Question

why stress and strain curve ?​

Answer 1

stress–strain curve for a material gives the relationship between stress and strain. ... These curves reveal many of the properties of a material such as the Young's modulus, the yield strength and the ultimate tensile strength.

Answer 2

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YOUR ANSWER IS

A stress–strain curve for a material gives the relationship between stress and strain. ... These curves reveal many of the properties of a material such as the Young's modulus, the yield strength and the ultimate tensile strength.