About: Fractural based microstructural damane evaluation in Ni-based superalloy gas turbine blades

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	A fractal based evaluation of microstructural damage in Ni based superalloy cast IN 738 LC used in gas turbine blades is presented in the paper. Non-destructive in-situ replica method was used without damaging the blades for the evaluation of microstructure. The theoretical life of the stator blades of the gas turbine, which was exposed to temperature varying between 1060°C to 1100°C, was approximately 100,000 hours. In order to assess the suitability of the stator blades after 50% of the service life, fractal based microstructural damage evaluation has been conducted. The fractal dimensions of the in situ metallographic images can be correlated to the progressive deterioration of hardness at various locations of the blades. The extent of damage is inversely proportional to the fractal dimension. For fractal dimension below 2.4, the material can be classified as substantially damaged. A fractal based evaluation of microstructural damage in Ni based superalloy cast IN 738 LC used in gas turbine blades is presented in the paper. Non-destructive in-situ replica method was used without damaging the blades for the evaluation of microstructure. The theoretical life of the stator blades of the gas turbine, which was exposed to temperature varying between 1060°C to 1100°C, was approximately 100,000 hours. In order to assess the suitability of the stator blades after 50% of the service life, fractal based microstructural damage evaluation has been conducted. The fractal dimensions of the in situ metallographic images can be correlated to the progressive deterioration of hardness at various locations of the blades. The extent of damage is inversely proportional to the fractal dimension. For fractal dimension below 2.4, the material can be classified as substantially damaged. (en)
Title	Fractural based microstructural damane evaluation in Ni-based superalloy gas turbine blades Fractural based microstructural damane evaluation in Ni-based superalloy gas turbine blades (en)
skos:prefLabel	Fractural based microstructural damane evaluation in Ni-based superalloy gas turbine blades Fractural based microstructural damane evaluation in Ni-based superalloy gas turbine blades (en)
skos:notation	RIV/68081723:_____/10:00358287!RIV11-AV0-68081723
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(AV0Z20410507)
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Dlouhý, Ivo
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
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	259695
http://linked.open...ai/riv/idVysledku	RIV/68081723:_____/10:00358287
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Ni-base superalloy; gas turbine; microstructure; hardness; fractal dimension (en)
http://linked.open.../riv/klicoveSlovo	hardness microstructure fractal dimension Ni-base superalloy gas turbine
http://linked.open...ontrolniKodProRIV	[B5FDC9451520]
http://linked.open...v/mistoKonaniAkce	Ostrava
http://linked.open...i/riv/mistoVydani	Ostrava
http://linked.open...i/riv/nazevZdroje	New Methods of Damage and Failure Analysis of Structural Parts
http://linked.open...in/vavai/riv/obor	JL
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...UplatneniVysledku	2010
http://linked.open...iv/tvurceVysledku	Dlouhý, Ivo Tarafder, M. Das, S. K. Hore, S.
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2010-09-06 (xsd:date)
http://linked.open...n/vavai/riv/zamer	Physical properties of advanced materials in relation to their microstructure and processing
number of pages	9 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Vysoká škola báňská - Technická univerzita Ostrava
https://schema.org/isbn	978-80-248-2265-5
is http://linked.open...avai/riv/vysledek of	Fractural based microstructural damane evaluation in Ni-based superalloy gas turbine blades Fractural based microstructural damane evaluation in Ni-based superalloy gas turbine blades Fractural based microstructural damane evaluation in Ni-based superalloy gas turbine blades

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