Change in the Surface and Volume of Pores under Various Sintering Conditions

  • V. A. Ivensen
Part of the Studies in Soviet Science book series (STSS)


In the preceding chapter we examined the phenomenological manifestations of the two elementary processes — bulk flow and elimination of imperfections in crystals — that are primarily responsible for the course of densification. During sintering there are signs of the development of still another elementary process — migration of the substance along the surface of pores (self-diffusion surface). The outward manifestation of this process is a substantial increase in the gas permeability of porous bodies after sintering at low temperature, which is due to the smoothing out of the surface relief and the simplification of the shape of interconnected pores.


Sinter Temperature Surface Relief Bulk Flow Porous Body Sinter Condition 
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Copyright information

© Consultants Bureau, New York 1973

Authors and Affiliations

  • V. A. Ivensen
    • 1
  1. 1.All-Union Scientific Research Institute for Hard AlloysMoscowUSSR

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