Numerical assessment of gray cast iron notched specimens by using a triaxiality-dependent Cohesive Zone Model

被引：7
|
作者：
Cendon, D. A. [1 ]
Jin, N. [2 ]
Liu, Y. [2 ]
Berto, F. [3 ]
Elices, M. [1 ]
机构：
[1] Univ Politecn Madrid, ETSI Caminos Canales & Puertos, C Prof Aranguren 3, E-28040 Madrid, Spain
[2] Beijing Inst Technol, State Key Lab Explos Sci & Technol, Beijing 10081, Peoples R China
[3] Univ Padua, Dept Management & Engn, Stradella S Nicola 3, I-36100 Vicenza, Italy
来源：
THEORETICAL AND APPLIED FRACTURE MECHANICS | 2017年 / 90卷
关键词：
Gray cast iron; Notched components; Cohesive Zone Model; Triaxiality; FRACTURE; STRAIN; COMPONENTS; ENERGY;
D O I：
10.1016/j.tafmec.2017.06.001
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
A triaxiality-dependent Cohesive Zone Model for the numerical prediction of failure loads of notched specimens under different loading modes is presented. Since the cohesive crack is modeled by means of the embedded crack approach, one can express the cohesive parameters with variables from the continuum, such as pressure or triaxiality. The model is validated by its application to two experimental campaigns previously developed by the authors on notched specimens subjected to mode I and III loadings respectively, made of gray cast iron, a strongly pressure dependent material. (C) 2017 Elsevier Ltd. All rights reserved.
引用
收藏
页码：259 / 267
页数：9
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