Mando3063 Mando3063
  • 24-05-2023
  • Engineering
contestada

A specimen of a 4340-steel alloy with a plane strain fracture toughness of 54.8 MPa m1/2 is exposed to a stress of 1030 MPa. Calculate the critical stress if the largest internal crack is 1 mm. Express your answer in MPa to four significant figures.

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