Q1 : A rod made of carbon reinforced epoxy has a diameter 2.5 cm, length 1.25 m, and mass 0.95 kg. The carbon fibers have a modulus of elasticity 340 GPa and a density 1.91 g/cm'. The epoxy matrix has modulus of elasticity 4 GPa and a density 1.16 g/cm'. Assume there are no voids in the rod. What is the volume fraction of (a) the carbon fibers and (b) the epoxy matrix in the rod? Also, what is the predicted value for the modulus of elasticity in the (c) longitudinal direction and (d) direction perpendicular to the carbon fibers?

Q1 : A rod made of carbon reinforced epoxy has a diameter 2.5 cm, length 1.25 m, and mass 0.95 kg. The carbon fibers have a modulus of elasticity 340 GPa and a density 1.91 g/cm'. The epoxy matrix has modulus of elasticity 4 GPa and a density 1.16 g/cm'. Assume there are no voids in the rod. What is the volume fraction of (a) the carbon fibers and (b) the epoxy matrix in the rod? Also, what is the predicted value for the modulus of elasticity in the (c) longitudinal direction and (d) direction perpendicular to the carbon fibers?

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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