Abstract
Graphitic carbon nanofibers were used to reinforce epoxy resin to form nanocomposite adhesive bonding. GCNFs having a herringbone atomic structure are surface-derivatized with bifunctional hexanediamine linker molecules capable of covalent binding to an epoxy matrix during thermal curing and are cut to smaller dimension using ultrasonication. Good dispersion and polymer wetting of the GCNF component is evident on the nanoscale. Tensile and shear joint strength measurements were conducted for metal-metal and polymer-polymer joints using pure epoxy and nanocomposite bonding. Very little bonding strength increase, or some bonding strength decrease, was measured.
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Acknowledgments
LRX and CML gratefully acknowledge the support of Vanderbilt University through an Interdisciplinary Discovery Grant. L.R.X. gratefully acknowledges the support from the Office of Naval Research Young Investigator Award (N00014-03-1-0505, Dr. Roshdy G. S. Barsoum, Program Officer), and the National Science Foundation, Surface Engineering and Materials Design Program (CMS-0409665, Dr. Yip-Wah Chung, Program Director).
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Xu, L.R., Lukehart, C.M., Li, L. et al. Structural Nanocomposite Bonding Reinforced by Graphite Nanofibers with Surface Treatments. MRS Online Proceedings Library 843, 44 (2004). https://doi.org/10.1557/PROC-843-T4.4
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DOI: https://doi.org/10.1557/PROC-843-T4.4