Section 1B Metallic CrystalStructure

Section 1B Metallic CrystalStructure - Section 1 Metallic...

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MATE 210 Section 1 Metallic Crystalline Structures Gasses – no order Liquids – short range order Solids – long range order the order is determined by the type of bond STRUCTURE PROPERTIES (Smith Chapter 3, skip 3.11)
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MATE 210 Structure of Materials How atoms are arranged: orderly, periodic crystalline random, nonperiodic noncrystalline , amorphous lack of long range order (similar to atom arrangement in liquids) some glasses & polymers
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MATE 210 Crystalline Material atomic arrangement in solid: • periodic and repeating 3D array • long range order metals, many ceramics, certain polymers unit cell Fe (BCC) 1mm = 3.5 x 10 6 unit cells
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