What is the relation between frequency and dynamic Youngs modulus obtained during internal friction analysis in metals ?

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S.D. Pathak

Dynamic Youngs modulus is expected to be higher than static modulus as time dependent processes may be slowed down.

Lena J-T Strömberg

Dear Sourav Ganguly,

It is a range of questions. Youngs modulus is one thing, and strength of steel another, related.

Do you concern degradation, such that you mean a type of Youngs modulus after a dynamic load sequence? Or combined dynamic loads with strength and stiffness measure at certain times.