stress
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Strain change in length E
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Af
Strain is a dimensionless quantity
Two types of stress strain
StressStrain Graph
This document summarizes Week 5 lecture content focused on stress-strain relationships, types of deformation, and material toughness. Topics include Hooke’s Law, yield stress, ultimate tensile strength, and the distinction between engineering and true stress. Additional notes explain the role of dislocations in deformation and the impact of bonding types on material properties.
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