toughness of a material is equal to area under ____________ part of the stress-strain
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modulus
When the stress is greater than the yield point then residual strain will remain after unloading and energy will be dissipated. The modulus of resistence is defined as the amount of energy a material can absorb without loss.
When the stress is greater than the yield point then residual strain will remain after unloading and energy will be dissipated. The modulus of resistence is defined as the amount of energy a material can absorb without loss.
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Explanation: plastic and elastic
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