镁合金半固态触变压铸技术研究现状  

Research on Semi-solid Thixo-diecasting Technologies of Magnesium Alloy

作　　者：黄晓锋[1] 胥林营[2] 陈建波[1] 陈娟娟[2] 冯凯[1] 

机构地区：[1]兰州理工大学有色金属合金及加工教育部重点实验室,甘肃兰州730050 [2]兰州理工大学甘肃省有色金属新材料省部共建国家重点实验室,甘肃兰州730050

出　　处：《新技术新工艺》2010年第11期72-76,共5页New Technology & New Process

基　　金：甘肃省自然科学基金资助项目(3ZS062-B25-026)

摘　　要：镁合金半固态成形技术比普通成形技术有许多显著优点,对其展开探讨总结将有助于丰富半固态成形理论,加速半固态成形技术的工业化运用。本文在等温热处理方法制备半固态非枝晶组织取得的成果基础之上,概述了通过等温热处理方法制备镁合金半固态非枝晶组织的进展,总结了半固态等温热处理触变压铸成形技术的现状,指出了镁合金在半固态触变压铸中存在的一些问题,最后展望了镁合金半固态触变压铸的发展趋势。Magnesium alloy semi-solid forming technology has much more remarkable merits than the ordinary formed technique.The research on this technology is helpful to rich the theory of semi-solid metal forming and accelerate the application of this technology.On the basis of achievement,the piece summarizes the research progress that semi-solid isothermal treatment of magnesium alloys manufacturing non-dendritic structure slurry had been obtained and the thixo-dieing casting forming problems for the non-dendritic structure slurry of magnesium alloys.Finally,the development directions about the thixo-dieing casting forming of magnesium alloys were pointed out.

关 键 词：镁合金 半固态 触变压铸 数值模拟 

分 类 号：TG113.12[金属学及工艺—物理冶金] TG292[金属学及工艺—金属学]