Intro to Material Structure-2

2 83112 bonding structures 3 83112 bonding structures

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Unformatted text preview: 0on r Equilibrium separa0on distance? 2 8/31/12 Bonding Structures 3 8/31/12 Bonding Structures Bonding Structures 4 8/31/12 Bonding Structure Summary: Primary Bonds Ceramics Large bond energy (Ionic & covalent bonding): Metals large Tm large E small α Variable bond energy (Metallic bonding): Polymers moderate Tm moderate E moderate α Direc0onal Proper0es (Covalent & Secondary): secon dary bond ing Secondary bonding dominates small Tm small E large α 5 8/31/12 Some Group...
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