Journal
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
Volume 528, Issue 15, Pages 5177-5183Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.msea.2011.03.071
Keywords
Syntactic foam; Tensile properties; Fracture
Categories
Funding
- China's National 973 Program [2009CB724202]
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Four types of hollow polymer particles have been employed as fillers in UV-heat-cured epoxy resin. The effects of filler volume fraction and types on tensile properties of syntactic foams are investigated. All hollow particle types have exhibited approximately the same size, but with different groups on particle surface. Volume fraction of hollow particles for the syntactic foams varies up to 0.25. Thermogravimetric analysis (TGA), dynamic mechanical analysis (DMA), and tensile tests have been performed. According to TGA and DMA test results, the addition of polymer particle leads to stronger interfacial particles-matrix interaction and high loss factor. Tensile tests have also shown that tensile strength and specific properties of all foams decrease with the increasing of particle content. In terms of tensile properties, the particles-matrix compatibility is more significant than that of the surface functional groups of particles. (C) 2011 Elsevier B.V. All rights reserved.
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