期刊
JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T
卷 8, 期 1, 页码 896-903出版社
ELSEVIER
DOI: 10.1016/j.jmrt.2018.07.003
关键词
CFRP; MWCNT; ETBN; Multi phase composite
In the present work, epoxy resin is modified with epoxy terminated butadiene acrylonitrile (ETBN) liquid rubber and was used to make carbon fiber reinforced epoxy (C-epoxy) composites with an aim to enhance the impact, compression and damping properties. ETBN added C-epoxy composites were further modified using amino functionalized multi-walled carbon nanotubes (A-MWCNTs) at different weight ratios namely 0.5 wt%, 1.0 wt%, and 1.5 wt% and evaluated impact, compression and damping properties. Results indicate that modification of C-epoxy with ETBN enhances the properties considerably. A-MWCNTs addition to ETBN modified C-epoxy (A-MWCNTs-C-Epoxy-ETBN) further enhances the impact strength (26%), compressive strength (17%) at 1.0 wt% and damping ratio (87%) at 0.5 wt% of A-MWCNTs. The toughening mechanisms contributing to the enhancement of mechanical and damping properties of A-MWCNTs are discussed. (C) 2018 Brazilian Metallurgical, Materials and Mining Association. Published by Elsevier Editora Ltda.
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