IMECH-IR  > 力学所知识产出(1956-2008)
线弹性破断时复合型裂纹顶端塑性区的研究
高桦; 张晓堤
Source Publication金属学报
1981
Volume17Issue:1Pages:73-82
ISSN0412-1961
Abstract本文基于超高强度钢复合型脆断的实验结果,利用线弹性近似分析和弹塑性有限元分析,对不同的K_(Ⅱ)/K_Ⅰ值脆断的试样,在临界状态时裂纹顶端的塑性区进行了研究,得到了裂纹起始扩展时塑性区的形状和尺寸、裂纹顶端周围应力、应变以及应变能密度的分布情况。根据这些结果,对复合型裂纹扩展阻力的影响因素提出了看法,对现有的复合型断裂准则做了讨论。
Keyword塑性区尺寸 复合型裂纹 应变能密度 线弹性 弹塑性有限元分析 复合型断裂准则 临界状态 塑性功 平面应变条件
Language中文
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/38130
Collection力学所知识产出(1956-2008)
Corresponding Author高桦
Recommended Citation
GB/T 7714
高桦,张晓堤. 线弹性破断时复合型裂纹顶端塑性区的研究[J]. 金属学报,1981,17,1,:73-82.
APA 高桦,&张晓堤.(1981).线弹性破断时复合型裂纹顶端塑性区的研究.金属学报,17(1),73-82.
MLA 高桦,et al."线弹性破断时复合型裂纹顶端塑性区的研究".金属学报 17.1(1981):73-82.
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