About: Computational simulation of cold forming of bolts and prediction of material damage during the process

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The paper deals with application of selected criteria of ductile fracture to prediction of material damage during the production of bolts by cold forming. Two basic steps of this procedure are described. First, the fracture criteria para- meters are identified by numerical simulation of realized material fracture tests in compression. Second, two main stages of the bolt production (forward extru- sion of shaft and compression of head) are computationally simulated as a large displacement, elasto-plastic problem. The computed history of stress and strain is then used for evaluation of the fracture criteria and compared with the identi- fied limit fracture values of the material. A number of geometrical versions are analysed to evaluate the in uence of shape on the probability of fracture. The paper deals with application of selected criteria of ductile fracture to prediction of material damage during the production of bolts by cold forming. Two basic steps of this procedure are described. First, the fracture criteria para- meters are identified by numerical simulation of realized material fracture tests in compression. Second, two main stages of the bolt production (forward extru- sion of shaft and compression of head) are computationally simulated as a large displacement, elasto-plastic problem. The computed history of stress and strain is then used for evaluation of the fracture criteria and compared with the identi- fied limit fracture values of the material. A number of geometrical versions are analysed to evaluate the in uence of shape on the probability of fracture. (en)
Title	Computational simulation of cold forming of bolts and prediction of material damage during the process Computational simulation of cold forming of bolts and prediction of material damage during the process (en)
skos:prefLabel	Computational simulation of cold forming of bolts and prediction of material damage during the process Computational simulation of cold forming of bolts and prediction of material damage during the process (en)
skos:notation	RIV/00216305:26210/04:PU47480!RIV11-MSM-26210___
http://linked.open...avai/riv/aktivita	N V Z
http://linked.open...avai/riv/aktivity	N, V, Z(MSM 262100001)
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Janíček, Libor Petruška, Jindřich Skalka, Petr
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	Vysoké učení technické v Brně / Fakulta strojního inženýrství
http://linked.open...dnocenehoVysledku	558470
http://linked.open...ai/riv/idVysledku	RIV/00216305:26210/04:PU47480
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	FE simulation, bulk forming, formability (en)
http://linked.open.../riv/klicoveSlovo	formability FE simulation bulk forming
http://linked.open...ontrolniKodProRIV	[5EBB06346592]
http://linked.open...v/mistoKonaniAkce	Svratka
http://linked.open...i/riv/mistoVydani	Svratka
http://linked.open...i/riv/nazevZdroje	Engineering mechanics 2004
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...UplatneniVysledku	2004
http://linked.open...iv/tvurceVysledku	Petruška, Jindřich Rusz, Stanislav Skalka, Petr Janíček, Libor
http://linked.open...vavai/riv/typAkce	CST - Celostátní
http://linked.open.../riv/zahajeniAkce	2004-05-10 (xsd:date)
http://linked.open...n/vavai/riv/zamer	http://linked.opendata.cz/resource/domain/vavai/zamer/MSM%20262100001
number of pages	7 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Ústav termomechaniky AV ČR
https://schema.org/isbn	80-85918-88-9
http://localhost/t...ganizacniJednotka	26210

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