Al-Sr中间合金制备及应用的发展现状  

Development status of preparation and application of Al-Sr master alloy

作　　者：程仁菊[1] 潘复生[1] 王维青[1] 

机构地区：[1]重庆大学材料科学与工程学院,重庆400030

出　　处：《轻合金加工技术》2006年第7期5-11,54,共8页Light Alloy Fabrication Technology

基　　金：国家"863"计划资助项目(2001AA331050)

摘　　要：综述了近些年来Al-Sr中间合金的发展现状,包括制备工艺,应用现状及用Al-Sr中间合金变质处理Al-Si合金存在的问题。介绍了Al-Sr中间合金组织形态对Al-Si合金变质效果的影响,以及改变中间合金组织形态的有关工艺;近年来锶与其他元素复合变质的研究进展;其他锶合金及锶在变质其他合金方面的应用。The development status of Al-Sr master alloys was reviewed,and more attention was paid to preparation process and application of Al-Sr master alloys.The influence of the structure change of Al-Sr master alloys on their modifying effects in the industrial alloys and the methods of changing the structure of Al-Sr master ＇alloys were introduced. Some problems related to applicatio of Al- Sr master alloys were analysed. The effects of composite modifier of Sr and other elements on the microstructure of Al-Si alloys were also discused.

关 键 词：AL-SR中间合金 制备工艺 锶 铸态组织 

分 类 号：TG131[一般工业技术—材料科学与工程]