Chapter1 - Lecture 1 Chapter 1 - Materials Science and...

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Lecture 1 Chapter 1 - Materials Science and Engineering Types of materials Structure-Property-Process relationships
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1. The fact that most metals are crystalline. 2. The nature of the primary bond in metal systems. The electronic property, resistivity, in a metal or alloy is controlled by which of the following characteristics:
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1. Ductile behavior 2. Brittle behavior The mechanical property that is most likely associated with ceramic materials is
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Major classes of materials Metals Ceramics Polymers Composites Semiconductors
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Metals Iron Copper Aluminum Silver Gold Atoms are located in regularly defined, repeating positions - a crystal Structure has “free electrons” making metals good electrical conductors Strong but very dense Moderate temperature resistance Metals resist brittle fracture by bending - ductile
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Ceramics Sand Dinnerware Sanitary ware Window Glass Graphite Combination of metallic and non-metallic
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Chapter1 - Lecture 1 Chapter 1 - Materials Science and...

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