CRITICAL STRESS AT WHICH MATERIAL START TO FLOW?
YIELD STRESS
yield stress is that ,when we apply some stress on the material ,the material deforms and retains its shape upto some level of stress,once the stress has crossed the yield point ,the material deforms plastically and cannot get back its shape ie irreversible.
YIELD STRESS
yield stress is that ,when we apply some stress on the material ,the material deforms and retains its shape upto some level of stress,once the stress has crossed the yield point ,the material deforms plastically and cannot get back its shape ie irreversible.
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