A unidriectional, continuously reinforced glass fiber composite has Vf=60 volume percent fibers in a matrix of epoxy. Glass has a Young's Modulus of Eglass=70GPa; epoxy has a Young's Modulus of Eepoxy=2GPa

Question

(a) Give numerical values for

(i) the Young's Modulus for loading along the fiber axis (E1) and

{ii) the Young's Modulus for loading perpendicular to the fiber axis (E1) .

Answer 1

A unidirectional, continuously reinforced glass fiber composite has 𝑉𝑓=60 volume percent fibers in a matrix of epoxy. Glass has a Young's Modulus of 𝐸𝑔𝑙𝑎𝑠𝑠=70𝐺𝑃𝑎; epoxy has a Young's Modulus of 𝐸𝑒𝑝𝑜𝑥𝑦=2𝐺𝑃𝑎

(a) Give numerical values for

(i) the Young's Modulus for loading along the fiber axis (𝐸1) and

{ii) the Young's Modulus for loading perpendicular to the fiber axis (𝐸2) .

Answer 2

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Answer 3

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