About: Stress-strain analysis of plane specimens made from R7T steel

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The article is focused on the stress analysis of plane specimens made from hypocutectoid steel, using digital image correlation. It is steel used in the manufacture of railway wheels for freight transport. The aim of the article is to measure the displacement fields by using digital image correlation, from which the strain fields are subsequently calculated. By processing the obtained values using the virtual fields method, the isotropic elastic constants and the hardening behaviour were obtained, which are used to calculate the subsequent stress fields, and they are also used to draw a diagram of engineering and true stress. The maximum average values of stress obtained from true stress-true strain diagram were 990 ± 21 MPa and from engineering diagram 897 ± 18 MPa. The deviation between maximum true and engineering average values of stress was 9 %. The stress fields obtained for 25 and 58 % strains are illustrated in the article. The article is focused on the stress analysis of plane specimens made from hypocutectoid steel, using digital image correlation. It is steel used in the manufacture of railway wheels for freight transport. The aim of the article is to measure the displacement fields by using digital image correlation, from which the strain fields are subsequently calculated. By processing the obtained values using the virtual fields method, the isotropic elastic constants and the hardening behaviour were obtained, which are used to calculate the subsequent stress fields, and they are also used to draw a diagram of engineering and true stress. The maximum average values of stress obtained from true stress-true strain diagram were 990 ± 21 MPa and from engineering diagram 897 ± 18 MPa. The deviation between maximum true and engineering average values of stress was 9 %. The stress fields obtained for 25 and 58 % strains are illustrated in the article. (en)
Title	Stress-strain analysis of plane specimens made from R7T steel Stress-strain analysis of plane specimens made from R7T steel (en)
skos:prefLabel	Stress-strain analysis of plane specimens made from R7T steel Stress-strain analysis of plane specimens made from R7T steel (en)
skos:notation	RIV/61989100:27360/14:86089979!RIV15-MSM-27360___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(EE2.3.30.0016), P(LO1203)
http://linked.open...iv/cisloPeriodika	6
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Kvíčala, Miroslav Horsák, Lukáš Mareš, Vratislav Štamborská, Michaela
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
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	47753
http://linked.open...ai/riv/idVysledku	RIV/61989100:27360/14:86089979
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	engineering diagram; true stress-true strain diagram; virtual fields method; digital image correlation (en)
http://linked.open.../riv/klicoveSlovo	digital image correlation virtual fields method engineering diagram true stress-true strain diagram
http://linked.open...odStatuVydavatele	SK - Slovenská republika
http://linked.open...ontrolniKodProRIV	[BDBD752345ED]
http://linked.open...i/riv/nazevZdroje	Kovové materiály
http://linked.open...in/vavai/riv/obor	JR
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Regionální materiálově technologické výzkumné centrum - Program udržitelnosti Opportunities for young researchers
http://linked.open...UplatneniVysledku	2014
http://linked.open...v/svazekPeriodika	52(2014)
http://linked.open...iv/tvurceVysledku	Horsák, Lukáš Mareš, Vratislav Kvíčala, Miroslav Štamborská, Michaela
issn	0023-432X
number of pages	9 (xsd:int)
http://localhost/t...ganizacniJednotka	27360

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