Analytical expressions for the initial sintering of glass powders were developed to describe shrinkage of powder compacts at a constant rate of heating. Data describing sintering of soda‐lime glass spheres as measured by shrinkage of powder compacts at rates of heating from 0.46 to 2.91°C/min are consistent with the model analytical expressions. Compacts of glass spheres decreased in size exponentially with increasing temperature as predicted by the model.
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IVAN B. CUTLER (1969) studied this question.
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