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  • Green bodies consisting of mixtures of submicrometric alumina powder and carbon coal were prepared by cold isostatic pressing. Sintering in air atmosphere resulted in alumina ceramics with controlled porous structure and a highly homogenous distribution of pores. Sintering in vacuum (at 1 to 5 Pa) followed by sintering in air for 2 h at 1530°C led to a graded porous structure. These samples exhibited a highly porous core and a dense surface layer. The conditions of thermodynamic equilibrium for the chemmical reactions occurring in the studied system during sintering were calculated. These were used to explain the formation of the graded porosity.
  • Green bodies consisting of mixtures of submicrometric alumina powder and carbon coal were prepared by cold isostatic pressing. Sintering in air atmosphere resulted in alumina ceramics with controlled porous structure and a highly homogenous distribution of pores. Sintering in vacuum (at 1 to 5 Pa) followed by sintering in air for 2 h at 1530°C led to a graded porous structure. These samples exhibited a highly porous core and a dense surface layer. The conditions of thermodynamic equilibrium for the chemmical reactions occurring in the studied system during sintering were calculated. These were used to explain the formation of the graded porosity. (en)
Title
  • Fabrication of graded porous ceramics using alumina-carbon powder mixtures
  • Fabrication of graded porous ceramics using alumina-carbon powder mixtures (en)
skos:prefLabel
  • Fabrication of graded porous ceramics using alumina-carbon powder mixtures
  • Fabrication of graded porous ceramics using alumina-carbon powder mixtures (en)
skos:notation
  • RIV/00216305:26210/01:PU22398!RIV/2002/MSM/262102/N
http://linked.open.../vavai/riv/strany
  • 577-584
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • Z(MSM 262100002)
http://linked.open...iv/cisloPeriodika
  • 5
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
  • 680158
http://linked.open...ai/riv/idVysledku
  • RIV/00216305:26210/01:PU22398
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • sintering, porosity, alumina (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • NL - Nizozemsko
http://linked.open...ontrolniKodProRIV
  • [904D53BF75F8]
http://linked.open...i/riv/nazevZdroje
  • Ceramics International
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...ocetUcastnikuAkce
http://linked.open...nichUcastnikuAkce
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 27
http://linked.open...iv/tvurceVysledku
  • Dobšák, Petr
  • Maca, Karel
http://linked.open...n/vavai/riv/zamer
issn
  • 0272-8842
number of pages
http://localhost/t...ganizacniJednotka
  • 26210
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