The specific gravity of Al2O3 is 3.96 g/cm3. A ceramic part is produced by sintering alumina power.

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The specific gravity of Al2O3 is 3.96 g/cm3. A ceramic part is produced by sintering alumina power. It weighs 80 g when dry; 92 g after it has soaked in water, and 58 g when suspended in water. Calculate the apparent porosity, the true porosity, and the closed porosity.
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Essentials of Materials Science and Engineering

ISBN: 978-1111576851

3rd edition

Authors: Donald R. Askeland, Wendelin J. Wright

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