About: Structure and mechanical properties of nickel alloys

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Three different nickel alloys - IC221M, IC396 and IC438 - were prepared by induction melting followed by centrifugal casting. Metallographic samples were made of bar castings. The samples were used for microstructure documentation, for porosity evaluation and for chemical composition verifying by scanning electron microscope. The bars of nickel alloys were machined to tensile specimens, which were strained at standard conditions. It has been confirmed that dendritic structure of cast nickel alloys is unsuitable. The castings contained large shrinks which caused premature fracture of tensile specimens. This result was opposed to tensile tests of directionally solidified samples because directional solidification orientates a structure and also reduces the presence of shrinks. Therefore, it is important to continue in searching of the processes which reduce a dendritic structure of nickel alloy castings. Three different nickel alloys - IC221M, IC396 and IC438 - were prepared by induction melting followed by centrifugal casting. Metallographic samples were made of bar castings. The samples were used for microstructure documentation, for porosity evaluation and for chemical composition verifying by scanning electron microscope. The bars of nickel alloys were machined to tensile specimens, which were strained at standard conditions. It has been confirmed that dendritic structure of cast nickel alloys is unsuitable. The castings contained large shrinks which caused premature fracture of tensile specimens. This result was opposed to tensile tests of directionally solidified samples because directional solidification orientates a structure and also reduces the presence of shrinks. Therefore, it is important to continue in searching of the processes which reduce a dendritic structure of nickel alloy castings. (en)
Title	Structure and mechanical properties of nickel alloys Structure and mechanical properties of nickel alloys (en)
skos:prefLabel	Structure and mechanical properties of nickel alloys Structure and mechanical properties of nickel alloys (en)
skos:notation	RIV/61989100:27360/13:86089543!RIV14-MSM-27360___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(ED0040/01/01)
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Malcharcziková, Jitka Pohludka, Martin Szurman, Ivo 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	108386
http://linked.open...ai/riv/idVysledku	RIV/61989100:27360/13:86089543
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	nickel alloys, centrifugal casting, porosity, tensile test (en)
http://linked.open.../riv/klicoveSlovo	tensile test centrifugal casting porosity nickel alloys
http://linked.open...ontrolniKodProRIV	[D30A74B4BE8C]
http://linked.open...v/mistoKonaniAkce	Brno
http://linked.open...i/riv/mistoVydani	Ostrava
http://linked.open...i/riv/nazevZdroje	METAL 2013 : 22nd International Conference on Metallurgy and Materials : conference proceedings : May 15th - 17th 2013, Hotel Voronez I, Brno Czech Republic, EU [CD-ROM]
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...vavai/riv/projekt	Regional materials science and technology centre
http://linked.open...UplatneniVysledku	2013
http://linked.open...iv/tvurceVysledku	Kursa, Miroslav Malcharcziková, Jitka Szurman, Ivo Pohludka, Martin Michenka, V.
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2013-05-15 (xsd:date)
number of pages	6 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Tanger s.r.o.
https://schema.org/isbn	978-80-87294-41-3
http://localhost/t...ganizacniJednotka	27360

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