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Statements

Subject Item
n2:RIV%2F61989100%3A27360%2F10%3A86075216%21RIV12-GA0-27360___
rdf:type
skos:Concept n22:Vysledek
dcterms: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.
dcterms:title
Methods for Ni-Ti based alloys preparation and their comparison Methods for Ni-Ti based alloys preparation and their comparison
skos:prefLabel
Methods for Ni-Ti based alloys preparation and their comparison Methods for Ni-Ti based alloys preparation and their comparison
skos:notation
RIV/61989100:27360/10:86075216!RIV12-GA0-27360___
n3:aktivita
n11:Z n11:P
n3:aktivity
P(GA106/09/1573), Z(MSM6198910013)
n3:dodaniDat
n16:2012
n3:domaciTvurceVysledku
n7:6608787 n7:2890194
n3:druhVysledku
n21:D
n3:duvernostUdaju
n13:S
n3:entitaPredkladatele
n15:predkladatel
n3:idSjednocenehoVysledku
270713
n3:idVysledku
RIV/61989100:27360/10:86075216
n3:jazykVysledku
n20:eng
n3:klicovaSlova
SEM; plasma melting; vacuum induction melting
n3:klicoveSlovo
n12:vacuum%20induction%20melting n12:SEM n12:plasma%20melting
n3:kontrolniKodProRIV
[0E0F38A40932]
n3:mistoKonaniAkce
Rožnov pod Radhoštěm
n3:mistoVydani
Ostrava
n3:nazevZdroje
METAL 2010
n3:obor
n4:JG
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
2
n3:projekt
n9:GA106%2F09%2F1573
n3:rokUplatneniVysledku
n16:2010
n3:tvurceVysledku
Kursa, Miroslav Szurman, Ivo
n3:typAkce
n18:WRD
n3:zahajeniAkce
2010-05-18+02:00
n3:zamer
n17:MSM6198910013
s:numberOfPages
6
n10:hasPublisher
Tanger s.r.o.
n19:isbn
978-80-87294-17-8
n8:organizacniJednotka
27360