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Proceedings Paper

Auxetic magnetic foams for integrated mechanical-EM shielding sandwich applications
Author(s): Fabrizio L. Scarpa; Frank C. Smith; William A. Bullough
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Paper Abstract

The paper describes new concepts of flexible polyurethane auxetic (negative Poisson’s ratio) foams with embedded carbonyl dispersions. Compared to conventional flexible PU foams, this type of cellular solid exhibit higher compliance under impact loading and increased dielectric loss factors in the X-band between 12 and 18 GHz. Results from mechanical tensile tests and rectangular wave guide experiments are shown and discussed in view of possible applications on sandwich structures typical of Salisbury screens or microwave absorbers.

Paper Details

Date Published: 29 July 2004
PDF: 6 pages
Proc. SPIE 5391, Smart Structures and Materials 2004: Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems, (29 July 2004); doi: 10.1117/12.557008
Show Author Affiliations
Fabrizio L. Scarpa, Univ. of Sheffield (United Kingdom)
Frank C. Smith, Univ. of Hull (United Kingdom)
William A. Bullough, Univ. of Sheffield (United Kingdom)


Published in SPIE Proceedings Vol. 5391:
Smart Structures and Materials 2004: Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems
Shih-Chi Liu, Editor(s)

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