Analysis of Stress Singularity near the Tip of Artificial Crack

被引：0
|
作者：
Li, Youtang [1 ]
Li, Huaiqing [1 ]
机构：
[1] Lanzhou Univ Technol, Minist Educ, Key Lab Digital Mfg Technol & Applicat, Lanzhou 730050, Peoples R China
来源：
ADVANCES IN FRACTURE AND DAMAGE MECHANICS XI | 2013年 / 525-526卷
关键词：
artificial crack; bi-material; stress singularity; eigen value; stress extrapolation method; FRACTURE DESIGN; MATRIX CRACK; V-NOTCH;
D O I：
10.4028/www.scientific.net/KEM.525-526.445
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
A generalized expression of the stress-singularity function at the tip of artificial crack is proposed, and a formula to calculate the stress intensity factor of artificial crack is obtained in the paper. The solutions of stress singularity of a cracked bi-materials beam under uniform tension and bending were computed. The results show that the degree of stress-singularity is determined by the exponent lambda at the tip of artificial crack, and the exponent lambda is, not only determined by materials parameter of artificial crack but also by angle.
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页码：445 / 448
页数：4
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