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Remote activation of nanomagnetite reinforced shape memory polymer foam

Greg Vialle1,4, Matthew Di Prima1,4, Erica Hocking1, Ken Gall1,4, Hamid Garmestani1, Terry Sanderson2 and Steven C Arzberger3

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Shape memory polymer foams are thermally activated using remote induction of magnetic susceptor filler particles dispersed in the thermoset foam matrix. Material properties and foam performance are characterized and compared over a range of fillers, induction parameters, and packaging configurations. This investigation indicates an improvement in heating performance for increased weight percentage of filler without sacrifice in foam thermo-mechanical properties up to 10 wt% filler. Detailed analysis of the results indicates that the primary factor in improving heating performance is heat transfer between the filler nanoparticles and the bulk foam.


PACS

81.05.Qk Reinforced polymers and polymer-based composites

82.70.Rr Aerosols and foams

75.30.Cr Saturation moments and magnetic susceptibilities

65.80.+n Thermal properties of small particles, nanocrystals, nanotubes

62.20.F- Deformation and plasticity

75.50.Tt Fine-particle systems; nanocrystalline materials

Subjects

Soft matter, liquids and polymers

Condensed matter: electrical, magnetic and optical

Nanoscale science and low-D systems

Condensed matter: structural, mechanical & thermal

Chemical physics and physical chemistry

Dates

Issue 11 (November 2009)

Received 9 February 2009, in final form 24 August 2009

Published 15 September 2009



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