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ŠEVEČEK, O. BERMEJO, R. PROFANT, T. KOTOUL, M.
Original Title
Influence of the T-stress on the crack bifurcation phenomenon in ceramic laminates
Type
conference paper
Language
English
Original Abstract
The influence of the compressive residual stresses and layer thickness in ceramic laminates on the presence of the crack bifurcation phenomenon is numerically investigated in this contribution. Using the fracture criterion, based on the Finite Fracture Mechanics, the angle and type of crack propagation (single crack deflection/bifurcation) within the layers with large compressive stresses is investigated. Laminates with various thicknesses of the compressive layer and constant level of the compressive residual stresses are used for this purpose. In these cases, the level of the T-stress (in the vicinity of the crack tip) can play a role as a second parameter in the fracture criterion (next to the stress intensity factor) and as a consequence can this term influence the predicted crack propagation behaviour.
Keywords
Ceramic laminates;T-stress; crack bifurcation; Finite Fracture Mechanics
Authors
ŠEVEČEK, O.; BERMEJO, R.; PROFANT, T.; KOTOUL, M.
RIV year
2014
Released
1. 7. 2014
Publisher
Elsevier
Location
Trondheim, Norsko
ISBN
9781632669094
Book
20th European Conference on Fracture (ECF 2014)
Edition
Procedia Materials Science Volume 3
Edition number
1
2211-8128
Periodical
Procedia Materials Science
Year of study
3
Number
7
State
Kingdom of the Netherlands
Pages from
1062
Pages to
1067
Pages count
6
BibTex
@inproceedings{BUT108414, author="Oldřich {Ševeček} and Raul {Bermejo} and Tomáš {Profant} and Michal {Kotoul}", title="Influence of the T-stress on the crack bifurcation phenomenon in ceramic laminates", booktitle="20th European Conference on Fracture (ECF 2014)", year="2014", series="Procedia Materials Science Volume 3", journal="Procedia Materials Science", volume="3", number="7", pages="1062--1067", publisher="Elsevier", address="Trondheim, Norsko", doi="10.1016/j.mspro.2014.06.173", isbn="9781632669094", issn="2211-8128" }