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Nickel Filament Polymer-Matrix Composites with Low Surface Impedance and High Electromagnetic Interference Shielding Effectiveness

Published online by Cambridge University Press:  21 February 2011

Xiaoping Shui  and
D. D. L. Chung
Xiaoping Shui
Affiliation:
Composite Materials Research Laboratory, State University of New York at Buffalo, Buffalo NY 14260-4400
D. D. L. Chung
Affiliation:
Composite Materials Research Laboratory, State University of New York at Buffalo, Buffalo NY 14260-4400
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Abstract

Nickel filaments of 0.4 μm diameter gave polyethersulfone-matrix composites with high electromagnetic interference shielding effectiveness and low surface impedance at 1–2 GHz. With 7 vol.% nickel filaments, the composite exhibited shielding effectiveness 87 dB (compared to 90 dB for solid copper), surface impedance 1.2 Ω (same as for solid copper), tensile strength 52 MPa, modulus 5 GPa, ductility 1.0% and density 1.87 g/cm3. The low surface impedance is valuable for microwave waveguides.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 390: Symposium S – Electronic Packaging Materials Science VIII , 1995 , 135
Copyright
Copyright © Materials Research Society 1995

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References

1. Shui, Xiaoping and Chung, D.D.L., J. Electron. Mater. 24(2), 107–113 (1995).Google Scholar