This paper demonstrates a combined experimental-numerical method that enables accurate prediction of the elastic moduli and tensile failure strengths of syntactic foams. In general, for the systems studied, an increase in microsphere content resulted in an increase in the tensile modulus and a decrease in the tensile strength. The numerical method presented here is also capable of reproducing the experimental variability in tensile strength observed in the experimental data. At low particle loading ratios, the variance in observed experimental data can be almost entirely attributed to the distribution of interparticle distances between the microspheres, while at very high packing fractions, this is incapable of reproducing all of the experimentally observed variance in failure strengths.
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