How to find volume fraction of a composite?
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It can be easily estimated using the same furmula
Vm = [(Mm/ρm) / (Mm/ρm + Mr1/ρr1 + Mr2/ρr2 + Mr3/ρr3 + ... )] * 100
where Vm is the volume fraction of the matrix, M is the mass, ρ is the density, and subscripts m and r refer to the matrix and the reinforcements, respectively.
Vm = [(Mm/ρm) / (Mm/ρm + Mr1/ρr1 + Mr2/ρr2 + Mr3/ρr3 + ... )] * 100
where Vm is the volume fraction of the matrix, M is the mass, ρ is the density, and subscripts m and r refer to the matrix and the reinforcements, respectively.
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Answer:
Volume fraction of fibres in a composite laminate is derived from the fibre-to-resin weight ratio. The calculation relies on data, such as the areal weight and density (⍴) of the fibres, and the density of the resin, that should be provided by the material suppliers.
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