Please use this identifier to cite or link to this item: http://hdl.handle.net/10316/27170
Title: Impact strength of composites with nano-enhanced resin after fire exposure
Authors: Reis, P. N. B. 
Ferreira, J. A. M. 
Zhang, Z. Y. 
Benameur, T. 
Richardson, M. O. W. 
Keywords: A. Polymer–matrix composites (PMCs); A. Nano-structures; B. Impact behaviour
Issue Date: Jan-2014
Publisher: Elsevier
Citation: REIS, P. N. B. [et al.] -Impact strength of composites with nano-enhanced resin after fire exposure. "Composites Part B: Engineering". ISSN 1359-8368. Vol. 56 (2014) p. 290-295
Serial title, monograph or event: Composites Part B: Engineering
Volume: 56
Abstract: Composite materials have been widely used in several engineering applications. However, there are very few studies about the effects of nanoclays on the impact strength of laminates after exposure to the fire. Therefore, this paper intends to study this subject and the impact performance was analysed by low velocity impact tests carried out at different incident impact energy levels. For better dispersion and interface adhesion matrix/clay, nanoclays were previously subjected to a silane treatment appropriate to the epoxy resin. The exposure to the fire decreases the maximum load and increases the displacement in comparison with the respective values obtained at room temperature. Mathematical relationships are proposed to estimate the maximum impact force and displacement, based on the total impact energy and flexural stiffness. Finally, a decrease of the elastic recuperation can be found, independently of the benefits introduced by the nanoclays.
URI: http://hdl.handle.net/10316/27170
ISSN: 1359-8368
DOI: 10.1016/j.compositesb.2013.08.048
Rights: openAccess
Appears in Collections:I&D CEMUC - Artigos em Revistas Internacionais
FCTUC Eng.Mecânica - Artigos em Revistas Internacionais

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