Fatigue behaviour of glass fibre reinforced epoxy composites enhanced with nanoparticles
作者： L.P. Borrego , J.D.M. Costa , J.A.M. Ferreira , H. Silva
DOI: 10.1016/J.COMPOSITESB.2014.02.016
关键词:
摘要: Abstract Nanoparticle reinforcement of the matrix in laminates has been recently explored to improve mechanical properties, particularly interlaminar strength. This study analyses fatigue behaviour nanoclay and multiwalled carbon nanotubes enhanced glass/epoxy laminates. The used was epoxy resin Biresin® CR120, combined with hardener CH120-3. Multiwalled (MWCNTs) 98% organo-montmorillonite Nanomer I30 E were used. Composites plates manufactured by moulding vacuum. Fatigue tests performed under constant amplitude, both tension–tension three points bending loadings. results show that composites small amounts nanoparticles addition into have strength similar obtained for neat glass fibre reinforced composite. On contrary, higher percentages nanoclays or tend decrease caused poor dispersion formation agglomerates. Tensile is only marginally affected amount particles. ratio loading increases multi-walled nanotubes, suggesting can act as barriers crack propagation.
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