About: Use of mathematical modelling at optimisation of drawing of semi-circular wire with focus on probability of crack formation during drawing

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About: Use of mathematical modelling at optimisation of drawing of semi-circular wire with focus on probability of crack formation during drawing Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The paper deals with the issues of mathematical modelling of drawing of semi-circular wire made of low-carbon steel. It concerns namely drawing of hot rolled circular wire C9D with radius of 6.5 mm to a semi-circular shape with the profile height H = 4.025 mm, width D = 5,8 mm and rounding r = 0.2 mm. Drawing process has been divided into two passes. Shape of the wire after preliminary drawing is characterised by the rounding R and r. Altogether 15 variants of drawing were investigated, while individual variants differed by the rounding radius R of the preliminarily drawn wire, and by the value of r both of preliminary and final drawing die. Results of mathematical modelling were used for evaluation of influence of the shape of preliminary and final drawing die on final shape of the wire. Moreover distribution of normalised Cockroft-Latham fracture criterion was also observed. Influence of the radius R and r on final dimensions and properties of the drawn wire was confirmed. Thanks to modification of drawing parameters it was possible to reduce significantly the maximal values of fracture criterion at both drawing passes. The paper deals with the issues of mathematical modelling of drawing of semi-circular wire made of low-carbon steel. It concerns namely drawing of hot rolled circular wire C9D with radius of 6.5 mm to a semi-circular shape with the profile height H = 4.025 mm, width D = 5,8 mm and rounding r = 0.2 mm. Drawing process has been divided into two passes. Shape of the wire after preliminary drawing is characterised by the rounding R and r. Altogether 15 variants of drawing were investigated, while individual variants differed by the rounding radius R of the preliminarily drawn wire, and by the value of r both of preliminary and final drawing die. Results of mathematical modelling were used for evaluation of influence of the shape of preliminary and final drawing die on final shape of the wire. Moreover distribution of normalised Cockroft-Latham fracture criterion was also observed. Influence of the radius R and r on final dimensions and properties of the drawn wire was confirmed. Thanks to modification of drawing parameters it was possible to reduce significantly the maximal values of fracture criterion at both drawing passes. (en)
Title	Use of mathematical modelling at optimisation of drawing of semi-circular wire with focus on probability of crack formation during drawing Use of mathematical modelling at optimisation of drawing of semi-circular wire with focus on probability of crack formation during drawing (en)
skos:prefLabel	Use of mathematical modelling at optimisation of drawing of semi-circular wire with focus on probability of crack formation during drawing Use of mathematical modelling at optimisation of drawing of semi-circular wire with focus on probability of crack formation during drawing (en)
skos:notation	RIV/61989100:27360/11:86081243!RIV12-MSM-27360___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(ED0040/01/01)
http://linked.open...iv/cisloPeriodika	3
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Nétek, Václav Fabík, Richard Brodňan, Michal
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	237223
http://linked.open...ai/riv/idVysledku	RIV/61989100:27360/11:86081243
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	shape wire, fracture criterion; finite element method; wire drawing (en)
http://linked.open.../riv/klicoveSlovo	fracture criterion shape wire finite element method wire drawing
http://linked.open...odStatuVydavatele	CZ - Česká republika
http://linked.open...ontrolniKodProRIV	[A0CB6AC4177D]
http://linked.open...i/riv/nazevZdroje	Hutnické listy
http://linked.open...in/vavai/riv/obor	JG
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Regional materials science and technology centre
http://linked.open...UplatneniVysledku	2011
http://linked.open...v/svazekPeriodika	64
http://linked.open...iv/tvurceVysledku	Fabík, Richard Nétek, Václav Brodňan, Michal
issn	0018-8069
number of pages	6 (xsd:int)
http://localhost/t...ganizacniJednotka	27360

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