Microstructural Evolution During the Processing of Sodium β-Alumina

  • Uma Chowdhry
  • R. M. Cannon
Part of the Materials Science Research book series (MSR, volume 11)


Critical examination of the microstructural evolution at each stage in the processing of sodium 3-alumina has revealed a set of controllable parameters and broad guidelines that are necessary to the understanding of the solid state sintering behavior of the material. The importance of the mode of powder preparation and the resultant powder characteristics, including the green compact micro structure, in controlling the sintering behavior are discussed. If processing variables are carefully controlled. β-aluminas can be sintered to high densities by a solid state mechanism. Encouraging results using additives for prevention of discontinuous grain growth are also described.


Microstructural Evolution Vapor Transport Transient Liquid Phase Amyl Alcohol Solute Drag 
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Copyright information

© Plenum Press, New York 1978

Authors and Affiliations

  • Uma Chowdhry
    • 1
  • R. M. Cannon
    • 1
  1. 1.Department of Materials Science and EngineeringMassachusetts Institute of TechnologyCambridgeUSA

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