November 13th, 2018, 06:03 AM  #1 
Member Joined: Feb 2018 From: England Posts: 60 Thanks: 0  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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modulus, youngs 
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