In some materials the relationship between stress and strain
during plastic deformation is given by σ
=...
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Chemistry
In some materials the relationship between stress and strainduring plastic deformation is given by σ= σy+ K(ε − εy) n  whereK and n are constants. What is the energy absorbed by thespecimen during plastic deformation in a tensile test if thematerial yields at a strain of εy and fails at a strainof εf?
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Plastic deformation means when the stress is removed the material does not return to its previous dimension but there is a permanent irreversible deformation In tensile tests if the deformation is elastic the
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