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MECHANICAL PROPERTIES

MECHANICAL PROPERTIES - Chapter6 Why process Bondingtype...

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    Mechanical Properties Chapter 6
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Why? Use mechanical properties in the design  process Properties are affected by Bonding type Crystal Structure Imperfections Processing
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Types of Mechanical Testing Slow application of stress Tensile testing Allows dislocations to move Rapid application of stress Impact testing Ability of a material to absorb energy as it  fails
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Types of Mechanical Testing Fracture Toughness How does a material respond to cracks  and flaws Fatigue What happens when loads are cycled? High Temperature Loads Creep
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Strength of Materials You will study most of these tests in  more detail in “Strengths of Materials”
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Tensile Testing We have a United brand tensile testing  machine Often called an Instron – which is a  brand name Slowly pulls on a sample The sample deforms, then fails We measure the load and the  deformation
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