Foundations of Materials Science and Engineering
6th Edition
ISBN: 9781259696558
Author: SMITH
Publisher: MCG
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Chapter 12.15, Problem 43AAP
To determine
The tensile modulus of elasticity of the unidirectional carbon fiber reinforced composite material.
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Problem 4
Calculate the tensile modulus of elasticity of a unidirectional carbon-fiber-reinforced-plastic composite
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A composite sample of carbon reinforced epoxy has dimensions of 12 in x 12 in x 0.25 in
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A composite with a minimum elastic modulus of 50 GPa is to be
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Chapter 12 Solutions
Foundations of Materials Science and Engineering
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- A unidirectional fiber reinforced composite contains Kevlar 49 fibres and epoxy resin. the fibers are to carry 88% of a load applied in the longitudinal direction. determine the volume fraction of fibers that will be required ( two decimal places, e.g. 0.31).( elastic modulus of Kevlar 49 is 129GPA, and elastic modulus of epoxy 4.6 GPaarrow_forwardA discontinuous fibre reinforced composite consists of 20mm long carbon fibres in a polymer matrix. The volume fraction of the composite is 0.5, interfacial shear strength 5MPa and the critical fibre length 2.5mm. The fibre modulus is 250GPa and strain to failure 1.5%. The matrix modulus is 3.5GPa and failure strain 10%. Calculate the tensile strength of the composite in the fibre direction. Answer: 3564arrow_forwardCalculate the density of a composite made with 35% Kevlar-49 fibers in an epoxy resin (ρ = 1.1 kg/m3, E = 2.5 GPa). For Kevlar-49, Ef = 131 GPa; density = 1440 kg/m3arrow_forward
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