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    Critical stress, stress field

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    Question 3

    Tensile tests of an elastic material show that it has a Young's modulus of... Please see attached past exam questions

    © BrainMass Inc. brainmass.com March 4, 2021, 6:09 pm ad1c9bdddf
    https://brainmass.com/physics/classical-mechanics/critical-stress-stress-field-32064

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    Please see attached file

    (a) We know that, G =
    Plugging in the numbers,
    (b) Fracture Energy = 200 kJ/m2
    For plane strain conditions,
    This gives
    (c) For specimens with a central crack in a plate of finite width:
    ...

    Solution Summary

    The critical stress and stress fields are examined. A young's modulus for elastic materials are given.

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