About: Modelling of ductile fracture for sub-sized three-point-bend geometry

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The contribution deals with the simulation of R-curve using complete Gurson model of ductile fracture. The R-curve was experimentally determined for a Eurofer97 steel on sub-sized three-point-bend geometry in previous study. To apply complete Gurson model the parameters describing the voids´ behaviour and characteristic length parameter need to be determined. The nucleation parameters were identified by single specimen method of smooth tensile test specimen and from metallographic examination of fracture micro-mechanism. The characteristic length parameter was derived by fitting load versus deflection curves of sub-sized specimens. The simulations of the tests were carried out by software ABAQUS in Standard and Explicit modules. The identification was supported by parametric studies. Comparing experimental and simulated R-curve the ductile tearing was not successfully achieved. Insufficient calibrated parameters as a result non-uniqueness problem of single specimen method were found. The contribution deals with the simulation of R-curve using complete Gurson model of ductile fracture. The R-curve was experimentally determined for a Eurofer97 steel on sub-sized three-point-bend geometry in previous study. To apply complete Gurson model the parameters describing the voids´ behaviour and characteristic length parameter need to be determined. The nucleation parameters were identified by single specimen method of smooth tensile test specimen and from metallographic examination of fracture micro-mechanism. The characteristic length parameter was derived by fitting load versus deflection curves of sub-sized specimens. The simulations of the tests were carried out by software ABAQUS in Standard and Explicit modules. The identification was supported by parametric studies. Comparing experimental and simulated R-curve the ductile tearing was not successfully achieved. Insufficient calibrated parameters as a result non-uniqueness problem of single specimen method were found. (en)
Title	Modelling of ductile fracture for sub-sized three-point-bend geometry Modelling of ductile fracture for sub-sized three-point-bend geometry (en)
skos:prefLabel	Modelling of ductile fracture for sub-sized three-point-bend geometry Modelling of ductile fracture for sub-sized three-point-bend geometry (en)
skos:notation	RIV/68081723:_____/12:00385658!RIV13-GA0-68081723
http://linked.open...avai/predkladatel	Ústav fyziky materiálů AVČR, v.v.i.
http://linked.open...avai/riv/aktivita	I P S
http://linked.open...avai/riv/aktivity	I, P(GAP107/10/0361), P(GD106/09/H035), S
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Hadraba, Hynek Dlouhý, Ivo Stratil, Luděk Kozák, Vladislav
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	Ústav fyziky materiálů AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	151101
http://linked.open...ai/riv/idVysledku	RIV/68081723:_____/12:00385658
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	complete Gurson model; single specimen approach; Eurofer97; R-curve (en)
http://linked.open.../riv/klicoveSlovo	Eurofer97 R-curve single specimen approach complete Gurson model
http://linked.open...ontrolniKodProRIV	[619ECE4CB399]
http://linked.open...v/mistoKonaniAkce	Svratka
http://linked.open...i/riv/mistoVydani	Prague
http://linked.open...i/riv/nazevZdroje	Engineering Mechanics 2012
http://linked.open...in/vavai/riv/obor	JL
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Multiscale design of advanced materials Microstructural Design of Engineering Materials with High Toughness
http://linked.open...UplatneniVysledku	2012
http://linked.open...iv/tvurceVysledku	Dlouhý, Ivo Hadraba, Hynek Stratil, Luděk Kozák, Vladislav
http://linked.open...vavai/riv/typAkce	EUR - Evropská
http://linked.open.../riv/zahajeniAkce	2012-05-14 (xsd:date)
number of pages	6 (xsd:int)
http://purl.org/ne...btex#hasPublisher	ITAM AS CR, v. v. i.
https://schema.org/isbn	978-80-86246-40-6
is http://linked.open...avai/riv/vysledek of	Modelling of ductile fracture for sub-sized three-point-bend geometry

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