About: Heating and heat treatment o press forgings

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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	V současné době se kováním vyrábí výkovky pro chemický průmysl. Teleplné zpracování musí zajistit požadované mechanické vlastnosti velkých výkovků v celém výkovku. Bylo rpovedeno ověření tepelného zpracování a stnovení jeho vlivu na zlepšení mechanických vlastností oceli. Byly analyzovány podmínky chlazení a žíhání na vývoj bainitické a martenzitické transformace v rozmezí teplot 250-300 ºC. Použité režimy tepelného zpracování vycházely z IRA a ARA diagramů. (cs) In a present era is a lot of press forgings, forged in smithies, intended for chemical engineering. Heat treatment process has to be in order with requested mechanical properties of big forged pieces demand as well as has to deliver from nucleation of cracks at structural transforation to required structure in whole volue of piece. Verification of heat treatment processes enables a thein improvement, thus some specific properties of steel can be respected,.Namely, i tis necesasary to respekt a specialities at cooling and annealing of steels in bainitic and martensitic transformation range, which is indentified by another temperature of reakdown than by evaluation (250-300ºC). Likewise on some other steel is isotermic bainitc breakdown finished after more than 2 hours. Evaluated regimes specification is nedd to be do with respekt to the decay curve in IRA and ARA diagrams. In a present era is a lot of press forgings, forged in smithies, intended for chemical engineering. Heat treatment process has to be in order with requested mechanical properties of big forged pieces demand as well as has to deliver from nucleation of cracks at structural transforation to required structure in whole volue of piece. Verification of heat treatment processes enables a thein improvement, thus some specific properties of steel can be respected,.Namely, i tis necesasary to respekt a specialities at cooling and annealing of steels in bainitic and martensitic transformation range, which is indentified by another temperature of reakdown than by evaluation (250-300ºC). Likewise on some other steel is isotermic bainitc breakdown finished after more than 2 hours. Evaluated regimes specification is nedd to be do with respekt to the decay curve in IRA and ARA diagrams. (en)
Title	Heating and heat treatment o press forgings Heating and heat treatment o press forgings (en) Ohřev a tepelné zpracování velkých výkovků (cs)
skos:prefLabel	Heating and heat treatment o press forgings Heating and heat treatment o press forgings (en) Ohřev a tepelné zpracování velkých výkovků (cs)
skos:notation	RIV/61989100:27360/06:00014247!RIV07-MPO-27360___
http://linked.open.../vavai/riv/strany	81-88
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(FI-IM/033)
http://linked.open...vai/riv/dodaniDat	2007
http://linked.open...aciTvurceVysledku	Greger, Miroslav Widomská, Milena Čížek, Lubomír Kocich, Radim
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	477524
http://linked.open...ai/riv/idVysledku	RIV/61989100:27360/06:00014247
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	press forgings; heat treatment; cracks nucleation (en)
http://linked.open.../riv/klicoveSlovo	heat treatment cracks nucleation press forgings
http://linked.open...ontrolniKodProRIV	[71714EC659C5]
http://linked.open...i/riv/mistoVydani	Praha
http://linked.open...i/riv/nazevZdroje	21. dny tepelného zpracování
http://linked.open...in/vavai/riv/obor	JG
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (xsd:int)
http://linked.open...vavai/riv/projekt	Research and application the nanotechnology and manufacturing of nanostructure materials with high strenght properties for modern construction.
http://linked.open...UplatneniVysledku	2006
http://linked.open...iv/tvurceVysledku	Greger, Miroslav Kocich, Radim Widomská, Milena Čížek, Lubomír Muskalski, Zbigniew Barteček, Roman
number of pages	8 (xsd:int)
http://purl.org/ne...btex#hasPublisher	ECOSOND s.r.o.
https://schema.org/isbn	80-239-7840-3
http://localhost/t...ganizacniJednotka	27360

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