About: Hardening heat treatment of high-strength constructional steels with usage of effect of inexact homogenisation

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The possibility of application of non-completed austenite homogenisation is studied as the effective method of thermal strengthening of low-alloyed high-strength MnSiCrMoV steels having different carbon content (0.3%, 0.54%, 0.76%). The method is characterized by using high heating rates for austenization that allows the formation of heterogeneous macro- and microstructural conditions having improved balance of strength and fracture toughness behaviours. The role of various structural parameters of strengthened steels in initiation of brittle fracture is discussed. The possibility of using steels having carbon content more than 0.35-0.4% after strengthening with this method as construction steels is proved The possibility of application of non-completed austenite homogenisation is studied as the effective method of thermal strengthening of low-alloyed high-strength MnSiCrMoV steels having different carbon content (0.3%, 0.54%, 0.76%). The method is characterized by using high heating rates for austenization that allows the formation of heterogeneous macro- and microstructural conditions having improved balance of strength and fracture toughness behaviours. The role of various structural parameters of strengthened steels in initiation of brittle fracture is discussed. The possibility of using steels having carbon content more than 0.35-0.4% after strengthening with this method as construction steels is proved (en) Na nízkolegovaných vysoce pevných MnSiCrMoV ocelích s různým obsahem uhlíku (0.3%, 0.54%, 0.76%) byla studována možnost využití neúplné homogenizace austenitu před kalením jako efektivní metody zvyšování pevnosti. Metoda je charakterizována použitím vysokých rychlostí austenitzačního ohřevu, což umožňuje tvorbu heterogenních makro a mikrostrukturních podmínek se zlepšenou kombinací pevnostních a lomových vlastností. Současně byla diskutována úloha různých mikrostrukturních parametruů při iniciaci křehkého lomu. Byla prokázána možnost použití ocelí s obsahem uhlíku větším než 0.35-0.4% zpevněných výše uvedenými metodami pro konstrukční aplikace (cs)
Title	Hardening heat treatment of high-strength constructional steels with usage of effect of inexact homogenisation Hardening heat treatment of high-strength constructional steels with usage of effect of inexact homogenisation (en) Tepené zpracování a zpevňování vysocepevných konstrukčních ocelí za použití efektu neúplné austenitizace (cs)
skos:prefLabel	Hardening heat treatment of high-strength constructional steels with usage of effect of inexact homogenisation Hardening heat treatment of high-strength constructional steels with usage of effect of inexact homogenisation (en) Tepené zpracování a zpevňování vysocepevných konstrukčních ocelí za použití efektu neúplné austenitizace (cs)
skos:notation	RIV/68081723:_____/03:00108288!RIV/2005/AV0/A07005/N
http://linked.open.../vavai/riv/strany	935;958
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(IBS2041001), Z(AV0Z2041904)
http://linked.open...iv/cisloPeriodika	7
http://linked.open...vai/riv/dodaniDat	2005
http://linked.open...aciTvurceVysledku	Dlouhý, Ivo
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	Ústav fyziky materiálů AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	608638
http://linked.open...ai/riv/idVysledku	RIV/68081723:_____/03:00108288
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	low alloyed steel;martensite;rapid austenitisation (en)
http://linked.open.../riv/klicoveSlovo	low alloyed steel martensite rapid austenitisation
http://linked.open...odStatuVydavatele	UA - Ukrajina
http://linked.open...ontrolniKodProRIV	[DEFF5AD51E63]
http://linked.open...i/riv/nazevZdroje	Metallofizika i noveishie tekhnologii
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...vavai/riv/projekt	Degradation of properties and lifetime assessment of engineering materials under mechanical loading
http://linked.open...UplatneniVysledku	2003
http://linked.open...v/svazekPeriodika	25
http://linked.open...iv/tvurceVysledku	Dlouhý, Ivo Garasim, Y. A. Oshkadyorov, S. P.
http://linked.open...n/vavai/riv/zamer	Behavior and properties of metallic and non-metallic materials in relation to their structure, research on processes leading to degradation of material quality
issn	1024-1809
number of pages	24 (xsd:int)

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