About: High cycle fatigue of nickel-based superalloy MAR-M 247 at high temperatures

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About: High cycle fatigue of nickel-based superalloy MAR-M 247 at high temperatures Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The nickel-based superalloy MAR-M 247 was experimentally studied in the area of high-cycle fatigue at temperatures 650, 800 and 900 °C. The alloy, a cast polycrystalline material processed by hot isostatic pressing (HIP), was subjected to symmetrical cyclic loading. The fracture surfaces of specimens were studied by scanning electron microscopy from the perspective of the influence of temperature on the fatigue damage mechanism and fatigue crack initiation. The extent of Stage I of crystallographic fatigue crack propagation and non-crystallographic Stage II differs with various test temperatures. Fatigue crack initiation sites were predominantly shrinkage pores inherited from casting. The general description of governing mechanisms of the fatigue crack initiation and the crack propagation are proposed. The nickel-based superalloy MAR-M 247 was experimentally studied in the area of high-cycle fatigue at temperatures 650, 800 and 900 °C. The alloy, a cast polycrystalline material processed by hot isostatic pressing (HIP), was subjected to symmetrical cyclic loading. The fracture surfaces of specimens were studied by scanning electron microscopy from the perspective of the influence of temperature on the fatigue damage mechanism and fatigue crack initiation. The extent of Stage I of crystallographic fatigue crack propagation and non-crystallographic Stage II differs with various test temperatures. Fatigue crack initiation sites were predominantly shrinkage pores inherited from casting. The general description of governing mechanisms of the fatigue crack initiation and the crack propagation are proposed. (en)
Title	High cycle fatigue of nickel-based superalloy MAR-M 247 at high temperatures High cycle fatigue of nickel-based superalloy MAR-M 247 at high temperatures (en)
skos:prefLabel	High cycle fatigue of nickel-based superalloy MAR-M 247 at high temperatures High cycle fatigue of nickel-based superalloy MAR-M 247 at high temperatures (en)
skos:notation	RIV/68081723:_____/14:00435146!RIV15-MPO-68081723
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(EE2.3.20.0214), P(FR-TI4/030)
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Šmíd, Miroslav Hutař, Pavel Kunz, Ludvík
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	19050
http://linked.open...ai/riv/idVysledku	RIV/68081723:_____/14:00435146
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	High cycle fatigue; Superalloy; MAR-M 247; High temperature; Fracture surface; S-N curve (en)
http://linked.open.../riv/klicoveSlovo	MAR-M 247 High temperature High cycle fatigue Superalloy S-N curve Fracture surface
http://linked.open...ontrolniKodProRIV	[F826724B54CB]
http://linked.open...v/mistoKonaniAkce	Verbania
http://linked.open...i/riv/mistoVydani	Amsterdam
http://linked.open...i/riv/nazevZdroje	XVII International Colloquium on Mechanical Fatigue of Metals (ICMFM17)
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	Human Resources Development in the research of physical and material properties of emerging, newly developed and applied engineering materials Research and development of mechanical properties for new types of nickel-based superalloy castings developed by technologies investment precision casting method
http://linked.open...UplatneniVysledku	2014
http://linked.open...iv/tvurceVysledku	Hutař, Pavel Hrbáček, K. Kunz, Ludvík Šmíd, Miroslav
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2014-06-25 (xsd:date)
issn	1877-7058
number of pages	4 (xsd:int)
http://bibframe.org/vocab/doi	10.1016/j.proeng.2014.06.273
http://purl.org/ne...btex#hasPublisher	Elsevier

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