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  • The aim of this work is study of functional gradient materials, which is performed on selected diffusion couples in the Ni-Al binary system. For this purpose, diffusion joints of Ni-Ni3Al, Ni-NiAl and NiAl-Ni3Al were created by means of electron beam welding process in vacuum. The specimens prepared in this way were sealed into an evacuated silica glass tube (about 0,1 Pa) and underwent the diffusion annealing at the temperature of 1100 °C lasting 72 hours.The study itself was based on observing the structural, chemical and mechanical properties of the joint materials before and after the diffusion annealing. Martensite plains and micro-pores due to Kirkendall effect on the Ni-Ni3Al and Ni-NiAl diffusion joints were observed after the diffusion annealing. Concentration profiles of Al in the area of diffusion joints were studied and evaluated.
  • The aim of this work is study of functional gradient materials, which is performed on selected diffusion couples in the Ni-Al binary system. For this purpose, diffusion joints of Ni-Ni3Al, Ni-NiAl and NiAl-Ni3Al were created by means of electron beam welding process in vacuum. The specimens prepared in this way were sealed into an evacuated silica glass tube (about 0,1 Pa) and underwent the diffusion annealing at the temperature of 1100 °C lasting 72 hours.The study itself was based on observing the structural, chemical and mechanical properties of the joint materials before and after the diffusion annealing. Martensite plains and micro-pores due to Kirkendall effect on the Ni-Ni3Al and Ni-NiAl diffusion joints were observed after the diffusion annealing. Concentration profiles of Al in the area of diffusion joints were studied and evaluated. (en)
  • Cílem této práce je studium funkčně gradientních materiálů, které je realizováno na vybraných difuzních spojích v binárním systému Ni-Al. K tomuto účelu byly připraveny difuzní spoje Ni-Ni3Al, Ni-NiAl a NiAl-Ni3Al pomocí elektronového svařování, které bylo provedeno v aparatuře pro elektronové zonální tavení ve vakuu. Takto připravené vzorky byly zataveny do evakuované křemenné ampule (0,1 Pa) a podrobeny difuznímu žíhání při teplotě 1100°C po dobu 72 hodin. Samotné studium bylo založeno na sledování strukturních, chemických a mechanických vlastností jednotlivých spojených materiálů před a po žíhání. Po difuzním žíhání byly pozorovány martenzitické desky a mikropóry způsobené Kirkendallovým jevem u difuzních spojů Ni-Ni3Al a Ni-NiAl. Byly studovány a vyhodnoceny koncentrační profily Al v oblasti difuzních spojů. (cs)
Title
  • Studium difuzních spojů (cs)
  • The study of diffusion couple
  • The study of diffusion couple (en)
skos:prefLabel
  • Studium difuzních spojů (cs)
  • The study of diffusion couple
  • The study of diffusion couple (en)
skos:notation
  • RIV/61989100:27360/04:00010742!RIV/2005/GA0/273605/N
http://linked.open.../vavai/riv/strany
  • 755-757
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(GA106/02/1404)
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
  • 588767
http://linked.open...ai/riv/idVysledku
  • RIV/61989100:27360/04:00010742
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • Diffusion;martensite plains;Kirkendall effect;concentration profile (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...ontrolniKodProRIV
  • [1EB3DA4953DA]
http://linked.open...v/mistoKonaniAkce
  • Stará Lesná
http://linked.open...i/riv/mistoVydani
  • Košice
http://linked.open...i/riv/nazevZdroje
  • Acta Metallurgica Slovaca
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
  • Drápala, Jaromír
  • Barabaszová, K.
http://linked.open...vavai/riv/typAkce
http://linked.open.../riv/zahajeniAkce
issn
  • 1335-1532
number of pages
http://purl.org/ne...btex#hasPublisher
  • Technická univerzita v Košiciach. Hutnícka fakulta
http://localhost/t...ganizacniJednotka
  • 27360
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