About: Experimental and Theoretical Study of Redistribution of Alloying Elements in Ni-based Weld Joints at High Temperatures     Goto   Sponge   NotDistinct   Permalink

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  • Ni-based diffusion couples were investigated experimentally at 1000ºC and 1200ºC. The experimental results were compared with theoretical calculations. Equilibrium calculations needed were obtained using CALPHAD approach. The diffusion processes were simulated by means of DICTRA program. The thermodynamic database TCNI was used for equilibrium calculations. User kinetic database was taken for evaluation of diffusion fluxes. The experimental techniques of light microscopy and analytical electron microscopy (TEM, SEM, EDAX) were used. An additional microhardness measurement was also performed. Some particular aspects of the joining of the Ni-based superalloys are discussed. An experimental evidence of validity of local phase equilibrium assumption is given.
  • Ni-based diffusion couples were investigated experimentally at 1000ºC and 1200ºC. The experimental results were compared with theoretical calculations. Equilibrium calculations needed were obtained using CALPHAD approach. The diffusion processes were simulated by means of DICTRA program. The thermodynamic database TCNI was used for equilibrium calculations. User kinetic database was taken for evaluation of diffusion fluxes. The experimental techniques of light microscopy and analytical electron microscopy (TEM, SEM, EDAX) were used. An additional microhardness measurement was also performed. Some particular aspects of the joining of the Ni-based superalloys are discussed. An experimental evidence of validity of local phase equilibrium assumption is given. (en)
Title
  • Experimental and Theoretical Study of Redistribution of Alloying Elements in Ni-based Weld Joints at High Temperatures
  • Experimental and Theoretical Study of Redistribution of Alloying Elements in Ni-based Weld Joints at High Temperatures (en)
skos:prefLabel
  • Experimental and Theoretical Study of Redistribution of Alloying Elements in Ni-based Weld Joints at High Temperatures
  • Experimental and Theoretical Study of Redistribution of Alloying Elements in Ni-based Weld Joints at High Temperatures (en)
skos:notation
  • RIV/00216224:14310/05:00012491!RIV10-MSM-14310___
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(GA106/02/0876), Z(AV0Z20410507), Z(MSM0021622410)
http://linked.open...iv/cisloPeriodika
  • 8
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
  • 521016
http://linked.open...ai/riv/idVysledku
  • RIV/00216224:14310/05:00012491
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • Nickel aluminides; Ni3Al; Diffusion; Phase diagram; DICTRA; element profile; simulation (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • NL - Nizozemsko
http://linked.open...ontrolniKodProRIV
  • [43B4FBB394A3]
http://linked.open...i/riv/nazevZdroje
  • Intermetallics
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...v/svazekPeriodika
  • 13/2005
http://linked.open...iv/tvurceVysledku
  • Buršík, Jiří
  • Brož, Pavel
  • Sopoušek, Jiří
http://linked.open...n/vavai/riv/zamer
issn
  • 0966-9795
number of pages
http://localhost/t...ganizacniJednotka
  • 14310
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