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Statements

Subject Item
n2:RIV%2F00216305%3A26210%2F04%3APU47480%21RIV11-MSM-26210___
rdf:type
skos:Concept n17:Vysledek
dcterms: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.
dcterms: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
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
skos:notation
RIV/00216305:26210/04:PU47480!RIV11-MSM-26210___
n3:aktivita
n5:V n5:Z n5:N
n3:aktivity
N, V, Z(MSM 262100001)
n3:dodaniDat
n18:2011
n3:domaciTvurceVysledku
n9:2965593 n9:3234274 n9:1103407
n3:druhVysledku
n15:D
n3:duvernostUdaju
n6:S
n3:entitaPredkladatele
n21:predkladatel
n3:idSjednocenehoVysledku
558470
n3:idVysledku
RIV/00216305:26210/04:PU47480
n3:jazykVysledku
n14:eng
n3:klicovaSlova
FE simulation, bulk forming, formability
n3:klicoveSlovo
n13:formability n13:bulk%20forming n13:FE%20simulation
n3:kontrolniKodProRIV
[5EBB06346592]
n3:mistoKonaniAkce
Svratka
n3:mistoVydani
Svratka
n3:nazevZdroje
Engineering mechanics 2004
n3:obor
n12:JG
n3:pocetDomacichTvurcuVysledku
3
n3:pocetTvurcuVysledku
4
n3:rokUplatneniVysledku
n18:2004
n3:tvurceVysledku
Petruška, Jindřich Skalka, Petr Janíček, Libor Rusz, Stanislav
n3:typAkce
n16:CST
n3:zahajeniAkce
2004-05-10+02:00
n3:zamer
n19:MSM%20262100001
s:numberOfPages
7
n11:hasPublisher
Ústav termomechaniky AV ČR
n4:isbn
80-85918-88-9
n20:organizacniJednotka
26210