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  • Intermetalická sloučenina obsahující cca 50 at. % Ni a 50 at. % Ti je považována za standardní paměťovou slitinu. Základním předpokladem pro metalurgii těchto materiálů je striktní dodržení chemického složení slitiny, které je hlavní podmínkou pro výrobu slitiny s požadovanými transformačními teplotami. Pro tavení je nutno použít nejčistšího dustupného argonu v důsledku vysoké afinity titanu ke kyslíku. Při této metodě je dosahováno teplot až 6500 K. Chemické homogeneity může být dosaženo tavením ve vakuové indukční peci. Na výslednou kvalitu ingotu má zásadní vliv material kelímku. Kelímky z Al2O3 a MgO nemohou být použity z důvodu obsahu kyslíku. Kyslík obsažený v grafitovém kelímku může být zanedbán, nicméně musí být brána v úvahu absorpce uhlíku. Slitiny na bázi Ni-Ti jsou obvykle taveny při teplotě cca 1500 °C. Pro přípravu drátů je nejvhodnější použití technologie rotačního kování v kombinaci s tažením. Cílem tváření za tepla je změna licí struktury a dosažení vhodné velikosti zrna, vhodného pro (cs)
  • Intermetallic compound containing approx. 50 at.% Ni and 50 at. % Ti is considered as standard shape memory alloy. The basic requirement to metallurgy of these advanced materials is strict adherence to chemical composition of the alloy, which is the main condition for obtaining of the alloy with the required transformation temperatures. At use plasma melting, material is placed into copper water-cooled mold. For the melting as such it is necessary to use the cleanest available argon due to high affinity of titanium to oxygen. Plasma temperature achieves at this method of melting 6500 K. Chemical homogeneity can be achieved at vacuum induction melting. Material of crucible has at this method the principal influence on quality of ingot. Ni-Ti based alloys are usually melted at the temperature of approx. 1500 °C. For obtaining of wire it is best to use technology of swagging in combination with subsequent drawing. This article deals with preparation of Ni-Ti shape memory alloys in plasma furnace and vac
  • Intermetallic compound containing approx. 50 at.% Ni and 50 at. % Ti is considered as standard shape memory alloy. The basic requirement to metallurgy of these advanced materials is strict adherence to chemical composition of the alloy, which is the main condition for obtaining of the alloy with the required transformation temperatures. At use plasma melting, material is placed into copper water-cooled mold. For the melting as such it is necessary to use the cleanest available argon due to high affinity of titanium to oxygen. Plasma temperature achieves at this method of melting 6500 K. Chemical homogeneity can be achieved at vacuum induction melting. Material of crucible has at this method the principal influence on quality of ingot. Ni-Ti based alloys are usually melted at the temperature of approx. 1500 °C. For obtaining of wire it is best to use technology of swagging in combination with subsequent drawing. This article deals with preparation of Ni-Ti shape memory alloys in plasma furnace and vac (en)
Title
  • Specifications of preparation of Ni-Ti shape memory alloys
  • Specifika přípravy Ni-Ti paměťových slitin (cs)
  • Specifications of preparation of Ni-Ti shape memory alloys (en)
skos:prefLabel
  • Specifications of preparation of Ni-Ti shape memory alloys
  • Specifika přípravy Ni-Ti paměťových slitin (cs)
  • Specifications of preparation of Ni-Ti shape memory alloys (en)
skos:notation
  • RIV/61989100:27360/06:00014190!RIV07-GA0-27360___
http://linked.open.../vavai/riv/strany
  • 196-2005
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(GA106/03/0231), Z(MSM6198910013)
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 500703
http://linked.open...ai/riv/idVysledku
  • RIV/61989100:27360/06:00014190
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • Shape memory; Ni-Ti; Martensite; plasma metallurgy (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...ontrolniKodProRIV
  • [4F1296C67014]
http://linked.open...i/riv/mistoVydani
  • Leoben
http://linked.open...i/riv/nazevZdroje
  • 13. Internationaler Studententag der Metallurgie
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...iv/tvurceVysledku
  • Kursa, Miroslav
  • Szurman, Ivo
http://linked.open...n/vavai/riv/zamer
number of pages
http://purl.org/ne...btex#hasPublisher
  • ASMET, Austrian Society for Metallurgy and Materials
https://schema.org/isbn
  • 3-901384-18-9
http://localhost/t...ganizacniJednotka
  • 27360
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