铸造铝合金熔体处理技术发展现状  

Development Status of Melt Treatment Technologies of Cast Aluminum Alloy

作　　者：杜明 程颖[2] 张花蕊[2] 张虎[2] DU Ming;CHENG Ying;ZHANG Hua-rui;ZHANG Hu(Hangda Material Technologies(Zhucheng)Co.,Ltd.,Zhucheng 262200,Shandong,China;Research Institute of Technology,Beihang University,Beijing 100191,China)

机构地区：[1]诸城航大新材料技术有限公司,山东诸城262200 [2]北京航空航天大学前沿科学技术创新研究院,北京100191

出　　处：《铸造》2024年第6期738-745,共8页Foundry

基　　金：北京航空航天大学青年拔尖人才支持计划(YWF-22-L-1284);北京航空航天大学前沿交叉基金项目(YWF-23-Q-1097)。

摘　　要：铸造铝合金具有轻质、高比强度、铸造性能好等一系列优点,是一种优异的轻量化材料,在汽车行业具有广阔的应用前景。合金熔体质量对铸件最终性能具有重要影响,铸造前对其进行净化、晶粒细化和变质处理是获得高性能铸件的必要前提条件。本文介绍了铸造铝合金熔体纯净化技术、晶粒细化技术以及共晶Si变质处理技术的发展现状,以期为先进铝合金熔体处理技术的开发与应用提供参考。Cast aluminum alloy has several advantages such as lightweight,high specific strength and good casting properties,etc.It is an excellent lightweight material and has broad application prospects in automobile industry.The quality of alloy melt has an important effect on the final properties of the castings,and the purification,grain refinement and modification treatment before casting are necessary prerequisites for obtaining castings with high properties.This article introduces the development status of cast aluminum alloy′s purification technology,grain refinement technology and eutectic Si modification technology,aiming to provide reference for the development and application of the advanced aluminum alloy melt treatment technology.

关 键 词：铸造铝合金 熔体净化 晶粒细化 变质处理 

分 类 号：TP391.9[自动化与计算机技术—计算机应用技术]