Conditions of bubble formation in the intergranular layer of a glass phase in ceramics sintering

  • D. N. Karpinskii
  • G. I. Panchikhina


Calculation results for the evolution of the gas-concentration distribution in the intergranular layer of a glass phase cooling from the sintering temperature to room temperature are presented. The calculations are performed for two stages of cooling of the glass phase. The calculation results suggest that gas dissolution in the intergranular layer of the glass phase leads to substantial softening of the conditions of bubble formation in it, and the second (low-temperature) stage of cooling makes a major contribution to the saturation of the glass phase with the gas.


Fracture Toughness Hydrogen Embrittlement Bubble Formation Glass Phase Piezoelectric Ceramic 
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© Kluwer Academic/Plenum Publishers 1999

Authors and Affiliations

  • D. N. Karpinskii
  • G. I. Panchikhina

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