12
Ceramic Materials
12.1 INTRODUCTION
Most of the ceramics are compounds of metallic and non-metallic elements. The crystal structure of ceramics is more complex because at least two elements are involved in making a ceramic compound. Their importance lies in the fact that ceramics can be used at low as well as at high temperatures. Ceramic materials are obtained by firing them at high temperatures. Traditional ceramics are clay products likes bricks, tiles and porcelain. China ceramics are obtained by firing clay products, which are made by shaping when they are in dough form and after drying they are fired. These ceramic materials have poor strength and are brittle in nature. The interatomic bonds in ceramics are ionic to covalent.
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