1) A metal has a flow curve with parameters: strength coefficient 850 MPa and strain-hardening exponent = 0.30. A tensile specimen of the metal with gage length = 100 mm is stretched to a length = 157 %3D %3D %3D %3D mm. Compute: i.the flow stress at the new length and ii.the average flow stress that the metal has been subjected to during the deformation.

1) A metal has a flow curve with parameters: strength coefficient 850 MPa and strain-hardening exponent = 0.30. A tensile specimen of the metal with gage length = 100 mm is stretched to a length = 157 %3D %3D %3D %3D mm. Compute: i.the flow stress at the new length and ii.the average flow stress that the metal has been subjected to during the deformation.

Elements Of Electromagnetics

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Question

Qn.1
1) A metal has a flow curve with parameters: strength coefficient
850 MPa and strain-hardening exponent = 0.30. A tensile specimen of
the metal with gage length = 100 mm is stretched to a length = 157
%3D
%3D
%3D
mm.
Compute:
i.the flow stress at the new length and
ii.the average flow stress that the metal has been subjected to during
the deformation.

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