Journal
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING
Volume 90, Issue -, Pages 62-70Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.compositesa.2016.06.008
Keywords
Nanoparticles; Nanocomposites; Thermosetting resin; Split Hopkinson pressure bar (SHPB)
Funding
- National High Technology Research and Development Program of China (863 program) [2013AA031803]
- Strategic Priority Research Program of the Chinese Academy of Sciences [XDA09030200]
- National Natural Science Foundation of China [11225210]
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This work aimed to investigate the strain-rate effect (0.001-3000 s(-1)) on compressive properties of the highly cross-linked epoxy and the epoxy sample filled with 10 wt% sol-gel-formed silica nanoparticles. As the strain rate increased, the compressive modulus and transition strength of both samples went up distinctly, the strain at break and ultimate strength decreased more or less, while the strain energy at fracture nearly did not change. Adding the sol-gel-formed silica nanoparticles can improve effectively the compressive modulus, transition strength as well as strain energy at fracture of the epoxy polymer owing to their homogeneous dispersion in epoxy matrix. (C) 2016 Published by Elsevier Ltd.
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