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Strain and Surface Energy Effects in Ceramic Processes

  • E. Dow Whitney
Part of the Materials Science Research book series (MSR, volume 11)

Abstract

Strain and surface energy effects often play important roles in determining both the kinetic nature of phase transformations and in the appearance of metastable high temperature phases. Familiar examples are to be found in the effect of these parameters on the kinetics of the monoclinic-tetragonal transformation in zirconia, the occurrence of high temperature tetragonal ZrO2 as a metastable state at low temperatures, and in the appearance of high cristobalite in samples of opal at room temperature. High surface area powders possessing “excess” surface energy (relative to a large single crystal) are called “active” and exhibit sometimes unusual properties.

Keywords

Tetragonal Phase Large Single Crystal Chemical Free Energy Store Strain Energy Surface Energy Effect 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Plenum Press, New York 1978

Authors and Affiliations

  • E. Dow Whitney
    • 1
  1. 1.University of FloridaGainesvilleUSA

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