Volume of Pores in Relation to Isothermal Sintering Time
An important stage in studying the mechanism of a complex physical process is the investigation of its kinetic characteristics by observing the changes with time of the parameters characterizing the development of the process. Although measuring the reduction of linear dimensions or the volume of a sintered body with time presents no experimental difficulties, the investigation of the kinetics of densification of powders is far from complete. Most investigations have been limited to qualitative or semiquantitative descriptions of the process, and only in recent years have empirical formulas been presented with constants that have no clear physical or phenomenological interpretation.
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