Tensor Model for Dynamic Damage of Ductile Metals over a Wide Range of Strain Rates

摘要：

Based on Ilyushin damage theory, the damage tensor was divided into volume partand deviatoric part. The volume damage describes microvoid behavior and deviatoric damagecharacterizes shear failure. Thermodynamics of irreversible processes in consideration of damage isapplied. The Gurson model is used for characterizing volume damage and strain accumulationdamage model for deviatoric damage. The presented model is applicable to analysis of ductile failureover a wide range of the stress state triaxiality corresponding to wide range of strain rates fromquasistatic tension to high pressure shock.

关键词： dynamic damage tensor model metal

作者: Xicheng HUANG

作者单位: Institute of Structural Mechanics,China Academy of Engineering Physics,Mianyang,621900

会议类型: 国内会议

会议名称: 第十三届现代数学和力学学术会议(MMM-XIII)暨钱伟长诞辰100周年纪念大会

会议地点: 上海

会议语种:英文

页码: 1-3

在线出版日期: 2012-10-05（万方平台首次上网日期，不代表论文的发表时间）