In a tensile test on a metal specimen , true strain = 0.08 at a stress = 265 MPa . When true stress = 325 MPa, true strain = 0.27. Determine the strength coefficient and the strain -hardening exponent in the flow curve equation.

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In a tensile test on a metal specimen , true strain = 0.08 at a stress = 265 MPa . When true stress = 325 MPa, true strain = 0.27. Determine the strength coefficient and the strain -hardening exponent in the flow curve equation.

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