Calculate the modulus of elasticity of carbon-epoxy composite under (a) isostrain and(b) isostress conditions if the composite consists of 40% carbon fibers and 60% epoxyby volume. Also, calculate the percentage of load carried by the carbon fibers. Themodulus of elasticity of the carbon fibers and the epoxy are 350 GPa and 3.5 GPa,respectively. Comment on the results. [Ans: (a) 142.1 GPa, 98.5%; (b) 6.93 GPa, 100%]
Calculate the modulus of elasticity of carbon-epoxy composite under (a) isostrain and(b) isostress conditions if the composite consists of 40% carbon fibers and 60% epoxyby volume. Also, calculate the percentage of load carried by the carbon fibers. Themodulus of elasticity of the carbon fibers and the epoxy are 350 GPa and 3.5 GPa,respectively. Comment on the results. [Ans: (a) 142.1 GPa, 98.5%; (b) 6.93 GPa, 100%]
Materials Science And Engineering Properties
1st Edition
ISBN:9781111988609
Author:Charles Gilmore
Publisher:Charles Gilmore
Chapter12: Composite Materials
Section: Chapter Questions
Problem 12.3P
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Question
Calculate the modulus of elasticity of carbon-epoxy composite under (a) isostrain and
(b) isostress conditions if the composite consists of 40% carbon fibers and 60% epoxy
by volume. Also, calculate the percentage of load carried by the carbon fibers. The
modulus of elasticity of the carbon fibers and the epoxy are 350 GPa and 3.5 GPa,
respectively. Comment on the results. [Ans: (a) 142.1 GPa, 98.5%; (b) 6.93 GPa, 100%]
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