An epoxy (E = 3.25 GPa) is reinforced with 55 vol% E-glass (E = 79 GPa). The fibres are continuous and aligned. Assuming no voids, compute the modulus of elasticity in the longitudinal and transverse (lateral) directions. Select one: a. Longitudinal modulus = 25.1 GPa, Transverse (lateral) modulus = 44.9 GPa b. Longitudinal modulus = 44.9 GPa, Transverse (lateral) modulus = 6.9 GPa c. Longitudinal modulus = 6.9 GPa, Transverse (lateral) modulus = 74.2 GPa d. Longitudinal modulus = 74.2 GPa, Transverse (lateral) modulus = 25.1 GPa

An epoxy (E = 3.25 GPa) is reinforced with 55 vol% E-glass (E = 79 GPa). The fibres are continuous and aligned. Assuming no voids, compute the modulus of elasticity in the longitudinal and transverse (lateral) directions. Select one: a. Longitudinal modulus = 25.1 GPa, Transverse (lateral) modulus = 44.9 GPa b. Longitudinal modulus = 44.9 GPa, Transverse (lateral) modulus = 6.9 GPa c. Longitudinal modulus = 6.9 GPa, Transverse (lateral) modulus = 74.2 GPa d. Longitudinal modulus = 74.2 GPa, Transverse (lateral) modulus = 25.1 GPa

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

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Problem 1.1MA

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Concept explainers

Processing of Polymer Matrix Composites

The polymer matrix composite is described as a composite material that contains some polymer in the form of either fibers or powder. Polymer matrix composites are also known in short as PMC's.

Question

An epoxy (E = 3.25 GPa) is reinforced with 55 vol% E-glass (E = 79 GPa). The fibres are continuous and aligned. Assuming no voids, compute the modulus
of elasticity in the longitudinal and transverse (lateral) directions.
Select one:
a. Longitudinal modulus = 25.1 GPa, Transverse (lateral) modulus = 44.9 GPa
b. Longitudinal modulus = 44.9 GPa, Transverse (lateral) modulus = 6.9 GPa
c. Longitudinal modulus = 6.9 GPa, Transverse (lateral) modulus = 74.2 GPa
d. Longitudinal modulus = 74.2 GPa, Transverse (lateral) modulus = 25.1 GPa

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