【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。更多还原

【Abstract】 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.更多还原