Show simple item record

dc.contributor.authorFARZANEH, Sedigheh
dc.contributor.authorABDALLAH-ELHIRTSI, Sofiane
dc.contributor.authorESMAEILLOU, Bardia
dc.contributor.author
 hal.structure.identifier
NONY, Fabien
45202 CEA Le Ripault [CEA Le Ripault]
dc.contributor.authorBARON, A
dc.contributor.author
 hal.structure.identifier
TCHARKHTCHI, Abbas
86289 Laboratoire Procédés et Ingénierie en Mécanique et Matériaux [PIMM]
dc.date.accessioned2015
dc.date.available2015
dc.date.issued2014
dc.date.submitted2015
dc.identifier.issn1023-666X
dc.identifier.urihttp://hdl.handle.net/10985/9892
dc.description.abstractThis study concerns the effect of thermal aging on mechanical properties of polyurethane. Polyurethane samples were exposed at 85° and 120°C under inert atmosphere. Mechanical tests were carried out on these samples the aging period. Tensile tests were performed to see the effect of aging on elastic modulus (E), stress (σr), and strain (ϵr) at break. It was shown that there are two distinct periods. Due to aging, E and σr increase in the first period, then they decrease in the second period. ϵr decreases first and then increases. Fatigue tests were performed on unaged and aged samples. It was shown that the fatigue behavior of polyurethane (PU) is improved the same way during the first stage of aging. In the second step, the number of cycles to failure increases due to aging. The results show that aging has an important effect on mechanical properties of PU. The strain at break decreases during the first step of aging due to post-cross-linking and then increases due to chain scission in the network. Based on these results, the effect of cross-linking and chain scission on the mechanical properties of PU was discussed.
dc.language.isoen
dc.publisherTaylor & Francis
dc.rightsPost-print
dc.subjectFatigue behavior
dc.subjectMechanical properties
dc.subjectPolyurethane
dc.subjectThermal aging
dc.titleThermal Aging Effect on Mechanical Properties of Polyurethane
ensam.embargo.terms1 Month
dc.identifier.doi10.1080/1023666X.2014.932644
dc.typdocArticle dans une revue avec comité de lecture
dc.localisationCentre de Paris
dc.subject.halChimie: Matériaux
dc.subject.halChimie: Polymères
dc.subject.halSciences de l'ingénieur: Mécanique: Mécanique des matériaux
ensam.audienceInternationale
ensam.page571-584
ensam.journalInternational Journal of Polymer Analysis and Characterization
ensam.volume19
ensam.issue7
hal.identifierhal-01191410
hal.version1
hal.submission.permittedupdateMetadata
hal.statusaccept
dc.identifier.eissn1563-5341


Files in this item

Thumbnail

This item appears in the following Collection(s)

Show simple item record