Investigation of plastic eta factors for clamped SE(T) specimens based on three-dimensional finite element analyses

被引：30
|
作者：
Huang, Yifan [1 ]
Zhou, Wenxing [1 ]
机构：
[1] Univ Western Ontario, Dept Civil & Environm Engn, London, ON N6A 5B9, Canada
来源：
ENGINEERING FRACTURE MECHANICS | 2014年 / 132卷
基金：
加拿大自然科学与工程研究理事会;
关键词：
J integral; Three-dimensional finite element analysis (3D FEA); Single-edge notched tension (SE(T)); eta(pl) factor; FRACTURE SPECIMENS; RESISTANCE CURVES; PART I; CONSTRAINT; TOUGHNESS; PIPELINES; GEOMETRY;
D O I：
10.1016/j.engfracmech.2014.10.028
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
Three-dimensional finite element analyses of clamped single-edge tension (SE(T)) specimens are performed to evaluate the plastic eta factors (i.e. eta(pl)) for computing the J-integral. The analysis covers both plane-sided and side-grooved specimens with a wide range of specimen configurations (a/W from 0.2 to 0.7 and B/W equal to 1 and 2) and strain hardening exponents (n = 5, 8.5, 10, 15 and 20). Based on the analysis results, a set of expressions for eta(pl) are proposed. (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码：120 / 135
页数：16
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