About: Stability of phases at high temperatures in CoRe based alloys being developed for ultra-high temperature applications

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	In the development of new high-temperature alloys for gas turbine applications various candidates are under consideration. This contribution deals with a CoRe based alloy strengthened by Cr23C6 type carbide and Cr2Re3 type phase precipitations (here designated as CoRe-1 alloy). High-temperature cycling experiments show how the influence of heating, cooling and the hcp <-> fcc phase transformation of the Co-matrix on the stability of these phases. Neutron diffraction experiments with high-temperature vacuum furnace show that Cr23C6 carbides starts to dissolve around 1100 degrees C and above 1250 degrees C are almost completely dissolved. On the other hand sigma phase is still present at 1300 degrees C. This contribution describes the evolution of the different phases during the heating and cooling cycles which are repeated two times. Further, the influence of boron addition to CoRe-1 alloy was studied for samples in the first heating/cooling cycle. A newly developed tensile rig was also tested up to 980 degrees C to combine in situ loading and heating for the neutron diffraction measurements. In the development of new high-temperature alloys for gas turbine applications various candidates are under consideration. This contribution deals with a CoRe based alloy strengthened by Cr23C6 type carbide and Cr2Re3 type phase precipitations (here designated as CoRe-1 alloy). High-temperature cycling experiments show how the influence of heating, cooling and the hcp <-> fcc phase transformation of the Co-matrix on the stability of these phases. Neutron diffraction experiments with high-temperature vacuum furnace show that Cr23C6 carbides starts to dissolve around 1100 degrees C and above 1250 degrees C are almost completely dissolved. On the other hand sigma phase is still present at 1300 degrees C. This contribution describes the evolution of the different phases during the heating and cooling cycles which are repeated two times. Further, the influence of boron addition to CoRe-1 alloy was studied for samples in the first heating/cooling cycle. A newly developed tensile rig was also tested up to 980 degrees C to combine in situ loading and heating for the neutron diffraction measurements. (en)
Title	Stability of phases at high temperatures in CoRe based alloys being developed for ultra-high temperature applications Stability of phases at high temperatures in CoRe based alloys being developed for ultra-high temperature applications (en)
skos:prefLabel	Stability of phases at high temperatures in CoRe based alloys being developed for ultra-high temperature applications Stability of phases at high temperatures in CoRe based alloys being developed for ultra-high temperature applications (en)
skos:notation	RIV/61389005:_____/12:00388190!RIV13-AV0-61389005
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(FR-TI1/378)
http://linked.open...iv/cisloPeriodika	012052
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Strunz, Pavel
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 jaderné fyziky AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	170824
http://linked.open...ai/riv/idVysledku	RIV/61389005:_____/12:00388190
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	neutron diffraction; Co-base alloy; electron microscopy (en)
http://linked.open.../riv/klicoveSlovo	Co-base alloy electron microscopy neutron diffraction
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[78E271E08B58]
http://linked.open...i/riv/nazevZdroje	Journal of Physics: Conference Series
http://linked.open...in/vavai/riv/obor	BM
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (xsd:int)
http://linked.open...vavai/riv/projekt	Application of neutron scattering in industry
http://linked.open...UplatneniVysledku	2012
http://linked.open...v/svazekPeriodika	340
http://linked.open...iv/tvurceVysledku	Gilles, R. Mukherji, D. Strunz, Pavel Rösler, J. Hofmann, M. Holzel, M.
http://linked.open...ain/vavai/riv/wos	000301288200052
issn	1742-6588
number of pages	9 (xsd:int)
http://bibframe.org/vocab/doi	10.1088/1742-6596/340/1/012052

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