铝合金一体化压铸技术研究进展  

Progress in Integrated Die Casting of Aluminum Alloys

作　　者：谭云骧 马聚怀 赵海东[2,3] 许庆彦 TAN Yunxiang;MA Juhuai;ZHAO Haidong;XU Qingyan(Key Laboratory for Advanced Materials Processing Technology,Ministry of Education,School of Materials Science and Engineering,Tsinghua University,Beijing 100084,China;South China University of Technology,Guangzhou 510640,China;National Engineering Research Center of Near-Net-Shape for Metallic Materials,Guangzhou 510640,China)

机构地区：[1]清华大学材料学院先进成形制造教育部重点实验室,北京100084 [2]华南理工大学,广州510640 [3]国家金属材料近净成形工程技术研究中心,广州510640

出　　处：《航空制造技术》2024年第14期66-75,共10页Aeronautical Manufacturing Technology

基　　金：北京市自然科学基金-小米创新联合基金(L223001)。

摘　　要：铝合金密度小、比强度高,广泛应用于航空航天和汽车领域的轻量化成形制造。一体化压铸技术生产大型复杂薄壁铸件,能有效帮助飞机、汽车减重增程,是重要的一体化成形技术。全面综述铝合金大型一体化压铸技术的发展,分析免热处理铝合金的成分设计与已开发的铝合金特点,介绍了国内外大型一体化压铸机和压铸模具的研制情况,归纳总结了一体化压铸件充型、凝固、缺陷、微观组织、热应力和疲劳寿命预测的数值模拟研究现状,对一体化压铸技术的发展提出展望。Aluminum alloys,known for their low density and high specific strength,are widely used in aerospace and automotive lightweight applications.Integrated die casting enables the production of large,complex,thin-walled castings,effectively aiding in weight reduction and range extension for aircraft and automobiles.This paper provides a comprehensive review of the development of large integrated die casting for aluminum alloys.It analyzes the compositional design of non-heat-treatment aluminum alloys and highlights the characteristics of the developed alloys.Additionally,it introduces the progress of domestic and international development of large integrated die casting machines and molds.The current state of numerical simulation research is summarized regarding mold filling,solidification,defects prediction,microstructure,thermal stress,and fatigue life prediction of integrated die casting parts.The paper concludes with a discussion of future developments in integrated die casting technology.

关 键 词：一体化压铸 免热处理铝合金 压铸机 数值模拟 

分 类 号：TG249.2[金属学及工艺—铸造]