About: Possibilities of Optimisation of Production of Tool Steel for Forging on the Rapid Forging Machine

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The paper presents research of possibilities of optimisation of production of tool steel of X40CrMoV5-1 grade for forging on the rapid forging machine, which was directed on conditions of casting with focus on macro-porosity and micro-porosity in the ingot body. Metallographic analyses of ingot structures prove that internal discontinuities in ingots may be formed as a result of volume changes of liquid and solid phases, of carbidic segregations and micro-cracks in segregations. Assuming similar conditions and parameters for casting of X40CrMoV5-1 steel grade, numerical simulations of casting, solidification and cooling of two types of identical shape of cross-section, of similar diameter and taper of the forging ingot from the melt without rejects and with occurrence of rejects from the final forged piece were performed in MAGMA program. Design of new shape of ingot mould was created after evaluation of the achieved parameters and numerical simulation of casting with modified taper of the forging ingot was performed with preservation of other original parameters. The paper presents research of possibilities of optimisation of production of tool steel of X40CrMoV5-1 grade for forging on the rapid forging machine, which was directed on conditions of casting with focus on macro-porosity and micro-porosity in the ingot body. Metallographic analyses of ingot structures prove that internal discontinuities in ingots may be formed as a result of volume changes of liquid and solid phases, of carbidic segregations and micro-cracks in segregations. Assuming similar conditions and parameters for casting of X40CrMoV5-1 steel grade, numerical simulations of casting, solidification and cooling of two types of identical shape of cross-section, of similar diameter and taper of the forging ingot from the melt without rejects and with occurrence of rejects from the final forged piece were performed in MAGMA program. Design of new shape of ingot mould was created after evaluation of the achieved parameters and numerical simulation of casting with modified taper of the forging ingot was performed with preservation of other original parameters. (en)
Title	Possibilities of Optimisation of Production of Tool Steel for Forging on the Rapid Forging Machine Possibilities of Optimisation of Production of Tool Steel for Forging on the Rapid Forging Machine (en)
skos:prefLabel	Possibilities of Optimisation of Production of Tool Steel for Forging on the Rapid Forging Machine Possibilities of Optimisation of Production of Tool Steel for Forging on the Rapid Forging Machine (en)
skos:notation	RIV/61989100:27360/14:86090062!RIV15-MSM-27360___
http://linked.open...avai/riv/aktivita	N
http://linked.open...avai/riv/aktivity	N
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Čamek, Libor
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	37867
http://linked.open...ai/riv/idVysledku	RIV/61989100:27360/14:86090062
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	numerical simulations; micro-porosity; macro-porosity; rapid forging machine; tool steel (en)
http://linked.open.../riv/klicoveSlovo	rapid forging machine numerical simulations tool steel macro-porosity micro-porosity
http://linked.open...ontrolniKodProRIV	[03D7FEE3D424]
http://linked.open...v/mistoKonaniAkce	Brno
http://linked.open...i/riv/mistoVydani	Ostrava
http://linked.open...i/riv/nazevZdroje	METAL 2014: 23rd International Conference on Metallurgy and Materials: conference proceedings : May 21st-23rd 2014, hotel Voroněž I, Brno, Czech Republic, EU
http://linked.open...in/vavai/riv/obor	JG
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...UplatneniVysledku	2014
http://linked.open...iv/tvurceVysledku	Čamek, Libor Korbáš, Martin Kůrka, Vladislav
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2014-05-21 (xsd:date)
number of pages	8 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Tanger s.r.o.
https://schema.org/isbn	978-80-87294-54-3
http://localhost/t...ganizacniJednotka	27360

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