About: Evaluation of structure characteristics of centrifugally cast alloy based on Ni3Al

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Ni3Al based alloys were prepared by method of gravity or centrifugal casting on different machines. Part of alloys was prepared by method of vacuum induction casting in various atmospheres. Method of centrifugal casting was verified for this type of alloys on two different machines. Melting was performed in zirconium crucible and the melt was cast into graphite or metallic mould. The samples prepared in this manner had shape of bars, cylinders or tubes. Selected castings were used for determination of structure characteristics. Material structure was investigated in cross and longitudinal sections, phase composition, micro-hardness and material porosity were determined. The alloys have very different contents of gases – oxygen and nitrogen. Higher contents of air oxygen were determined in all types of alloys melted and cast on air. It follows form results that material is highly susceptible, in contact with air, to absorb air oxygen. The values of micro-hardness in the samples that were so far tested do not show any significant differences. No substantial influence of micro-hardness occurred in gravity cast samples melted on air, either. Ni3Al based alloys were prepared by method of gravity or centrifugal casting on different machines. Part of alloys was prepared by method of vacuum induction casting in various atmospheres. Method of centrifugal casting was verified for this type of alloys on two different machines. Melting was performed in zirconium crucible and the melt was cast into graphite or metallic mould. The samples prepared in this manner had shape of bars, cylinders or tubes. Selected castings were used for determination of structure characteristics. Material structure was investigated in cross and longitudinal sections, phase composition, micro-hardness and material porosity were determined. The alloys have very different contents of gases – oxygen and nitrogen. Higher contents of air oxygen were determined in all types of alloys melted and cast on air. It follows form results that material is highly susceptible, in contact with air, to absorb air oxygen. The values of micro-hardness in the samples that were so far tested do not show any significant differences. No substantial influence of micro-hardness occurred in gravity cast samples melted on air, either. (en)
Title	Evaluation of structure characteristics of centrifugally cast alloy based on Ni3Al Evaluation of structure characteristics of centrifugally cast alloy based on Ni3Al (en)
skos:prefLabel	Evaluation of structure characteristics of centrifugally cast alloy based on Ni3Al Evaluation of structure characteristics of centrifugally cast alloy based on Ni3Al (en)
skos:notation	RIV/61989100:27360/12:86084239!RIV13-TA0-27360___
http://linked.open...avai/predkladatel	Fakulta metalurgie a materiálového inženýrství
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(ED0040/01/01), P(TA01011128)
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Malcharcziková, Jitka Pohludka, Martin Kursa, Miroslav
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	Vysoká škola báňská - Technická univerzita Ostrava / Fakulta metalurgie a materiálového inženýrství
http://linked.open...dnocenehoVysledku	135192
http://linked.open...ai/riv/idVysledku	RIV/61989100:27360/12:86084239
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	structure; structure characteristics; Ni3Al based alloys; centrifugal casting (en)
http://linked.open.../riv/klicoveSlovo	centrifugal casting structure structure characteristics Ni3Al based alloys
http://linked.open...ontrolniKodProRIV	[7CDCBC1663A1]
http://linked.open...v/mistoKonaniAkce	Brno
http://linked.open...i/riv/mistoVydani	Ostrava
http://linked.open...i/riv/nazevZdroje	METAL 2012 : 21st International Conference on Metallurgy and Materials : conference proceedings
http://linked.open...in/vavai/riv/obor	JG
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...vavai/riv/projekt	Research and development of centrifugal casting technology of the Ni-based intermetallic compounds. Regional materials science and technology centre
http://linked.open...UplatneniVysledku	2012
http://linked.open...iv/tvurceVysledku	Kursa, Miroslav Malcharcziková, Jitka Pohludka, Martin Kaňák, D. Milata, P.
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2012-05-23 (xsd:date)
number of pages	8 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Tanger s.r.o.
https://schema.org/isbn	978-80-87294-31-4
http://localhost/t...ganizacniJednotka	27360
is http://linked.open...avai/riv/vysledek of	Evaluation of structure characteristics of centrifugally cast alloy based on Ni3Al

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