About: Long-Term Thermal Degradation of Mn-V Steel (W.Nr. 1.1133)

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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
rdfs:seeAlso	http://www.scientific.net/KEM.465.499
Description	This paper summarizes the achieved results of microstructure analysis and mechanical testing of long-term degradation of Mn-V steel (W. Nr. 1.1133, ČSN 41 3123) frequently used in small and middle boiler pressure systems operating under creep conditions. In these systems, non-exchangeable components often limit a safety of their service operation. Therefore in view of the monitoring, non-destructive methods like replica technique, hardness testing and defectoscopy, and probabilistic approach to residual life assessment seems to be the only way how to quantitatively determine a residual life of the boiler pressure system. Achieved results of as-exposed and as-secondary aged Mn-V steel confirmed that besides NDT controlling of sheet welds due to possible cracks, the replica technique (on available component surface) accompanied by hardness measurement on each segment of weldment should be sufficient for residual life assessment of thick-walled components of boiler pressure system operating under creep conditions. Additionally as a very rough estimate, a value of limit hardness of steel for safety operation is estimated at about 150 HV. This paper summarizes the achieved results of microstructure analysis and mechanical testing of long-term degradation of Mn-V steel (W. Nr. 1.1133, ČSN 41 3123) frequently used in small and middle boiler pressure systems operating under creep conditions. In these systems, non-exchangeable components often limit a safety of their service operation. Therefore in view of the monitoring, non-destructive methods like replica technique, hardness testing and defectoscopy, and probabilistic approach to residual life assessment seems to be the only way how to quantitatively determine a residual life of the boiler pressure system. Achieved results of as-exposed and as-secondary aged Mn-V steel confirmed that besides NDT controlling of sheet welds due to possible cracks, the replica technique (on available component surface) accompanied by hardness measurement on each segment of weldment should be sufficient for residual life assessment of thick-walled components of boiler pressure system operating under creep conditions. Additionally as a very rough estimate, a value of limit hardness of steel for safety operation is estimated at about 150 HV. (en)
Title	Long-Term Thermal Degradation of Mn-V Steel (W.Nr. 1.1133) Long-Term Thermal Degradation of Mn-V Steel (W.Nr. 1.1133) (en)
skos:prefLabel	Long-Term Thermal Degradation of Mn-V Steel (W.Nr. 1.1133) Long-Term Thermal Degradation of Mn-V Steel (W.Nr. 1.1133) (en)
skos:notation	RIV/60193247:_____/11:UJP1453I!RIV12-MPO-60193247
http://linked.open...avai/riv/aktivita	I P S
http://linked.open...avai/riv/aktivity	I, P(FI-IM4/049), S
http://linked.open...iv/cisloPeriodika	2011
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Shejbal, Jaromír Douda, Jindřich Horváth, Ladislav Svobodová, Marie Svobodová, Eva
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	UJP PRAHA a.s.
http://linked.open...dnocenehoVysledku	209954
http://linked.open...ai/riv/idVysledku	RIV/60193247:_____/11:UJP1453I
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Mn-V steel, microstructure, mechanical properties, thermal degradation (en)
http://linked.open.../riv/klicoveSlovo	Mn-V steel mechanical properties microstructure thermal degradation
http://linked.open...odStatuVydavatele	CH - Švýcarská konfederace
http://linked.open...ontrolniKodProRIV	[6088DC352B0F]
http://linked.open...i/riv/nazevZdroje	Key Engineering Materials
http://linked.open...in/vavai/riv/obor	JG
http://linked.open...ichTvurcuVysledku	5 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...vavai/riv/projekt	Probability solution of lifetime and reliability of small and medium power plants.
http://linked.open...UplatneniVysledku	2011
http://linked.open...v/svazekPeriodika	465
http://linked.open...iv/tvurceVysledku	Douda, Jindřich Svobodová, Marie Svobodová, Eva Horváth, Ladislav Shejbal, Jaromír
issn	1013-9826
number of pages	4 (xsd:int)
http://bibframe.org/vocab/doi	10.4028/www.scientific.net/KEM.465.499

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