About: EFFECT OF HIP ON LOW CYCLE FATIGUE OF MAR-M247 AT 900°C

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Polycrystalline nickel-base superalloy MAR-M247 is used for high temperature applications requiring excellent combination of fatigue properties, creep resistance and surface stability. These superior high temperature characteristics derive from the microstructure which habitually consists of face centred cubic matrix γ and precipitate γ´ (L12 type ordered structure). In the present work, the high temperature low cycle fatigue behaviour of cast nickel-base superalloy MAR-M247 in as received condition and in hot isostatically pressed (HIP) condition was studied. The microstructure of the materials is characterized by dendritic grains, carbides and casting defects. Distribution and size of defects in both materials were studied. Isothermal low cycle fatigue (LCF) tests were performed on cylindrical specimens under total strain control at 900°C in air. Cyclic stress–strain response and fatigue life of both materials were assessed. Beneficial effects of HIP process on cyclic stress-strain and fatigue life curves are discussed. Polycrystalline nickel-base superalloy MAR-M247 is used for high temperature applications requiring excellent combination of fatigue properties, creep resistance and surface stability. These superior high temperature characteristics derive from the microstructure which habitually consists of face centred cubic matrix γ and precipitate γ´ (L12 type ordered structure). In the present work, the high temperature low cycle fatigue behaviour of cast nickel-base superalloy MAR-M247 in as received condition and in hot isostatically pressed (HIP) condition was studied. The microstructure of the materials is characterized by dendritic grains, carbides and casting defects. Distribution and size of defects in both materials were studied. Isothermal low cycle fatigue (LCF) tests were performed on cylindrical specimens under total strain control at 900°C in air. Cyclic stress–strain response and fatigue life of both materials were assessed. Beneficial effects of HIP process on cyclic stress-strain and fatigue life curves are discussed. (en)
Title	EFFECT OF HIP ON LOW CYCLE FATIGUE OF MAR-M247 AT 900°C EFFECT OF HIP ON LOW CYCLE FATIGUE OF MAR-M247 AT 900°C (en)
skos:prefLabel	EFFECT OF HIP ON LOW CYCLE FATIGUE OF MAR-M247 AT 900°C EFFECT OF HIP ON LOW CYCLE FATIGUE OF MAR-M247 AT 900°C (en)
skos:notation	RIV/68081723:_____/14:00435004!RIV15-AV0-68081723
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(EE2.3.30.0063)
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Šulák, Ivo Obrtlík, Karel Škorík, Viktor
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	13330
http://linked.open...ai/riv/idVysledku	RIV/68081723:_____/14:00435004
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	MAR-M-247; High temperature; Low cycle fatigue (en)
http://linked.open.../riv/klicoveSlovo	MAR-M-247 High temperature Low cycle fatigue
http://linked.open...ontrolniKodProRIV	[032770D47EFF]
http://linked.open...v/mistoKonaniAkce	Brno
http://linked.open...i/riv/mistoVydani	Ostrava
http://linked.open...i/riv/nazevZdroje	METAL 2014: 23rd International Conference on Metallurgy and Materials
http://linked.open...in/vavai/riv/obor	JL
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Talented postdocs for scientific excellence in physics of materials
http://linked.open...UplatneniVysledku	2014
http://linked.open...iv/tvurceVysledku	Hrbáček, K. Obrtlík, Karel Škorík, Viktor Šulák, Ivo
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2014-05-21 (xsd:date)
number of pages	6 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Tanger Ltd
https://schema.org/isbn	978-80-87294-52-9

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