Question

What happens to young's modulus when temperature increases?

Answer 1

We know that with the increase intemperature bonding strength decreases. Generally Young's modulus decreases with the decrease in temperature upto the melting point.High melting point materials have high Young's modulus.

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Answer 2

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$\huge\bold\orange{Answer}$

When the temperature increases, the atomic thermal vibrations increase, and this will cause the changes of lattice potential energy and curvature of the potential energy curve, so the Young's modulus will also change. And with the increase of temperature, the material will have a volume expansion