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Statements

Subject Item
n2:RIV%2F26316919%3A_____%2F13%3A%230000472%21RIV14-MPO-26316919
rdf:type
n5:Vysledek skos:Concept
rdfs:seeAlso
http://www.ingentaconnect.com/content/asp/asl/2013/00000019/00000003/art00001
dcterms:description
Continuous extrusion of metals using Conform™ machine is a well-known process which has been used in industry for several decades as a technique for extrusion of soft metals (Al, Cu) and their alloys. New developments in continuous extrusion of metals include its use for high-strength materials and a utilization of its beneficial side effect, which is the microstructure refinement. Long-standing experience with research into the ECAP process and other technologies for preparing ultrafine structured materials inspired modifications to the design and material of the forming die of commercial Conform™ 315i machine. These changes will allow repeated processing of high-strength alloys with strength above 1,000 MPa. This work describes 3D modelling of continuous extrusion of high-strength materials (titanium) using the finite element method software DEFORM-3D. The model traces temperature and strain fields which are then compared to experimental data obtained from continuous extrusion of titanium stock. The temperature of the wheel, the temperature of the input titanium feedstock and the circumferential speed of the wheel have substantial impact on the entire forming process. The goal is to find adequate boundary conditions to make the mathematical model fit the real-world process as much as possible and allow its optimization. Continuous extrusion of metals using Conform™ machine is a well-known process which has been used in industry for several decades as a technique for extrusion of soft metals (Al, Cu) and their alloys. New developments in continuous extrusion of metals include its use for high-strength materials and a utilization of its beneficial side effect, which is the microstructure refinement. Long-standing experience with research into the ECAP process and other technologies for preparing ultrafine structured materials inspired modifications to the design and material of the forming die of commercial Conform™ 315i machine. These changes will allow repeated processing of high-strength alloys with strength above 1,000 MPa. This work describes 3D modelling of continuous extrusion of high-strength materials (titanium) using the finite element method software DEFORM-3D. The model traces temperature and strain fields which are then compared to experimental data obtained from continuous extrusion of titanium stock. The temperature of the wheel, the temperature of the input titanium feedstock and the circumferential speed of the wheel have substantial impact on the entire forming process. The goal is to find adequate boundary conditions to make the mathematical model fit the real-world process as much as possible and allow its optimization.
dcterms:title
'FEM Modelling of Continuous Extrusion of High-Strength Metals Using Commercial Conform™ Machine 'FEM Modelling of Continuous Extrusion of High-Strength Metals Using Commercial Conform™ Machine
skos:prefLabel
'FEM Modelling of Continuous Extrusion of High-Strength Metals Using Commercial Conform™ Machine 'FEM Modelling of Continuous Extrusion of High-Strength Metals Using Commercial Conform™ Machine
skos:notation
RIV/26316919:_____/13:#0000472!RIV14-MPO-26316919
n5:predkladatel
n17:ico%3A26316919
n3:aktivita
n12:P
n3:aktivity
P(FR-TI1/415)
n3:cisloPeriodika
3
n3:dodaniDat
n16:2014
n3:domaciTvurceVysledku
n8:1560247 n8:7277369 n8:7635060 n8:6226302
n3:druhVysledku
n10:J
n3:duvernostUdaju
n6:S
n3:entitaPredkladatele
n11:predkladatel
n3:idSjednocenehoVysledku
74828
n3:idVysledku
RIV/26316919:_____/13:#0000472
n3:jazykVysledku
n15:eng
n3:klicovaSlova
finite element method, continuous extrusion, titanium, SPD, Conform™, Deform
n3:klicoveSlovo
n4:Conform%E2%84%A2 n4:titanium n4:finite%20element%20method n4:continuous%20extrusion n4:Deform n4:SPD
n3:kodStatuVydavatele
US - Spojené státy americké
n3:kontrolniKodProRIV
[4C576F88B9DD]
n3:nazevZdroje
Advanced Science Letters
n3:obor
n14:JP
n3:pocetDomacichTvurcuVysledku
4
n3:pocetTvurcuVysledku
4
n3:projekt
n7:FR-TI1%2F415
n3:rokUplatneniVysledku
n16:2013
n3:svazekPeriodika
19
n3:tvurceVysledku
Kraus, Libor Zemko, Michal Hodek, Josef Dlouhý, Jaromír
s:issn
1936-6612
s:numberOfPages
4
n19:doi
10.1166/asl.2013.4807