Ceramic materials

Ceramic materials

1. General properties

   • Ceramics are mede with clay that is abundant in nature when clay is wet is easy to change her shape

2. How ceramics materias are made

   • Preparations
     • The clay is cleaned to eliminate plant material, such as roots and leaves.
   • Mixing
     • The clay is mixed with water
   • shaping
     • The clay is shaped into its final form.
   • Firing
     • This is done in special ovens called kilns at temperatures between 700ºC and 1700ºC
   • Drying
     • The clay is dried to eliminate water in heated tunnels
   • Decoration
     • After objects have been fired, they can be decorated

3. Classification of ceramis materials

   • Terracota
     • Bricks, roof tiles, and pottery
   • Earthenware
     • Crockery, decorative objects
   • Refractory ceramics
     • Blast furnace linings
   • Stoneware
     • Very hard, durable tiles
   • Porcelain
     • Tableware, decorative objects, bathroom fixtures