About: Methods for Ni-Ti based alloys preparation and their comparison

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Temperatures of phase transformations and properties of the Ni-Ti and Ni-Ti-X based shape memory alloys are in the first place highly dependent on processing technology. At present, the Ni-Ti-(X) based alloys are mostly prepared in vacuum, and various methods of melting are used (electron-beam melting, arc melting, high-frequency induction melting). Another possibility for the preparation should be plasma melting. Complications during preparation are caused mainly by carbon, nitrogen and oxygen, which could form non-metallic inclusions. Due to titanium carbide formation in Ni-Ti matrix, the concentrations of nickel and titanium are shifted, so this leads to change of the temperature of martensitic transformation. Creation of a low-melting phase Ti2Ni, which causes a distinct susceptibility to hot formation of cracks, is another issue arising during melting of Ni-Ti alloys. The presented work is focused on comparison of individual methods of preparation of the alloys mentioned above. Temperatures of phase transformations and properties of the Ni-Ti and Ni-Ti-X based shape memory alloys are in the first place highly dependent on processing technology. At present, the Ni-Ti-(X) based alloys are mostly prepared in vacuum, and various methods of melting are used (electron-beam melting, arc melting, high-frequency induction melting). Another possibility for the preparation should be plasma melting. Complications during preparation are caused mainly by carbon, nitrogen and oxygen, which could form non-metallic inclusions. Due to titanium carbide formation in Ni-Ti matrix, the concentrations of nickel and titanium are shifted, so this leads to change of the temperature of martensitic transformation. Creation of a low-melting phase Ti2Ni, which causes a distinct susceptibility to hot formation of cracks, is another issue arising during melting of Ni-Ti alloys. The presented work is focused on comparison of individual methods of preparation of the alloys mentioned above. (en)
Title	Methods for Ni-Ti based alloys preparation and their comparison Methods for Ni-Ti based alloys preparation and their comparison (en)
skos:prefLabel	Methods for Ni-Ti based alloys preparation and their comparison Methods for Ni-Ti based alloys preparation and their comparison (en)
skos:notation	RIV/61989100:27360/10:86075216!RIV12-GA0-27360___
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA106/09/1573), Z(MSM6198910013)
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	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	270713
http://linked.open...ai/riv/idVysledku	RIV/61989100:27360/10:86075216
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	SEM; plasma melting; vacuum induction melting (en)
http://linked.open.../riv/klicoveSlovo	SEM plasma melting vacuum induction melting
http://linked.open...ontrolniKodProRIV	[0E0F38A40932]
http://linked.open...v/mistoKonaniAkce	Rožnov pod Radhoštěm
http://linked.open...i/riv/mistoVydani	Ostrava
http://linked.open...i/riv/nazevZdroje	METAL 2010
http://linked.open...in/vavai/riv/obor	JG
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...vavai/riv/projekt	Optimization of the chemical composition, structural characteristics and mechanical properies of NiTi alloys for biomechanical applicatipons
http://linked.open...UplatneniVysledku	2010
http://linked.open...iv/tvurceVysledku	Kursa, Miroslav Szurman, Ivo
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2010-05-18 (xsd:date)
http://linked.open...n/vavai/riv/zamer	Processes of preparation and properties of highly pure and structural defined special materials
number of pages	6 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Tanger s.r.o.
https://schema.org/isbn	978-80-87294-17-8
http://localhost/t...ganizacniJednotka	27360
is http://linked.open...avai/riv/vysledek of	Methods for Ni-Ti based alloys preparation and their comparison Methods for Ni-Ti based alloys preparation and their comparison

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