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Abstract

An analysis of variance was applied to model the mechanical properties of hybrid foams. The controlled variable used in the study was the fiber weight fraction of glass and aramid fibers, and all foam samples were of similar density (∼250 kg/m³). The responses analyzed were elastic modulus and strength for compressive and shear loading. The microstructure of the hybrid foam samples was examined and the effects of fiber type on the cell geometry and distribution were studied. The results showed that each fiber type in hybrid foam had significant effects on the compression and shear properties and the fiber weight fraction affected the isotropy of the properties. The utilization of a statistical model for predicting hybrid composite foam properties is an appropriate tool that affords a global perspective of the influence of process variables on foam properties.

Keywords

foams fibers modeling design of experiments.

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Modeling of Hybrid Composite Foams

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