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PIERS Online
Vol. 4
No. 8
2008
pp: 805-810An Analytical Characterizzation of Metal Foams for Shielding ApplicationsOnofrio Losito doi:10.2529/PIERS080120190115 Downloads: 1194 Abstract:The preliminary electromagnetic shielding behavior of metal foams, a novel class of materials, is developed and discussed. The use of metal foams in electromagnetic applications is a new field of scientific investigation. More specifically, the realization of electromagnetic shields has been considered and experimental Shielding Effectiveness (SE) measurements have been performed, demonstrating very good performance. In order to allow the design of metal foam EM shields, a double 3D wire-mesh screens, obtained as a development of previously 2D laminated shield, has been present, compared the relative results with experimental measure. The good agreement between the preliminary results, encourages the development of an efficiency analytical model of the complex electromagnetic behavior of metal foams.References:1. Ashby, M. F., A. G. Evans, N. A. Fleck, L. J. Gibson, J. W. Hutchinson, and H. N. G. Wadley, Metal Foams: A Design Guide, Butterworth-Heinemann publications, 2000. 2. Catarinucci, L., O. Losito, L. Tarricone, and F. Pagliara, "High added-value EM shielding by using metal-foams: Experimental and numerical characterizzation," Electromagnetic Compatibility, EMC 2006, Vol. 2, 285-289, Aug., 2006. 3. Casey, K. F., "Electromagnetic shielding beavior of wire-mesh screens," IEEE Transactions on Electromagnetic Compatibility, Vol. 30, 298-306, Aug., 1988. 4. Fanelli, A. E. and M. Bozzetti, "Indagini analitiche sull'effcenza di schermatura di strutture leggere," DEE-Politecnico di Bari, A. A., 1999-2000. 5. Catarinucci, L., O. Losito, and L. Tarricone, "On the use of metal foams in EM shielding applications," Proceedings of the Mediterranean Microwave Symposium MMS'2006, 240-245, Genova, Italy, Sept., 2006. 6. http://www.ergaerospace.com/.. 7. Paul, C. R., Introduction to Electromagnetic Compatibility, Chap. 10, 2nd Edition, John Wiley & Sons Inc, Jan., 2006. 8. Schulz, R. B., V. C. Plantz, and D. R. Brush, "Shielding theory and practice," IEEE Transactions on Electromagnetic Compatibility, Vol. 30, No. 3, 187-201, Aug., 1988. |
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