NDLI: Modélisation de la tenue en fatigue des aciers à transformation de phase austénite martensite après grenaillage de précontrainte

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Modélisation de la tenue en fatigue des aciers à transformation de phase austénite martensite après grenaillage de précontrainte

Content Provider	Semantic Scholar
Author	Mauduit, Clément Kubler, Régis Barrallier, Laurent Berveiller, Sophie Puydt, Quentin
Copyright Year	2015
Abstract	Le grenaillage de precontrainte a pour but d’augmenter la duree de vie des materiaux traites en introduisant des contraintes residuelles de compression. Cette etude porte sur la modelisation de la tenue en fatigue d’aciers grenailles et plus particulierement d’aciers a transformation austenite-martensite sous sollicitation. L’approche utilise la des elements-finis. L’introduction des contraintes residuelles est obtenue par dilatation thermique fictive. Cette methode est utilisee pour generer un gradient de contraintes initial dans une eprouvette sollicitee en flexion pure et concue pour les essais de fatigue. Un post-traitement en fatigue utilisant le critere de fatigue multiaxial de Crossland est presente et applique a cette eprouvette de flexion.
Starting Page	1
Ending Page	1
Page Count	1
File Format	PDF HTM / HTML
Alternate Webpage(s)	https://hal.archives-ouvertes.fr/hal-01172049/document
Alternate Webpage(s)	http://documents.irevues.inist.fr/bitstream/handle/2042/57621/69728.pdf?sequence=1
Alternate Webpage(s)	https://sam.ensam.eu/bitstream/handle/10985/9720/MSMP-KUBLER_2015.pdf;jsessionid=8B79DE84CEF738B9E214C6AC4590209B?sequence=3
Alternate Webpage(s)	https://sam.ensam.eu/bitstream/handle/10985/9720/MSMP-KUBLER_2015.pdf?isAllowed=y&sequence=3
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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