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Microwave‐Absorbing Ferrite‐Dielectric Composites
Author(s) -
MAGUIRE E. A.,
READEY D. W.
Publication year - 1976
Publication title -
journal of the american ceramic society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.9
H-Index - 196
eISSN - 1551-2916
pISSN - 0002-7820
DOI - 10.1111/j.1151-2916.1976.tb09512.x
Subject(s) - materials science , composite material , ferrite (magnet) , microwave , curie temperature , dielectric , composite number , spinel , dielectric loss , ferromagnetism , metallurgy , condensed matter physics , physics , optoelectronics , quantum mechanics
Two‐phase composites of spinel ferrites and lithium aluminosilicates were prepared and investigated as microwave‐absorbing materials. The magnetic and dielectric loss parameters which determine the heating characteristics were examined. Low‐thermal‐expansion composites were developed which were effective absorbers of microwave radiation. Some compositions investigated exhibited a temperature maximum limited by the Curie temperature of the ferrite in the composite.