Answer to Question #234410 in Classical Mechanics for Nii

Question

A steel tension bar 8-mm thick and 50-mm wide with an initial single-edge crack of 10-mm long is subjected to a uniaxial stress s = 140 MPa.

 i Determine the stress intensity factor K_I. If K_IC = 60 MPa , is the crack stable?

 ii. Determine the critical crack size, and

 iii. Determine the critical load.

[Take Y=1]

 

Answer 1

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