铝质轻合金固液混合铸造的研究  

Investigation of Mixed Solid-liquid Casting Technology of Aluminum Alloy

作　　者：刘劲松[1] 蒲玉兴[2] 陈振华[2] 何建军[2] 

机构地区：[1]长沙航空职业技术学院,湖南长沙410124 [2]湖南大学材料科学与工程学院,湖南长沙410082

出　　处：《铸造技术》2008年第9期1206-1209,共4页Foundry Technology

基　　金：国家自然科学基金资助项目(50274037)

摘　　要：固液混合铸造是一种新型的材料制备技术。结合固液混合铸造Al-Mn、Al-Cr、Al-Cu等合金的具体研究工作,综合介绍了固液混合铸造技术的研究状况。当前研究表明,固液混合铸造技术能有效细化合金晶粒,提高材料的力学性能,且工艺简单、生产成本低廉、能成形复杂形状件和大件,具有一定的研究和应用价值。Mixed solid-liquid casting is a novel preparation technology of materials. Based on the research of Al-Mn and Al-Cr alloys prepared by this technology, the research status of mixed solid- liquid casting technology is summarized. The present results indicates that the technology can refine grains efficiently and improve the mechanical properties. The mixed solid-liquid casing is a simple processing that can be utilized to prepare pre-forms with complex structures and large dimensions at lower costs, and has a significance in research and application.

关 键 词：铝合金 半固态加工 固液混合铸造 

分 类 号：TG292[金属学及工艺—铸造]