Introduction to clay (1)
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Ceramics are inorganic, non-metallic materials made from earth materials containing silica that are hardened through heating. Ceramics have many domestic, religious, artistic, and distribution uses. They are made by combining base clays, plasticizers, fillers, and colorants and firing them at high temperatures. Advanced ceramics have applications such as insulation, piezoelectric devices, lasers, semiconductors, medical implants, and dinnerware.
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- 2. What are Ceramics The art and science of forming objects from earth materials containing or combined with silica, produced with the aid of heat treatment at 1300 ferenhight or more (Susan Peterson, The Art and Craft of Clay) A ceramic is an inorganic, non-metallic solid prepared by the action of heat and subsequeuent cooling (Wikipedia)
- 3. Domestic: Cooking Storing Food Transporting and Storing Water Religious or Ceramonial Uses Symbolic Representations Grave Objects Tomb Figures Distribution Evidence or Trade Artistic Expression http://www.thefakebusters.com/canopic%20jars/photos%20canopi c%20jars/Egyptian%20canopic%20jar%202.jpg
- 4. The Molecular Composition of Clay Al2O3 2SiO2 2H2O
- 6. Primary (Residual) The Mother Clay Secondary (Sedimentary) The Desendants
- 7. Kaolin Ball Clay Fireclay Stoneware http://pubs.usgs.gov/of/2001/of01- Earthenware 041/htmldocs/images/kaostru.jpg Slipclay Bentonite http://www.rockinghamcc.edu/library/pottery/coll ection_1_RCC_ancient_pottery_collection.jpg
- 9. Base Clay Plasitcizer Filler or Temper Colorant Clip Art
- 10. Firing Temperature Pyrometric Cones http://www.netzsch-thermal- analysis.com/data/produkte/31_produkt.jpg www.googleimages.com
- 11. Some Types of Advanced Ceramics Alumina Silicon Nitrate and Silicon Carbide Transformation- Toughened Zirconia (ITZ) http://www.vertebr.ae/Blog/wp-content/uploads/2010/02/zirconia-transformation-toughening-in-ceramics.gif
- 12. Some Uses of Advanced Ceramics Insulation Piezo Eletric and Magnetic Ceramics Lasers Semiconductor Medical and Bioceramics Correlle http://adsoftheworld.com/files/images/corelle_dinnerware_vending_machine.jpg