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Fabrication and Characterization of Nickel Nanowire Polymer Composites

Published online by Cambridge University Press:  01 February 2011

Heather Denver ,
Jeongmin Hong  and
Diana-Andra Borca-Tasciuc
Heather Denver
Affiliation:
denveh@rpi.edu, Rensselaer Polytechnic Institute, Mechanical Engineering, 110 8th Street, Troy, NY, 12180, United States
Jeongmin Hong
Affiliation:
hongj@rpi.edu, Rensselaer Polytechnic Institute, Mechanical, Aerospace and Nuclear Engineering Department, 110 8th Street, Troy, NY, 12180, United States
Diana-Andra Borca-Tasciuc
Affiliation:
borcad@rpi.edu, Rensselaer Polytechnic Institute, Mechanical, Aerospace and Nuclear Engineering Department, 110 8th Street, Troy, NY, 12180, United States
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Abstract

Magnetic polymers are multi-functional composites emerging as a new category of smart materials. This work focuses on fabrication and characterization of magnetic polymer nanocomposites based on polydimethylsiloxane (PDMS) elastomer matrix. The magnetic fillers are commercially available Ni nanoparticles and respectively in-house fabricated Ni nanowires. Synthesis of Ni nanowires is achieved by electroless deposition inside nanoporous anodic alumina templates. After template removal, the nanowires are coated with 1-Octodecanethiol surfactant and mixed with PDMS using a FlackTek SpeedMixer™. In parallel, nanoparticles are mixed with PDMS, without undergoing surfactant coating. Both composites are evaluated by scanning electron microscope (SEM) to determine dispersion uniformity. Mechanical properties are resolved by tensile tests performed by an instron. Preliminary results suggest that surfactant addition enhances dispersion, while mechanical properties of the composites for up to 5 vol. % of added nickel remain close to that of the polymer matrix without filler.

Keywords

polymernanostructuremagnetic
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 963: Symposium Q – Nanowires and Carbon Nanotubes – Science and Applications , 2006 , 0963-Q20-60
Copyright
Copyright © Materials Research Society 2007

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