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nonmetal - Non-Metallic Materials u Pottery u Ceramics...

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Unformatted text preview: Non-Metallic Materials u Pottery u Ceramics NON-METALLIC MATERIALS u Glass u Rubber u Plastic u Adhesives u Explosives Pottery & Ceramics u Dawn Of Civilization (Pre 6000 BC) t Baked In The Sun Or Camp Fires u Clay t Primarily Hydrated Aluminum Silicates t Also Alkalis, Alkaline Earths, & Iron Oxides (Red) t Plastic When Wet u Procedure t Mix Clay With 8-15% Water & Then Form t Dry & Fire Object At 450-7500C To Drive Off Water t Higher Temps Cause Clay To Vitrify & Fuse w Ware t Middle East (800s) t Spain (1300s) t Procedure w w t Italy - Majolica (1400s - 1500s) w u Egypt & Mesopotamia t Potter’s Wheel t Kiln w w t Glazing w w Ÿ w Ÿ w Ÿ Pottery & Ceramics (Continued) u Luster Pottery & Ceramics (Continued) Pottery & Ceramics (Continued) u Chinese Porcelain t Constituents w w t Fired At 14000C t Various Colors (Blue From Cobalt) w t Earliest Porcelain w t Glorious Perfection (Ming Vases) w 1 Pottery & Ceramics (Continued) u European Pottery & Ceramics (Continued) Porcelain t Tried To Duplicate Chinese t Needed Kaolin (China Clay) t Porcelain Halfway Between Pottery & Glass t German Johann Friedrich Bottger (Early 1700s) u Ceramics t Greek “Kerameikos” - Potters Quarter Of Athens t Articles Made By Forming & Firing Clay t Modern Definition w w t England (Mid To Late 1700s) w t Josiah Wedgewood w w w t Properties w w w Pottery & Ceramics (Continued) u Uses Glass u Ingredients t Bell-Shaped Insulators For Telegraph (1850s) t Lined Vessels - Acids t Iron & Steel Industries w w t Sand (15 Parts) - Silica (Quartz Or Crushed Flint) t Soda Ash (5 Parts) - Fern Plants t Lime (4 Parts) u Procedure t Melt Inorganic Substances t Cool Without Allowing Crystallization w w t Produces Rigid Liquid (Not A Solid) Glass (Continued) u Primitive Man t Obsidian - Glassy Volcanic Rock u Egypt (4000 BC) t Colored Opaque Glaze On Beads u Roman Empire t Blowing Iron (1st Century BC) u Britain t George Ravenscroft (1673) w w w Glass (Continued) u Chinese t Magnifying Glasses (10th Century) u Italy t Spectacles For Long Sight (13th Century) u Telescope t Johannes Lippershey - Netherlands (1608) t Galileo (1609) u Microscope t Anton von Leeuwenhoek (1590) t Robert Hooke (Mid 1600s) w 2 ...
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