Nano Science and Technology Institute
Nanotech 2004 Vol. 3
Nanotech 2004 Vol. 3
Technical Proceedings of the 2004 NSTI Nanotechnology Conference and Trade Show, Volume 3
 
Chapter 3: Atomic and Mesoscale Modelling of Nanoscale Phenomena
 

Design and Development of Nano-reinforced Bonds and Interfaces

Authors:Y. Sun, S.A. Meguid, K.M. Liew and L.S. Ong
Affilation:University of Toronto, CA
Pages:126 - 129
Keywords:nano-reinforced interfaces, carbon nanotubes, Aliumina nanopowder, mechanical behaviour, delamination, energy release rate, hybrid strutures
Abstract:This investigation focuses on the design and development of nano-reinforced adhesively-bonded high performance joints. The influence of homogeneous dispersion of carbon nanotubes and alumina nanoparticles on the cohesive strength, interfacial properties and mechanical behaviour of epoxy adhesives is examined. Mechanical tests and optical measurements are conducted, using carbon fibre/epoxy laminate and aluminium alloy adherends with high performance epoxy adhesives, to evaluate the optimum weight percentage of the nanofillers to be added to induce maximum enhancement in strength and strain energy release rate. The results reveal that the introduction of nanofillers into the epoxy adhesive leads to a dramatic improvement in the debonding and shear strength of the interface without sacrificing its toughness. The presence of nanoparticles plays a major role in determining the fracture toughness of the interface and is typically associated with a significant improvement in the delamination resistance of the joint.
Design and Development of Nano-reinforced Bonds and InterfacesView PDF of paper
ISBN:0-9728422-9-2
Pages:561
Hardcopy:$79.95
 
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