Liquid phase sintering of NiCuZn ferrite and its magnetic properties

被引：19
作者：
Wang, YR [1 ]
Wang, SF [1 ]
机构：
[1] Natl Taiwan Univ Technol, Dept Mat & Mineral Resources Engn, Taipei, Taiwan
来源：
INTERNATIONAL JOURNAL OF INORGANIC MATERIALS | 2001年 / 3卷 / 08期
关键词：
soft ferrite; liquid phase sintering; magnetic properties;
D O I：
10.1016/S1466-6049(01)00123-4
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
The influence of glass additives on the densification, microstructural evolution and magnetic properties of NiCuZn ferrites were investigated. Two glass systems including PbO . SiO2 and PbO .B2O3 were used to reduce the sintering temperature of a NiCuZn ferrite. The PbO . SiO2 glass system was shown to be an effective additive to obstruct the grain boundary movement and prevent the abnormal grain growth. In addition, it significantly lowers the sintering temperature of the ferrite. Ferrites sintered with PbO . SiO2 have higher resistivity, higher Q and higher H compared with those of PbO .B2O3 systems. These results also indicated that the ratio of modifier to glass-former did not significantly change the densification behavior, microstructural evolution and magnetic properties of the NiCuZn ferrite. (C) 2001 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：1189 / 1192
页数：4
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