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Some electrical properties of aluminum-epoxy composite

✍ Scribed by S.M. Musameh; M.K. Abdelazeez; M.S. Ahmad; A.M. Zihlif; M. Malinconico; E. Martuscelli; G. Ragosta

Book ID
103952969
Publisher
Elsevier Science
Year
1991
Tongue
English
Weight
885 KB
Volume
10
Category
Article
ISSN
0921-5107

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✦ Synopsis

The dependence of some electrical properties of aluminum flake-epoxy composites on frequency and filler content is studied. The insertion loss as well as the shielding effectiveness (SE) show great dependence on filler concentration. The SE for the composites varies linearly with the microwave frequency and reaches up to 50 dB for a 90 wt.% composite specimen. The dependence of the electrical conductivity on the filler content shows that the composite changes from an insulating to a conductive behavior. The composite structure revealed by scanning electron microscopy supports the observed variations of the electrical conductivity.

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