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November 13th, 2018, 06:03 AM   #1
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Youngs modulus

Hi all,

Any help would be appreciated.

A fibre reinforced composite has 25% volume of carbon fibres with a modulus elasticity of 150.00GPa. The remaining matrix material is polyester resin with a modulus elasticity of 3.10 GPa.

Use the homogenous strain model (parallel) to calculate and upper limit for the effective young's modulus of the composite material?

I have come across the following formula from reseach:

Ec = EmVm + EfVf

Thanks.
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