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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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3.9 Ratings (443 Votes)
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    See Answer
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