Ceramic materials

Ceramic materials

1. General properties

   • clay
     • Wet
       • Soft
       • Paliable
     • dry
       • Porous
       • Chemically inert
       • Resistant to high temperatures

2. How ceramic materials are made

   • Preparation
     • Cleans and breaks
   • Mixing
     • Is mixed and some of raw materials melt
   • Shaping
     • it's shaped into it's final forms
   • Drying
     • It's dried to eliminate water
   • Firing
     • ovens (700C and 1700C)
   • Decoration
     • After objects have been fired, decorate it

3. Classification of ceramic materials

   • coarse ceramics
     • Terracotta
       • Hard, rough and fragile
       • Bricks, vases, roof tiles...
     • Earthenware
       • Fine and smooth
       • crockery, decorative objects and bathroom tiles.
     • Refractory ceramics
       • Can resist temperatures up to 3000C
       • Blast furnace linings, electrical and electronic components
   • fine ceramics
     • Stoneware
       • very compactable and hard enough to scratch glass,
       • Very hard, durable tiles, tubes and bricks
     • Porcelain
       • Transparent, translucent, compact, acid-resistant and hard enough to scratch glass.
       • Tableware, decorative objects, fixtures, bathroom, laboratory materials for the chemical industry.