About: Nickel alloys in directionally solidified state – characterisation of microstructure and phase composition of the alloys

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The paper deals with the characterisation of the structure and phase composition of selected types of nickel alloys. Experimental alloys were prepared by vacuum induction casting. Castings were directionally solidified in corundum tubes with specified apex angle. Observation was carried out on the samples in the as-cast and directed state. Influencing of the structure by the process of directional solidification is evident. Porosity and micro-hardness were determined in transverse and longitudinal sections of individual samples and character of the formed structures was evaluated. Distribution of individual elements was captured on X-ray maps, which documented significant chemical heterogeneity of investigated samples. Matrix composition corresponds approximately to the nominal composition of the alloys. The alloys contain moreover with variable content of primary and alloying elements. In the alloys with molybdenum and zirconium the phase enriched by these alloying elements were detected. On the other hand chromium is evenly dispersed in the basic matrix and it does not accumulate in the phases. The paper deals with the characterisation of the structure and phase composition of selected types of nickel alloys. Experimental alloys were prepared by vacuum induction casting. Castings were directionally solidified in corundum tubes with specified apex angle. Observation was carried out on the samples in the as-cast and directed state. Influencing of the structure by the process of directional solidification is evident. Porosity and micro-hardness were determined in transverse and longitudinal sections of individual samples and character of the formed structures was evaluated. Distribution of individual elements was captured on X-ray maps, which documented significant chemical heterogeneity of investigated samples. Matrix composition corresponds approximately to the nominal composition of the alloys. The alloys contain moreover with variable content of primary and alloying elements. In the alloys with molybdenum and zirconium the phase enriched by these alloying elements were detected. On the other hand chromium is evenly dispersed in the basic matrix and it does not accumulate in the phases. (en)
Title	Nickel alloys in directionally solidified state – characterisation of microstructure and phase composition of the alloys Nickel alloys in directionally solidified state – characterisation of microstructure and phase composition of the alloys (en)
skos:prefLabel	Nickel alloys in directionally solidified state – characterisation of microstructure and phase composition of the alloys Nickel alloys in directionally solidified state – characterisation of microstructure and phase composition of the alloys (en)
skos:notation	RIV/61989100:27360/14:86092300!RIV15-TA0-27360___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(ED0040/01/01), P(LO1203), P(TA01011128)
http://linked.open...iv/cisloPeriodika	April 2014
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Malcharcziková, Jitka Pohludka, Martin Kursa, Miroslav
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	Vysoká škola báňská - Technická univerzita Ostrava / Fakulta metalurgie a materiálového inženýrství
http://linked.open...dnocenehoVysledku	32605
http://linked.open...ai/riv/idVysledku	RIV/61989100:27360/14:86092300
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	phase composition; structure; directional solidification; nickel alloys (en)
http://linked.open.../riv/klicoveSlovo	phase composition structure nickel alloys directional solidification
http://linked.open...odStatuVydavatele	CH - Švýcarská konfederace
http://linked.open...ontrolniKodProRIV	[2C1121BA89C8]
http://linked.open...i/riv/nazevZdroje	Materials Science Forum
http://linked.open...in/vavai/riv/obor	JG
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Regionální materiálově technologické výzkumné centrum - Program udržitelnosti Research and development of centrifugal casting technology of the Ni-based intermetallic compounds. Regional materials science and technology centre
http://linked.open...UplatneniVysledku	2014
http://linked.open...v/svazekPeriodika	782
http://linked.open...iv/tvurceVysledku	Kursa, Miroslav Malcharcziková, Jitka Pohludka, Martin
http://linked.open...ain/vavai/riv/wos	000338978600080
issn	0255-5476
number of pages	4 (xsd:int)
http://bibframe.org/vocab/doi	10.4028/www.scientific.net/MSF.782.441
http://localhost/t...ganizacniJednotka	27360

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