About: Creep Behaviour and Microstructural Changes of Advanced Creep Resistant Steels after Long-term Isothermal Ageing

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	In this paper we will try to further clarify the creep-strength degradation of selected advanced creep resistant steels. In order to accelerate some microstructural changes and thus to simulate degradation processes in long-term service, isothermal ageing at 650°C for 10 000 h was applied to P91, P92 and P23 steels in their as-received states. The accelerated tensile creep tests were performed at temperature 600°C in argon atmosphere on all steels in the as-received state and after long-term isothermal ageing, in an effort to obtain a more complete description of the role of microstructural stability in high temperature creep of these steels. Creep tests were followed by microstructural investigations by means of both transmission and scanning electron microscopy and by the thermodynamic calculations. It is suggested that microstructural instability is the main detrimental process in the long-term degradation of the creep rupture strength of these steels. In this paper we will try to further clarify the creep-strength degradation of selected advanced creep resistant steels. In order to accelerate some microstructural changes and thus to simulate degradation processes in long-term service, isothermal ageing at 650°C for 10 000 h was applied to P91, P92 and P23 steels in their as-received states. The accelerated tensile creep tests were performed at temperature 600°C in argon atmosphere on all steels in the as-received state and after long-term isothermal ageing, in an effort to obtain a more complete description of the role of microstructural stability in high temperature creep of these steels. Creep tests were followed by microstructural investigations by means of both transmission and scanning electron microscopy and by the thermodynamic calculations. It is suggested that microstructural instability is the main detrimental process in the long-term degradation of the creep rupture strength of these steels. (en)
Title	Creep Behaviour and Microstructural Changes of Advanced Creep Resistant Steels after Long-term Isothermal Ageing Creep Behaviour and Microstructural Changes of Advanced Creep Resistant Steels after Long-term Isothermal Ageing (en)
skos:prefLabel	Creep Behaviour and Microstructural Changes of Advanced Creep Resistant Steels after Long-term Isothermal Ageing Creep Behaviour and Microstructural Changes of Advanced Creep Resistant Steels after Long-term Isothermal Ageing (en)
skos:notation	RIV/68081723:_____/10:00354915!RIV11-AV0-68081723
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(2A-1TP1/057), Z(AV0Z20410507)
http://linked.open...iv/cisloPeriodika	-
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Svoboda, Milan Kuchařová, Květa Kroupa, Aleš Sklenička, Václav
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	252329
http://linked.open...ai/riv/idVysledku	RIV/68081723:_____/10:00354915
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	creep resistant steels; creep; isothermal ageing (en)
http://linked.open.../riv/klicoveSlovo	creep resistant steels creep isothermal ageing
http://linked.open...odStatuVydavatele	CH - Švýcarská konfederace
http://linked.open...ontrolniKodProRIV	[9602AA72272B]
http://linked.open...i/riv/nazevZdroje	Materials Science Forum
http://linked.open...in/vavai/riv/obor	JG
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...vavai/riv/projekt	The resolution of material and technological innovations for power and chemical facilities of new generation working under high temperatures
http://linked.open...UplatneniVysledku	2010
http://linked.open...v/svazekPeriodika	654-656
http://linked.open...iv/tvurceVysledku	Kroupa, Aleš Kuchařová, Květa Sklenička, Václav Svoboda, Milan Čmakal, J.
http://linked.open...n/vavai/riv/zamer	Physical properties of advanced materials in relation to their microstructure and processing
issn	0255-5476
number of pages	4 (xsd:int)
is http://linked.open...avai/riv/vysledek of	Creep Behaviour and Microstructural Changes of Advanced Creep Resistant Steels after Long-term Isothermal Ageing Creep Behaviour and Microstructural Changes of Advanced Creep Resistant Steels after Long-term Isothermal Ageing Creep Behaviour and Microstructural Changes of Advanced Creep Resistant Steels after Long-term Isothermal Ageing

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