About: Mathematical description of stress - strain behavior of hot - formed steel by means of plastometric examination

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	This paper explores the potential of an approximate description of the stress-strain relationship. Listed are the principles and the proposed form of simple non-linear (relying on no more than two exponential functions), non-continuous (including the initial linear portion according to the Hooke's law) and approximate models of the dependence of flow stress (stress) on the amount of strain. This model should be applied to specific measured data from stress-strain curves for three strain rates: 0.1, 1 and 10 s-1 at the temperature of the specimen of 1,273 K. The specimens were made of 9Cr steel. The curves were obtained by processing flat specimens of mm in the Gleeble compression simulator. Implementation and verification of the model was performed in Microsoft Excel using its convenient Solver tool. Finally, the calculated values were compared with experimentally measured data. This paper explores the potential of an approximate description of the stress-strain relationship. Listed are the principles and the proposed form of simple non-linear (relying on no more than two exponential functions), non-continuous (including the initial linear portion according to the Hooke's law) and approximate models of the dependence of flow stress (stress) on the amount of strain. This model should be applied to specific measured data from stress-strain curves for three strain rates: 0.1, 1 and 10 s-1 at the temperature of the specimen of 1,273 K. The specimens were made of 9Cr steel. The curves were obtained by processing flat specimens of mm in the Gleeble compression simulator. Implementation and verification of the model was performed in Microsoft Excel using its convenient Solver tool. Finally, the calculated values were compared with experimentally measured data. (en)
Title	Mathematical description of stress - strain behavior of hot - formed steel by means of plastometric examination Mathematical description of stress - strain behavior of hot - formed steel by means of plastometric examination (en)
skos:prefLabel	Mathematical description of stress - strain behavior of hot - formed steel by means of plastometric examination Mathematical description of stress - strain behavior of hot - formed steel by means of plastometric examination (en)
skos:notation	RIV/61989100:27360/10:86075627!RIV11-GA0-27360___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(ED0040/01/01), P(GA106/07/0631)
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Horsinka, Jaromír Kliber, Jiří Drozd, Kamil
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	269864
http://linked.open...ai/riv/idVysledku	RIV/61989100:27360/10:86075627
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	peak values; flow stress; mathematical model; stress-strain curves (en)
http://linked.open.../riv/klicoveSlovo	flow stress mathematical model stress-strain curves peak values
http://linked.open...ontrolniKodProRIV	[055720689367]
http://linked.open...v/mistoKonaniAkce	Rožnov pod Radhoštěm
http://linked.open...i/riv/mistoVydani	Rožnov pod Radhoštěm
http://linked.open...i/riv/nazevZdroje	METAL 2010
http://linked.open...in/vavai/riv/obor	JG
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Regional materials science and technology centre Plastometric, PC and pilot simulation of restoration observed at hot deformed material
http://linked.open...UplatneniVysledku	2010
http://linked.open...iv/tvurceVysledku	Drozd, Kamil Horsinka, Jaromír Kliber, Jiří Morávka, Jan
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open...ain/vavai/riv/wos	000286658700049
http://linked.open.../riv/zahajeniAkce	2010-05-18 (xsd:date)
number of pages	6 (xsd:int)
http://purl.org/ne...btex#hasPublisher	TANGER s.r.o. Ostrava
https://schema.org/isbn	978-80-87294-15-4
http://localhost/t...ganizacniJednotka	27360

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