Abstract
Abstract Effect of co-firing process on the characteristics of MnZn-ferrite materials was examined. The crystal structure and microstructure are not markedly modified, whereas the initial permeability-temperature ( μ i – T ) and power loss ( P L ) properties are pronouncedly altered due to co-firing process, no matter whether the materials are densified by conventional sintering (cs) or microwave sintering (ms) process. The degradation of the magnetic properties is attributed to the strain induced in the MnZn-ferrites. The decreases in initials permeability ( μ i ) and the increases in power loss ( P L ) is less extent for the materials densified by the microwave sintering process. Such a phenomenon is attributed to the smaller grain size of MnZn-ferrite when the materials are microwave sintered.
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