Publication detail
Crack Front Shape Based on Plastic Component of CTOD
KUBÍČEK, R. OPLT, T. VOJTEK, T. NÁHLÍK, L. HUTAŘ, P.
English title
Crack Front Shape Based on Plastic Component of CTOD
Type
abstract
Language
en
Original abstract
Crack closure slows down fatigue crack propagation and affects the crack front curvature. The purpose of this study was to determine the crack front curvature in the CT and MT specimens made of the EA4T steel, which were subjected to cyclic loading. The methodology of constant plastic component of CTOD along the crack front was used in finite element modeling. Results confirm negligible effect of the in-plane constraint on fatigue crack propagation, taking into account PICC.
English abstract
Crack closure slows down fatigue crack propagation and affects the crack front curvature. The purpose of this study was to determine the crack front curvature in the CT and MT specimens made of the EA4T steel, which were subjected to cyclic loading. The methodology of constant plastic component of CTOD along the crack front was used in finite element modeling. Results confirm negligible effect of the in-plane constraint on fatigue crack propagation, taking into account PICC.
Keywords in English
Plasticity-induced crack closure, CTOD, finite element method, crack front shape
Released
04.04.2022
Publisher
Czech Technical University in Prague
Location
Prague
ISBN
978-80-01-06974-5
Book
23rd International Scientific Conference APPLIED MECHANICS 2022 – Book of Abstracts
Pages from–to
61–64
Pages count
132