Ch. 02 - Chapter 02 Properties of Materials 2.1...

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1/15/2010 1 Chapter 02: Properties of Materials 2.1 Introduction Successful products begin with the appropriate materials Materials rarely come in the right shape, size, and quantity for use Parts and components are produced by subjecting engineering materials to one or more processes Manufacturing requires knowledge in several areas Figure 2-1 The manufacturing relationships among structure, properties, processing, and performance.
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1/15/2010 2 Requirements for Design Material requirements must be determined Strength Rigidity Resistance to fracture Ability to withstand vibrations or impacts Weight Electrical properties Appearance Ability to operate under temperature extremes Corrosion resistance Metallic and Nonmetallic Materials Metallic materials Iron, steel, copper, aluminum, magnesium, etc. General properties Luster, high thermal conductivity, high electrical conductivity, ductile Nonmetallic materials Wood, brick, concrete, glass, rubber, plastic, etc. General properties Weaker, less ductile, less dense
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