About: PARTICLE-FILLED DENTAL COMPOSITE: SHRINKAGE INDUCED RESIDUAL STRESSES AND OVERALL MECHANICAL PROPERTIES

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	This work is focused on simulation of the shrinkage phenomenon and its influence on overall elastic modulus of the composite and experimental verification of results. Its motivation is the discrepancy between elastic moduli in uniaxial compression and tension. Its main contribution is a hypothesis linking this discrepancy with the mentioned phenomenon of polymerization shrinkage. The residual stress field after shrinkage is computed and its effect on the tangent stiffness of certain material points is discussed. A parametric FE model with varying volume fraction and distribution of particles is built. The plasticity model used to simulate resins behaviour has critical influence on the results. It is hypothesized, that the residual stresses beyond the yield stress weaken the model response in the compressive direction. Presented hypothesis is proven using the simplest von Mises criterion and further explored using the more realistic Drucker-Prager criterion. This work is focused on simulation of the shrinkage phenomenon and its influence on overall elastic modulus of the composite and experimental verification of results. Its motivation is the discrepancy between elastic moduli in uniaxial compression and tension. Its main contribution is a hypothesis linking this discrepancy with the mentioned phenomenon of polymerization shrinkage. The residual stress field after shrinkage is computed and its effect on the tangent stiffness of certain material points is discussed. A parametric FE model with varying volume fraction and distribution of particles is built. The plasticity model used to simulate resins behaviour has critical influence on the results. It is hypothesized, that the residual stresses beyond the yield stress weaken the model response in the compressive direction. Presented hypothesis is proven using the simplest von Mises criterion and further explored using the more realistic Drucker-Prager criterion. (en)
Title	PARTICLE-FILLED DENTAL COMPOSITE: SHRINKAGE INDUCED RESIDUAL STRESSES AND OVERALL MECHANICAL PROPERTIES PARTICLE-FILLED DENTAL COMPOSITE: SHRINKAGE INDUCED RESIDUAL STRESSES AND OVERALL MECHANICAL PROPERTIES (en)
skos:prefLabel	PARTICLE-FILLED DENTAL COMPOSITE: SHRINKAGE INDUCED RESIDUAL STRESSES AND OVERALL MECHANICAL PROPERTIES PARTICLE-FILLED DENTAL COMPOSITE: SHRINKAGE INDUCED RESIDUAL STRESSES AND OVERALL MECHANICAL PROPERTIES (en)
skos:notation	RIV/68407700:21220/11:00186274!RIV12-MSM-21220___
http://linked.open...avai/riv/aktivita	S
http://linked.open...avai/riv/aktivity	S
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Mareš, Tomáš Prejzek, Ondřej
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	České vysoké učení technické v Praze / Fakulta strojní
http://linked.open...dnocenehoVysledku	219643
http://linked.open...ai/riv/idVysledku	RIV/68407700:21220/11:00186274
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Dental Composite, Polymerization Shrinkage, Residual Stress, FEM. (en)
http://linked.open.../riv/klicoveSlovo	Dental Composite FEM. Polymerization Shrinkage Residual Stress
http://linked.open...ontrolniKodProRIV	[6BC639CDF47F]
http://linked.open...v/mistoKonaniAkce	Barcelona
http://linked.open...i/riv/mistoVydani	Barcelona
http://linked.open...i/riv/nazevZdroje	Proceedings of II International Conference on Particle-based Methods
http://linked.open...in/vavai/riv/obor	JI
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...UplatneniVysledku	2011
http://linked.open...iv/tvurceVysledku	Mareš, Tomáš Prejzek, Ondřej
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2011-10-26 (xsd:date)
number of pages	10 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Universidad Politechnica de Catalunya
https://schema.org/isbn	978-84-89925-69-4
http://localhost/t...ganizacniJednotka	21220

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