回答
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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