镁合金板材特殊轧制技术的研究进展  

Research Progress for Special Rolling Technology of Magnesium Alloy Sheet

作　　者：魏琳俊[1] 杨寿智[2] 夏伟军[1] 邓朝晖[2] 刘灵[1] 

机构地区：[1]湖南大学材料科学与工程学院,长沙410082 [2]湖南大学机械与运载工程学院,长沙410082

出　　处：《机械工程材料》2012年第11期14-18,40,共6页Materials For Mechanical Engineering

基　　金：广东省教育部产学结合项目(2010B090400254);广东省科技计划项目(2010B031700012)

摘　　要：分析了限制镁合金板材应用发展的关键技术瓶颈和内在根源,在对等径角轧制、异步轧制、累计叠轧和反复单向弯曲等镁合金板材特殊轧制技术的研究现状及其基本原理、特点和应用进行全面归纳总结的基础上,指出剪切变形在镁合金板材成形中具有重要意义,开发或采用特殊制备技术并实现板材轧制过程中的晶粒细化、孪晶控制和织构调整是促进镁合金板材应用发展最行之有效的方法之一。The key technological bottlenecks and root causes for the development of the magnesium alloy sheet are analyzed. The fundamental principle, characteristics and applications of several special rolling technologies of magnesium alloy sheet, including equal channel angular rolling （ECAR）, differential speed rolling, accumulative roll-bonding （ARB）, repeated unidirectional bending （RUB） are well reviewed and summarized. It is point that shear deformation plays a pivotal role in magnesium alloy sheet forming process and one of the most effective way to promote the development of the magnesium alloy sheet is to develop or use special rolling technology, because the grain is refined, twin crystal is controlled and the texture is adjusted during rolling process.

关 键 词：镁合金 特殊轧制技术 等径角轧制 异步轧制 累计叠轧 反复单向弯曲 

分 类 号：TG146.22[一般工业技术—材料科学与工程]