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Corrosion Glossary - Y

  • Yield: evidence of plastic deformation in structural materials. also called plastic flow or creep. see also flow.
  • Yield point: the first stress in a material, usually less than the maximum attainable stress, at which an increase in strain occurs without an increase in stress.
  • Yield strength: the stress at which a material exhibits a specified deviation from proportionality of stress and strain. An offset of 0.2% is used for many metals.
  • Yield stress: the stress level in a material at or above the yield strength but below the ultimate strength, i.e. a stress in the plastic range.