About: The Size Effect in Tensile Test of Steels

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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)

Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://proceedings.asmedigitalcollection.asme.org/proceeding.aspx?articleid=1815784
Description	Efforts to characterize small-scale tensile properties are driven by the need to reliably predict the performance of engineering parts during service. It has been clearly demonstrated that tensile properties depend on test specimen size. Smaller test specimens of railway wheel steel R7T exhibit shorter elongation to failure. Both uniform elongation and post-necking elongation increase with decreasing gauge length of specimens with the same cross-sectional area. A nonlocal damage model based on a strain gradient-dependent constitutive plasticity theory reproduces experimental findings. Detailed computations predict that the elongation to failure increases proportional to the square of the ratio of the steel characteristic length to the diameter of the circular cross-section of the specimen. Heterogeneous damage nucleation is taken into account to explain the effect of specimen size on the ductility of the investigated steel. The evolution of porosity due to nucleation of voids is a decisive factor affecting the dependence of ductility on specimen size; void growth plays a secondary role Efforts to characterize small-scale tensile properties are driven by the need to reliably predict the performance of engineering parts during service. It has been clearly demonstrated that tensile properties depend on test specimen size. Smaller test specimens of railway wheel steel R7T exhibit shorter elongation to failure. Both uniform elongation and post-necking elongation increase with decreasing gauge length of specimens with the same cross-sectional area. A nonlocal damage model based on a strain gradient-dependent constitutive plasticity theory reproduces experimental findings. Detailed computations predict that the elongation to failure increases proportional to the square of the ratio of the steel characteristic length to the diameter of the circular cross-section of the specimen. Heterogeneous damage nucleation is taken into account to explain the effect of specimen size on the ductility of the investigated steel. The evolution of porosity due to nucleation of voids is a decisive factor affecting the dependence of ductility on specimen size; void growth plays a secondary role (en)
Title	The Size Effect in Tensile Test of Steels The Size Effect in Tensile Test of Steels (en)
skos:prefLabel	The Size Effect in Tensile Test of Steels The Size Effect in Tensile Test of Steels (en)
skos:notation	RIV/61989100:27360/13:86088359!RIV14-TA0-27360___
http://linked.open...avai/predkladatel	Fakulta metalurgie a materiálového inženýrství
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(TA02011179)
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Strnadel, Bohumír
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	Vysoká škola báňská - Technická univerzita Ostrava / Fakulta metalurgie a materiálového inženýrství
http://linked.open...dnocenehoVysledku	105390
http://linked.open...ai/riv/idVysledku	RIV/61989100:27360/13:86088359
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Steel , Size effect (en)
http://linked.open.../riv/klicoveSlovo	Steel Size effect
http://linked.open...ontrolniKodProRIV	[A2979B102E7B]
http://linked.open...v/mistoKonaniAkce	Paříž
http://linked.open...i/riv/mistoVydani	New York
http://linked.open...i/riv/nazevZdroje	American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP. Volume 6 B
http://linked.open...in/vavai/riv/obor	JL
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...vavai/riv/projekt	New methods for assessing levels of material damage when estimating the residual lifespan of structures
http://linked.open...UplatneniVysledku	2013
http://linked.open...iv/tvurceVysledku	Brumek, Jan Strnadel, Bohumír
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2013-06-14 (xsd:date)
issn	0277-027X
number of pages	7 (xsd:int)
http://purl.org/ne...btex#hasPublisher	ASME
https://schema.org/isbn	978-0-7918-5571-3
http://localhost/t...ganizacniJednotka	27360

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