Thermo-mechanical response of poly (lactic acid)/hydroxyapatite nanocomposites: Observations and modeling within the overstress concept

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dc.contributor.authorDüşünceli, Necmi
dc.contributor.authorDrozdov A.D.
dc.contributor.authorTheilgaard N.
dc.date.accessioned13.07.201910:50:10
dc.date.accessioned2019-07-16T08:22:59Z
dc.date.available13.07.201910:50:10
dc.date.available2019-07-16T08:22:59Z
dc.date.issued2013
dc.departmentMühendislik Fakültesi
dc.description.abstractExperimental investigation and constitutive modelling are conducted of the mechanical response of poly (lactic acid) (PLA)/hydroxyapatite (HA) nanocomposites at temperatures ranging from room temperature up to 50 °C. PLA is a biodegradable and biocompatible polymer widely used in medical applications. To enhance its mechanical properties, PLA is reinforced with hydroxyapatite. This work focuses on the effects of temperature and strain rate on the mechanical behaviour of PLA/HA composites under tension. Observations show that the presence of filler reduces tensile strength, but results in an increase in Young's modulus and elongation to break. The response of composites is brittle at room temperature, and it becomes ductile at elevated temperatures. The influence of temperature and strain rate is adequately described by the viscoplasticity model based on overstress (VBO).
dc.identifier.endpage35en_US
dc.identifier.issn1790-4439
dc.identifier.issue2en_US
dc.identifier.scopusqualityN/A
dc.identifier.startpage31en_US
dc.identifier.urihttps://hdl.handle.net/20.500.12451/2683
dc.identifier.volume9en_US
dc.indekslendigikaynakScopus
dc.language.isoen
dc.relation.ispartofJournal of Nanostructured Polymers and Nanocomposites
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectBiocomposites
dc.subjectMechanical Behaviour
dc.subjectModelling
dc.subjectPoly (lactic acid)
dc.titleThermo-mechanical response of poly (lactic acid)/hydroxyapatite nanocomposites: Observations and modeling within the overstress concept
dc.typeArticle

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