About: Creep behaviour and microstructure changes of model cast Ni-Cr-W-C alloys

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	A comparative study of creep and microstructural properties of two model cast Ni-Cr-W-C alloys (Alloys A and B) resistant to high-temperature oxidation with different contents of Cr, W, Zr and Fe was performed. Uniaxial tensile creep tests were carried out at temperatures from 1023 to 1273 K and at the applied stresses ranged from 20 to 250 MPa. Creep tests were followed by microstructural and fractographic investigations. A mutual comparison between the creep characteristics of the alloys under comparable creep loading conditions shows that the alloy B with higher contents of tungsten and zirconium is more creep resistant as that of the Alloy A at lower temperatures. It is suggested that the alloy A and B earn their creep strength from the combination of solid solution hardening and precipitation hardening. However, it is difficult to quantify each contribution to the overall creep strength. Possible reason for the different consequence of strengthening effects is discussed. A comparative study of creep and microstructural properties of two model cast Ni-Cr-W-C alloys (Alloys A and B) resistant to high-temperature oxidation with different contents of Cr, W, Zr and Fe was performed. Uniaxial tensile creep tests were carried out at temperatures from 1023 to 1273 K and at the applied stresses ranged from 20 to 250 MPa. Creep tests were followed by microstructural and fractographic investigations. A mutual comparison between the creep characteristics of the alloys under comparable creep loading conditions shows that the alloy B with higher contents of tungsten and zirconium is more creep resistant as that of the Alloy A at lower temperatures. It is suggested that the alloy A and B earn their creep strength from the combination of solid solution hardening and precipitation hardening. However, it is difficult to quantify each contribution to the overall creep strength. Possible reason for the different consequence of strengthening effects is discussed. (en)
Title	Creep behaviour and microstructure changes of model cast Ni-Cr-W-C alloys Creep behaviour and microstructure changes of model cast Ni-Cr-W-C alloys (en)
skos:prefLabel	Creep behaviour and microstructure changes of model cast Ni-Cr-W-C alloys Creep behaviour and microstructure changes of model cast Ni-Cr-W-C alloys (en)
skos:notation	RIV/68081723:_____/11:00367575!RIV12-AV0-68081723
http://linked.open...avai/predkladatel	Ústav fyziky materiálů AVČR, v.v.i.
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(AV0Z20410507)
http://linked.open...iv/cisloPeriodika	-
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Kvapilová, Marie Svoboda, Milan Kuchařová, Květa Sklenička, Václav
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
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	192229
http://linked.open...ai/riv/idVysledku	RIV/68081723:_____/11:00367575
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	cast Ni based superalloy; creep properties; phase stability (en)
http://linked.open.../riv/klicoveSlovo	cast Ni based superalloy creep properties phase stability
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[A43594070BD6]
http://linked.open...i/riv/nazevZdroje	Procedia Engineering
http://linked.open...in/vavai/riv/obor	JG
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...UplatneniVysledku	2011
http://linked.open...v/svazekPeriodika	10
http://linked.open...iv/tvurceVysledku	Hrbáček, K. Kuchařová, Květa Kvapilová, Marie Sklenička, Václav Svoboda, Milan
http://linked.open...n/vavai/riv/zamer	Physical properties of advanced materials in relation to their microstructure and processing
issn	1877-7058
number of pages	6 (xsd:int)
is http://linked.open...avai/riv/vysledek of	Creep behaviour and microstructure changes of model cast Ni-Cr-W-C alloys Creep behaviour and microstructure changes of model cast Ni-Cr-W-C alloys

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