镁合金动态力学性能的研究现状及发展方向

材料导报, 2010, 24(7): 80-89.

镁合金动态力学性能的研究现状及发展方向

王敬丰 ^1, , 凌闯 ^2, , 梁浩 ^3, , 赵亮 ^4, , 潘复生 ^5,

1.重庆大学国家镁合金材料工程技术研究中心,重庆,400044;重庆大学材料科学与工程学院,重庆,400044

2.重庆大学国家镁合金材料工程技术研究中心,重庆,400044;重庆大学材料科学与工程学院,重庆,400044

3.重庆大学国家镁合金材料工程技术研究中心,重庆,400044;中国工程物理研究院总体工程研究所,绵阳,621900

4.重庆大学国家镁合金材料工程技术研究中心,重庆,400044;重庆大学材料科学与工程学院,重庆,400044

5.重庆大学国家镁合金材料工程技术研究中心,重庆,400044;重庆大学材料科学与工程学院,重庆,400044

基金项目: 国家自然科学基金委员会-中国工程物理研究院联合基金资助项目(10876045) 重庆市科技攻关计划项目(CSTC;2008AB4114) 国家重点基础研究发展计划(973)资助项目(2007CB613704)

关键词：镁合金 , 变形机制 , 损伤形式 , 动态力学性能

Research Status and Development Direction in Dynamic Mechanical Properties of Magnesium Alloys

Keywords： magnesium alloys , deformation mechanism , damage form , dynamic mechanical property

概述了镁合金高应变加载条件下的塑性变形微观机制和损伤形式.综述了国内外镁合金动态力学性能的研究现状.针对镁合金动态力学性能的不足之处,指出未来镁合金动态力学性能研究的发展方向为:系统研究现有牌号镁合金的动态力学性能;探讨合金元素、加工工艺和热处理对镁合金动态力学性能的影响;构建镁合金动态本构方程.

The microstructure deformation mechanisms and damage form of magnesium alloys under high strain rate are described briefly. The research status in dynamic mechanical properties of magnesium alloys at home and abroad are summarized. The research insufficient in the dynamic mechanical properties is expounded. It is pointed out that the important development direction in the dynamic mechanical properties of magnesium alloys in the future are studying the dynamic mechanical properties of existing grade magnesium alloys, studying the impact of alloying elements, processing technique and heat treatment on dynamic mechanical properties of magnesium alloys, and construction of dynamic constitutive equations of magnesium alloys.

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