Chapter 21, Problem 21.99SP

Interpretation Introduction

Interpretation:

The result of sintering of ceramic powder has to be explained.

Concept introduction:

Ceramics:

Ceramics are non-metallic, inorganic, non-molecular solids.  It comprises both crystalline materials (quartz) and amorphous materials (glass).  Pottery and porcelain are made up of silicate ceramics by applying high temperature to aluminosilicate clays.  Ceramics such as silicon carbide and silicon nitride stable upto $\text{1400-}{\text{1500}}^{\text{0}}\text{C}$ and does not oxidize in air because they are completely oxidized.