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Theoretical Analysis of Volume/Weight Fraction of a Dual-Constituent Composite

Bashar Dan-asabe


Conventional equations used in analysis of composite materials are modelled based on volume-averaging principle. The volume-averaging equations were re-evaluated to provide an alternative weight-averaging consideration as a result of the difficulty in practical determination of volume fraction of individual constituents of composite material, especially particulate composite. The equivalent weight-averaging equation analysis showed that density plays a significant determining factor in material selection of individual constituent; and composite density evaluated using weight fraction ratio is always less than with the corresponding volume fraction ratio formulation. An equation was also determined that relates volume fraction with weight fraction of the composite. Theoretical analysis and comparative evaluation of some mechanical properties of the composite was made using volume and weight fraction respectively.


Dual-constituent, volume fraction, weight fraction, density, mechanical properties, volume/weight relation

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