Multiaxial deformation and strain-induced crystallization around a fatigue crack in natural rubber
hal.structure.identifier | Matériaux, Procédés et Technologie des Composites | |
dc.contributor.author | RUBLON, Pierre | |
hal.structure.identifier | Matériaux, Procédés et Technologie des Composites | |
dc.contributor.author | HUNEAU, Bertrand | |
hal.structure.identifier | Matériaux, Procédés et Technologie des Composites | |
dc.contributor.author | VERRON, Erwan | |
dc.contributor.author | SAINTIER, Nicolas | |
hal.structure.identifier | Matériaux, Procédés et Technologie des Composites | |
dc.contributor.author | BEURROT, Stéphanie | |
hal.structure.identifier | Matériaux, Procédés et Technologie des Composites | |
dc.contributor.author | LEYGUE, Adrien | |
hal.structure.identifier | Synchrotron SOLEIL [SSOLEIL] | |
dc.contributor.author | MOCUTA, Cristian | |
hal.structure.identifier | Synchrotron SOLEIL [SSOLEIL] | |
dc.contributor.author | THIAUDIÈRE, Dominique | |
dc.contributor.author | BERGHEZAN, Daniel | |
dc.date.accessioned | 2021-05-14T09:50:20Z | |
dc.date.available | 2021-05-14T09:50:20Z | |
dc.date.issued | 2014 | |
dc.identifier.issn | 0013-7944 | |
dc.identifier.uri | https://oskar-bordeaux.fr/handle/20.500.12278/77278 | |
dc.description.abstractEn | The study of fatigue crack propagation in elastomers is an essential prerequisite to improve the service life of tire products. Natural rubber is a key compound in tires, because of its unique mechanical properties and more particularly its remarkable resistance to fatigue crack growth as compared to synthetic rubbers. To explain this resistance, the literature often mentions the phenomenon of strain-induced crystallization which takes place at fati- gue crack tips in natural rubber and then reinforces it. In the present study, an original experimental set-up that couples synchrotron radiation with a homemade mechanical fati- gue machine is developed to investigate both strain-induced crystallization and deforma- tion multiaxiality around fatigue cracks in natural rubber. During uninterrupted fatigue tests, recording of wide-angle X-ray diffraction patterns is performed in the crack tip region providing the two-dimensional spatial distribution of both crystallinity and principal strain directions. In particular, the influence of loading conditions on the size of the crystallized zone is investigated and related to fatigue crack growth rates. Finally, measurements of deformation multiaxiality, i.e. principal strain directions and change in thickness, obtained by this method are successfully compared with digital image correlation results. | |
dc.language.iso | en | |
dc.publisher | Elsevier | |
dc.subject.en | Digital image correlation | |
dc.subject.en | Synchrotron radiation | |
dc.subject.en | Natural rubber | |
dc.subject.en | Strain-induced crystallization | |
dc.subject.en | Fatigue crack | |
dc.title.en | Multiaxial deformation and strain-induced crystallization around a fatigue crack in natural rubber | |
dc.type | Article de revue | |
dc.identifier.doi | 10.1016/j.engfracmech.2014.04.003 | |
dc.subject.hal | Sciences de l'ingénieur [physics]/Mécanique [physics.med-ph]/Mécanique des matériaux [physics.class-ph] | |
bordeaux.journal | Engineering Fracture Mechanics | |
bordeaux.page | 59-69 | |
bordeaux.volume | 123 | |
bordeaux.hal.laboratories | Institut de Mécanique et d’Ingénierie de Bordeaux (I2M) - UMR 5295 | * |
bordeaux.institution | Université de Bordeaux | |
bordeaux.institution | Bordeaux INP | |
bordeaux.institution | CNRS | |
bordeaux.institution | INRAE | |
bordeaux.institution | Arts et Métiers | |
bordeaux.peerReviewed | oui | |
hal.identifier | hal-01010899 | |
hal.version | 1 | |
hal.origin.link | https://hal.archives-ouvertes.fr//hal-01010899v1 | |
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