Crack tip fields in elastic-plastic and mixed mode I+II+III conditions, finite elements simulations and modeling

This paper is devoted to the analysis of the load path effect on I+II+III mixed mode fatigue crack propagation in a 316L stainless steel. Experiments were conducted in mode I+II and in mode I+II+III. The same maximum, minimum and mean values of the stress intensity factors were used for each loading...

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Main Authors: F. Fremy, S. Pommier, E. Galenne, S. Courtin
Format: Article
Language:English
Published: Gruppo Italiano Frattura 2015-06-01
Series:Fracture and Structural Integrity
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Online Access:https://www.fracturae.com/index.php/fis/article/view/1461
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author F. Fremy
S. Pommier
E. Galenne
S. Courtin
author_facet F. Fremy
S. Pommier
E. Galenne
S. Courtin
author_sort F. Fremy
collection DOAJ
description This paper is devoted to the analysis of the load path effect on I+II+III mixed mode fatigue crack propagation in a 316L stainless steel. Experiments were conducted in mode I+II and in mode I+II+III. The same maximum, minimum and mean values of the stress intensity factors were used for each loading path in the experiments. The main result of this set of experiments is that very different crack growth rates and crack paths are observed for load paths that are however considered as equivalent in most fatigue criteria. The experiments conducted in mode I+II and in mode I+II+III, also allowed to show that the addition of mode III loading steps to a mode I+II loading sequence is increasing the fatigue crack growth rate, even when the crack path is not significantly modified.
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issn 1971-8993
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series Fracture and Structural Integrity
spelling doaj-art-ab848658bbde4d18af51a88f00ee90772025-08-20T02:51:45ZengGruppo Italiano FratturaFracture and Structural Integrity1971-89932015-06-01933Crack tip fields in elastic-plastic and mixed mode I+II+III conditions, finite elements simulations and modelingF. FremyS. PommierE. GalenneS. CourtinThis paper is devoted to the analysis of the load path effect on I+II+III mixed mode fatigue crack propagation in a 316L stainless steel. Experiments were conducted in mode I+II and in mode I+II+III. The same maximum, minimum and mean values of the stress intensity factors were used for each loading path in the experiments. The main result of this set of experiments is that very different crack growth rates and crack paths are observed for load paths that are however considered as equivalent in most fatigue criteria. The experiments conducted in mode I+II and in mode I+II+III, also allowed to show that the addition of mode III loading steps to a mode I+II loading sequence is increasing the fatigue crack growth rate, even when the crack path is not significantly modified.https://www.fracturae.com/index.php/fis/article/view/1461Mixed mode
spellingShingle F. Fremy
S. Pommier
E. Galenne
S. Courtin
Crack tip fields in elastic-plastic and mixed mode I+II+III conditions, finite elements simulations and modeling
Fracture and Structural Integrity
Mixed mode
title Crack tip fields in elastic-plastic and mixed mode I+II+III conditions, finite elements simulations and modeling
title_full Crack tip fields in elastic-plastic and mixed mode I+II+III conditions, finite elements simulations and modeling
title_fullStr Crack tip fields in elastic-plastic and mixed mode I+II+III conditions, finite elements simulations and modeling
title_full_unstemmed Crack tip fields in elastic-plastic and mixed mode I+II+III conditions, finite elements simulations and modeling
title_short Crack tip fields in elastic-plastic and mixed mode I+II+III conditions, finite elements simulations and modeling
title_sort crack tip fields in elastic plastic and mixed mode i ii iii conditions finite elements simulations and modeling
topic Mixed mode
url https://www.fracturae.com/index.php/fis/article/view/1461
work_keys_str_mv AT ffremy cracktipfieldsinelasticplasticandmixedmodeiiiiiiconditionsfiniteelementssimulationsandmodeling
AT spommier cracktipfieldsinelasticplasticandmixedmodeiiiiiiconditionsfiniteelementssimulationsandmodeling
AT egalenne cracktipfieldsinelasticplasticandmixedmodeiiiiiiconditionsfiniteelementssimulationsandmodeling
AT scourtin cracktipfieldsinelasticplasticandmixedmodeiiiiiiconditionsfiniteelementssimulationsandmodeling