About: Non-destructive sans investigation of in 738 turbine blades after high-temperature operation

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About: Non-destructive sans investigation of in 738 turbine blades after high-temperature operation Goto Sponge NotDistinct Permalink

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	The gas reactor turbine blades produced from the Inconel 738 nickel-base superalloy were studied with the aim to assess the influence of high-temperature operation fatigue on the microstructure. High-resolution small-angle neutron scattering (SANS) provides an unique possibility of non-destructive characterization of precipitates in the blades. Two turbine blades in as-cast state and after operation were compared at different positions along their edge, where different thermal and stress loads are expected. Size distributions and relative volume fractions of gamma´-precipitates were evaluated from measured SANS spectra for each blade and individual position. It was found that the precipitate volume fraction increases towards the tip of both blades. The blade after operation exhibits a significant increase of the average size and volume of precipitates with respect to the as-cast blade, which can be explained by expected stronger precipitate coarsening under higher stresses. The prec... The gas reactor turbine blades produced from the Inconel 738 nickel-base superalloy were studied with the aim to assess the influence of high-temperature operation fatigue on the microstructure. High-resolution small-angle neutron scattering (SANS) provides an unique possibility of non-destructive characterization of precipitates in the blades. Two turbine blades in as-cast state and after operation were compared at different positions along their edge, where different thermal and stress loads are expected. Size distributions and relative volume fractions of gamma´-precipitates were evaluated from measured SANS spectra for each blade and individual position. It was found that the precipitate volume fraction increases towards the tip of both blades. The blade after operation exhibits a significant increase of the average size and volume of precipitates with respect to the as-cast blade, which can be explained by expected stronger precipitate coarsening under higher stresses. The prec... (en) Turbinové lopatky plynového reaktoruvyrobené ze super slitiny Inconel 738 na niklové bázi jsou studovány s cílem zjistit vliv únavy prací při vysoké teplotě na mikrostrukturu. (cs)
Title	Nedestruktivní SANS vyšetřování 738 turbinových lopatek po práci při vysoké teplotě (cs) Non-destructive sans investigation of in 738 turbine blades after high-temperature operation Non-destructive sans investigation of in 738 turbine blades after high-temperature operation (en)
skos:prefLabel	Nedestruktivní SANS vyšetřování 738 turbinových lopatek po práci při vysoké teplotě (cs) Non-destructive sans investigation of in 738 turbine blades after high-temperature operation Non-destructive sans investigation of in 738 turbine blades after high-temperature operation (en)
skos:notation	RIV/61389005:_____/03:00105647!RIV/2005/GA0/A49005/N
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(GA202/03/0891), P(KSK1010104)
http://linked.open...vai/riv/dodaniDat	2005
http://linked.open...aciTvurceVysledku	Ryukhtin, Vasyl Marinčák, Vojtěch Strunz, Pavel Šaroun, Jan Lukáš, Petr
http://linked.open.../riv/druhVysledku	B - Odborná kniha
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav jaderné fyziky AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	618098
http://linked.open...ai/riv/idVysledku	RIV/61389005:_____/03:00105647
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	superalloy;SANS (en)
http://linked.open.../riv/klicoveSlovo	SANS superalloy
http://linked.open...ontrolniKodProRIV	[641ADEE94040]
http://linked.open...i/riv/mistoVydani	Geneva
http://linked.open...vEdiceCisloSvazku	Neuveden
http://linked.open...i/riv/nazevZdroje	Non-destructive sans investigation of in 738 turbine blades after high-temperature operation
http://linked.open...in/vavai/riv/obor	BM
http://linked.open...ichTvurcuVysledku	5 (xsd:int)
http://linked.open...v/pocetStranKnihy	6 (xsd:int)
http://linked.open...cetTvurcuVysledku	8 (xsd:int)
http://linked.open...vavai/riv/projekt	Condensed matter physics and materials science Research centre using thermal neutrons
http://linked.open...UplatneniVysledku	2003
http://linked.open...iv/tvurceVysledku	Lukáš, Petr Strunz, Pavel Šaroun, Jan Rogante, M. Ryukhtin, Vasyl Cassi, L. Ceschini, G. F. Marinčák, Vojtěch
number of pages	6 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Neuveden

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