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https://hdl.handle.net/10316/107159
Title: | Mechanical, Thermal, and Acoustic Properties of Aluminum Foams Impregnated with Epoxy/Graphene Oxide Nanocomposites | Authors: | Pinto, Susana C. Marques, Paula A. A. P. Vesenjak, Matej Vicente, Romeu Godinho, Luís Krstulović-Opara, Lovre Duarte, Isabel Catarina |
Keywords: | open-cell aluminum foam; epoxy resin; graphene oxide; hybrid structures; mechanical; thermal and acoustic properties | Issue Date: | 2019 | Publisher: | MDPI | Project: | SFRH/BD/111515/2015 UID/EMS/00481/2019-FCT CENTRO-01-0145-FEDER-022083 Slovenian Research Agency (research core funding No. P2-0063 and bilateral project (Slovenia – Croatia) No. BI-HR/018-19-012) |
Serial title, monograph or event: | Metals | Volume: | 9 | Issue: | 11 | Abstract: | Hybrid structures with epoxy embedded in open-cell aluminum foam were developed by combining open-cell aluminum foam specimens with unreinforced and reinforced epoxy resin using graphene oxide. These new hybrid structures were fabricated by infiltrating an open-cell aluminum foam specimen with pure epoxy or mixtures of epoxy and graphene oxide, completely filling the pores. The e ects of graphene oxide on the mechanical, thermal, and acoustic performance of epoxy/graphene oxide-based nanocomposites are reported. Mechanical compression analysis was conducted through quasi-static uniaxial compression tests at two loading rates (0.1 mm/s and 1 mm/s). Results show that the thermal stability and the sound absorption coe cient of the hybrid structures were improved by the incorporation of the graphene oxide within the epoxy matrix. However, the incorporation of the graphene oxide into the epoxy matrix can create voids inside the epoxy resin, leading to a decrease of the compressive strength of the hybrid structures, thus no significant increase in the energy absorption capability was observed. | URI: | https://hdl.handle.net/10316/107159 | ISSN: | 2075-4701 | DOI: | 10.3390/met9111214 | Rights: | openAccess |
Appears in Collections: | I&D ISISE - Artigos em Revistas Internacionais |
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