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Title: A typical hexagonal ferrite from industrial waste for microwave energy absorption at Ku-band
Authors: Meshram, M R
Agrawal, Nawal K
Sinha, Bharoti
Misra, P S
Issue Date: Aug-2002
Publisher: NISCAIR-CSIR, India
Abstract: The development of ferrite, using iron oxide as an industrial waste material, has been described. The developed ferrite powder [Ba(Co-Ti)δ Fe(11.9-δ)Mn0.15O19], 60% by weight, was dispersed in epoxy resin to form a paint. This paint was coated on conducting aluminum sheet to study absorption characteristics of EM wave at Ku-band. It is found that the single layer absorbing paint exhibits broad-band characteristics from 12 to 18 GHz with minimum absorption of 6 dB and maximum absorption of 13.6 dB at 15 GHz for a coating thickness of 2.3 mm. It is also found that, addition of small quantity or carbon and iron powder, 10% by weight, in the developed ferrite powder provides broad-band characteristics with a minimum absorption of 10.1 dB from 15.5 to 18 GHz for a thickness of 1.76 mm.
Page(s): 225-229
ISSN: 0975-105X (Online); 0367-8393 (Print)
Appears in Collections:IJRSP Vol.31(4) [August 2002]

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