Journal
COMPOSITES SCIENCE AND TECHNOLOGY
Volume 71, Issue 2, Pages 152-159Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.compscitech.2010.11.005
Keywords
Particle-reinforced composites; Carbon fibers; Metals; Mechanical properties; Electrical conductivity
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Funding
- Israeli Ministry of Science and Technology, Tashtiot [3-6474]
- Clore foundation
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This work utilizes a modification of our process of polymer entrapment in silver to deposit silver crystals on carbon nanofibers at different relative concentrations. The experimental procedure and the characteristics of silver coated nanofibers are presented in detail. The resulting nanofibers are then melt-mixed with a polypropylene-polyaniline blend to form a uniform dispersion that is finally extruded to produce continuous monofilament composites of high axial orientation. The reinforcement effect of the silver coated nanofibers, manifested in the mechanical properties of the monofilament composites, is 3-5 folds higher than that of the pristine nanofibers due to the improved stress transfer mechanism of the former. Additional attractive properties of the new system may result from its anisotropic crystalline structure, enhanced thermal stability, potential electrical conductivity and antibacterial behavior. (C) 2010 Elsevier Ltd. All rights reserved.
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