，分别从机理、变质效果、综合成本以及适用性等方面进行了比较与分析，并且提出Al-Si系合金变质剂研究的最新思维和发展方向。

The Modification of Research and Development in Al-Si Cast Alloy

The modification in research and development of Al-Si cast alloy have been reviewed in this paper. The technical characteristics of different modification process, modification mechanism, modification effects, total costs and their development are compared and proposed. On the basis of analysis of existing problems,it is thought that developing a healthy,effective modification with high quality as well as related techniques is expected and necessary.