FAQ0159 What is the difference among Young's modulus and flexural modulus?

Answer

This question is often inquired.
Young's modulus is one of modulus of elasticity in tension.
It is defined as the proportional constant of Hooke's law(E=T/e)
E =T/e
E is Young's Modulus,
T is stress ,
e is stress
Flexural modulus is defined as three points of flexural test.
E = L3F/4bh3Y. E is flexural modulus, L is distance of fulcrum to fulcrum,
b is sample width,
h is sample thickness,
F is load at linear part and Y is flexure at F.

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