About: Influence of Annealing Temperature and Time on the Mechanical Properties of Selected Steels for Heavy Forgings

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Two types of steels used for production of heavy forgings were selected for the experimental evaluation. The effect of long time dwell at elevated temperatures and cooling during heat treatment on their mechanical properties was monitored in order to avoid the possibility of grain boundary embrittlement. Samples from evaluated steels 26NiCrMoV14-5 and 22CrNiMoWV8-8 were austenitized for 2 hours at temperature of 1200°C and oil quenched. Subsequently the annealing at temperatures (200 - 700)°C for 1 hour and 100 hours was applied. Selected mechanical properties, especially hardness and impact energy, were monitored. It was found that for steels 26NiCrMoV14-5 and 22CrMoNiWV8-8 exist the temperature intervals (300 - 400)°C and (500 - 600)°C respectively with the possible potential for toughness decreasing. Two types of steels used for production of heavy forgings were selected for the experimental evaluation. The effect of long time dwell at elevated temperatures and cooling during heat treatment on their mechanical properties was monitored in order to avoid the possibility of grain boundary embrittlement. Samples from evaluated steels 26NiCrMoV14-5 and 22CrNiMoWV8-8 were austenitized for 2 hours at temperature of 1200°C and oil quenched. Subsequently the annealing at temperatures (200 - 700)°C for 1 hour and 100 hours was applied. Selected mechanical properties, especially hardness and impact energy, were monitored. It was found that for steels 26NiCrMoV14-5 and 22CrMoNiWV8-8 exist the temperature intervals (300 - 400)°C and (500 - 600)°C respectively with the possible potential for toughness decreasing. (en)
Title	Influence of Annealing Temperature and Time on the Mechanical Properties of Selected Steels for Heavy Forgings Influence of Annealing Temperature and Time on the Mechanical Properties of Selected Steels for Heavy Forgings (en)
skos:prefLabel	Influence of Annealing Temperature and Time on the Mechanical Properties of Selected Steels for Heavy Forgings Influence of Annealing Temperature and Time on the Mechanical Properties of Selected Steels for Heavy Forgings (en)
skos:notation	RIV/47718684:_____/15:#0000599!RIV15-MPO-47718684
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(FR-TI2/132)
http://linked.open...iv/cisloPeriodika	2015
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Matějová, Miroslava Kasl, Josef
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	Výzkumný a zkušební ústav Plzeň s.r.o.
http://linked.open...dnocenehoVysledku	209
http://linked.open...ai/riv/idVysledku	RIV/47718684:_____/15:#0000599
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Microstructure, microscopy, precipitation, high strength steel, embrittlement (en)
http://linked.open.../riv/klicoveSlovo	microscopy high strength steel precipitation Microstructure embrittlement
http://linked.open...odStatuVydavatele	CH - Švýcarská konfederace
http://linked.open...ontrolniKodProRIV	[202C9B893687]
http://linked.open...i/riv/nazevZdroje	Key engineering materials
http://linked.open...in/vavai/riv/obor	JG
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	7 (xsd:int)
http://linked.open...vavai/riv/projekt	Research of Reasons of Production Defects of Heavy Forgings and Castings with the Best Quality Parameters for Steam, Wind and Nuclear Power Stations
http://linked.open...UplatneniVysledku	2015
http://linked.open...v/svazekPeriodika	647
http://linked.open...iv/tvurceVysledku	Horník, Jakub Kasl, Josef Málek, Jaroslav Jandoš, František Zuna, Petr Jetmar, Tomáš Matějová, Miroslava
issn	1662-9795
number of pages	9 (xsd:int)
http://bibframe.org/vocab/doi	10.4028/www.scientific.net/KEM.647.38

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