Tensile Properties of Aluminum using Lloyds Testing Machine

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d) True Stress ( ) and True Strain( ) : = s(1+e), ( ) = ln(1+e) e) Tensile Strength or Ultimate Tensile Strength: Stress corresponding to the maximum force Fig. 2 : Typical yield point behavior f) Yield Stress: When the metallic material exhibits a yield phenomenon, a point is reached during the test at which plastic deformation occurs without any increase in

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