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dc.contributor.authorBettini S.H.P.
dc.contributor.authorAntunes M.C.
dc.contributor.authorMagnabosco R.
dc.date.accessioned2019-08-20T00:17:36Z
dc.date.available2019-08-20T00:17:36Z
dc.date.issued2011
dc.identifier.citationBettini, Sílvia H.P.; Antunes, Marcela C.; Magnabosco, Rodrigo. Investigation on the effect of a compatibilizer on the fatigue behavior of PP/coir fiber composites. Polymer Engineering and Science, v. n/a, n. n/a, p. n/a-n/a, 2011.
dc.identifier.issn0032-3888
dc.identifier.urihttps://repositorio.fei.edu.br/handle/FEI/2276
dc.description.abstractThe mechanical behavior of polypropylene (PP) and 30 wt% coir fiber reinforced PP composites, with and without compatibilizer, were assessed through monotonic (tensile and bending) and cyclic (fatigue) tests. Fatigue load controlled tests were conducted under tension loads at a frequency of 6 Hz. The fracture mechanism was accompanied by surface fracture analyses using both optical microscopy and scanning electron microscopy. The compatibilizer used was the PP grafted with maleic anhydride. The compatibilized composites exhibited longer fatigue life times. It was also concluded that the presence of coir fibers changed the preferential fatigue mechanism, because the fracture mechanism in PP was mainly caused by heat generated by viscous effects during solicitation (thermal fatigue), whereas in the compatibilized and noncompatibilized PP/coir composites the predominant fracture mechanism was mechanical fatigue. However, thermal fatigue was also observed in the composites, especially in the noncompatibilized ones. © POLYM. ENG. SCI., 2011. Copyright © 2011 Society of Plastics Engineers.
dc.relation.ispartofPolymer Engineering and Science
dc.rightsAcesso Restrito
dc.titleInvestigation on the effect of a compatibilizer on the fatigue behavior of PP/coir fiber composites
dc.typeArtigo de evento


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