Edge Dislocation Emission from an Elliptically Blunted Crack Tip with Surface Effects
会议名称:《中国力学学会学术大会'2009》
会议日期:2009年
学科分类:08[工学] 080102[工学-固体力学] 0801[工学-力学(可授工学、理学学位)]
基 金:国家自然科学基金(50801025,10872065,50634060) 教育部博士点基金(200805321015) 中国博士后基金(20080430151)资助项目
关 键 词:edge dislocation blunt crack surface stress dislocation emission
摘 要:The explicit expressions for critical stress intensity factors are derived for edge dislocation emission from an elliptically blunt crack with surface effects under modeⅠand modeⅡ*** influence of surface effects on dislocation emission criterion is *** result indicates the impact of the