Question: 1 . ( a ) Discuss the physics behind the strain hardening employing a flow curve and corresponding substructure evolution. b ) An axial load

1.(a) Discuss the physics behind the strain hardening employing a flow curve and corresponding substructure evolution.
b) An axial load of 25000 kg is applied on a cylindrical specimen of 6 mm radius and 60 mm length. Failure occurs in the specimen at angle of 60 to the axis of specimen. Calculate the shear stress on the plane of failure in MPa?
1 . ( a ) Discuss the physics behind the strain

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