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Mechanical Engineering Commons

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2008

LSU Master's Theses

Density variation

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High Strain Rate Characteristics Of Rubber Modified Syntactic Foams, Paul Wehmer Jan 2008

High Strain Rate Characteristics Of Rubber Modified Syntactic Foams, Paul Wehmer

LSU Master's Theses

This thesis deals with the characterization of hybrid syntactic foams under high strain rates (HSR) ranging from 450/s to 1000/s. The foams studied are comprised of epoxy resin matrix filled with 63% volume fraction glass microspheres and 2% volume fraction of ground rubber fragments. The focus of this study is to compare the strength, ultimate strain, and modulus of these composite materials at high strain rates and quasi-static conditions and to find out the effects of HSR on the failure mode and fracture behavior of these materials. Split Hopkinson Pressure Bar (SHPB) apparatus is used for the HSR ...