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Unformatted text preview: Click to edit Master subtitle style 7/7/10 Cer amics is F un! Properties and Processing Amber Will Qing 7/7/10 Musical Chairs Everyone who is in the game will have their nametag. The music starts and everyone walks counterclockwise around the circle until the music stops. Then everyone sits in a chair. One person will not have a seat, this is the challenger. 7/7/10 RULES No pushing, tripping or running Everyone has 15 seconds to answer questions except if: 1) you draw a name out of the hat for help = +10 seconds 7/7/10 Stable and unstable ceramic crystal structures form coordination configurations based on the cation-anion radius ratio. Why is middle Each cation and anion prefer to have as many nearest- neighbors as possible; thus a stable crystal structure only forms when the anions surrounding a cation are all in contact with that cation 7/7/10 The various forms of carbon include diamond, fullerenes, ________ and ________. GRAPHITE and NANOTUBES. Uses: Diamond-cut and grind softer materials, utilized in thin film Gr aphite-lubricant, high strength and chemical stability at high temperatures Fuller enes-fiber optics, superconductors Nanotubes- unusual electrical characteristics 7/7/10 A compounds chemical formula can describe its crystal structure. From the table, deduce and AND tell why there is an A and a B. Str uctur e Type Example AX MgO ABX3 SrZrO3 ABX MgAl2O4 = 2, = 4 A and B are two different cations 7/7/10 Ceramics have crystalline or noncrystalline structures and A) For crystalline ceramics, plastic deformation occurs due to viscous flow. For noncrystalline ceramics it occurs due to dislocations. B) For crystalline ceramics, plastic deformation occurs due to dislocations. For noncrystalline ceramics it occurs due to viscous flow....
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This note was uploaded on 07/07/2010 for the course CHEM 3302 taught by Professor ... during the Spring '10 term at University of Minnesota Morris.

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CeramicsPowerPoint - Click to edit Master subtitle style...

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