About: Fatigue life and fracture of cast gamma TiAl intermetallic alloy at room and elevated temperatures

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About: Fatigue life and fracture of cast gamma TiAl intermetallic alloy at room and elevated temperatures Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The low-cycle fatigue properties, surface relief and fracture surfaces of cast TiAl alloys with 2 at.% Nb having nearly lamellar microstructure were studied at room temperature and at 750 degrees C. Cyclic stress-strain curves (CSSC) and fatigue life curves were obtained at both temperatures. The surface relief and the fracture surfaces of fractured specimens were observed using scanning electron microscopy. At room temperature, significant cyclic hardening is observed whereas at 750 degrees C cyclic response was stable. Parameters of the CSSC, the Manson-Coffin law and the Basquin law were determined. Persistent slip markings formed along interlamellar interfaces were predominant locations for fatigue cracks at both temperatures. The cracks initiated at surface or in sub-surface region led to the formation of smooth flat areas on the fracture surface corresponding to the persistent slip bands. The low-cycle fatigue properties, surface relief and fracture surfaces of cast TiAl alloys with 2 at.% Nb having nearly lamellar microstructure were studied at room temperature and at 750 degrees C. Cyclic stress-strain curves (CSSC) and fatigue life curves were obtained at both temperatures. The surface relief and the fracture surfaces of fractured specimens were observed using scanning electron microscopy. At room temperature, significant cyclic hardening is observed whereas at 750 degrees C cyclic response was stable. Parameters of the CSSC, the Manson-Coffin law and the Basquin law were determined. Persistent slip markings formed along interlamellar interfaces were predominant locations for fatigue cracks at both temperatures. The cracks initiated at surface or in sub-surface region led to the formation of smooth flat areas on the fracture surface corresponding to the persistent slip bands. (en)
Title	Fatigue life and fracture of cast gamma TiAl intermetallic alloy at room and elevated temperatures Fatigue life and fracture of cast gamma TiAl intermetallic alloy at room and elevated temperatures (en)
skos:prefLabel	Fatigue life and fracture of cast gamma TiAl intermetallic alloy at room and elevated temperatures Fatigue life and fracture of cast gamma TiAl intermetallic alloy at room and elevated temperatures (en)
skos:notation	RIV/68081723:_____/11:00439947!RIV15-GA0-68081723
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GAP107/11/0704), Z(AV0Z20410507)
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Petrenec, Martin Šmíd, Miroslav Polák, Jaroslav
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	199401
http://linked.open...ai/riv/idVysledku	RIV/68081723:_____/11:00439947
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	low cycle fatigue; cast gamma TiAl alloy; fracture surfaces; PSMs; elevated temperature (en)
http://linked.open.../riv/klicoveSlovo	fracture surfaces PSMs low cycle fatigue elevated temperature cast gamma TiAl alloy
http://linked.open...ontrolniKodProRIV	[8F72947A3D17]
http://linked.open...v/mistoKonaniAkce	Brno
http://linked.open...i/riv/mistoVydani	Ostrava
http://linked.open...i/riv/nazevZdroje	METAL 2011 Conference Proceedings - Papers
http://linked.open...in/vavai/riv/obor	JL
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Optimization of structure and properties of advanced high-temperature cast materials alloyed with carbon by complex heat treatment
http://linked.open...UplatneniVysledku	2011
http://linked.open...iv/tvurceVysledku	Petrenec, Martin Polák, Jaroslav Šmíd, Miroslav
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2011-05-18 (xsd:date)
http://linked.open...n/vavai/riv/zamer	Physical properties of advanced materials in relation to their microstructure and processing
number of pages	6 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Tanger s.r.o.
https://schema.org/isbn	978-80-87294-24-6

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