Preparation of low voltage ZnO Varistor using point seed

被引：0
|
作者：
Xu, Zhefeng [1 ]
Rong, Ju [2 ,3 ]
Yu, Xiaohua [2 ,3 ]
Zhan, Zhaolin [3 ]
机构：
[1] PanGang Grp Res Inst Co Ltd, State Key Lab Vanadium & Titanium Resources Compr, Panzhihua, Sichuan, Peoples R China
[2] Natl Engn Res Ctr Solid Wastes, Kunming 650093, Peoples R China
[3] Kunming Univ Sci & Technol, Mat Sci & Engn, Kunming 650093, Peoples R China
来源：
Proceedings of the 2016 4th International Conference on Mechanical Materials and Manufacturing Engineering (MMME 2016) | 2016年 / 79卷
基金：
美国国家科学基金会;
关键词：
ZnO; varistor ceramics; low voltage; point seed; CERAMICS; OXIDE;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The low pressure of ZnO varistor ceramics were prepared with 99.5 mol % ZnO +0.5 mol % CaCO3. Subsequently, placed in a constant temperature conditions of 1420 degrees C for 10 h, and cooking in boiling water long enough. The microstructure of the particle size analyzed by optical microscope, the doped ZnO varistors sheet seed analyzed by field emission scanning electron microscopy, the phase structure analyzed by X-ray diffraction. The results showed that this method can be prepared the best electrical properties of low-voltage ZnO varistor ceramics. The varistor voltage is 11 V/mm, the leakage current is 0.018 mA and nonlinear coefficient it is 15.6.
引用
收藏
页码：462 / 465
页数：4
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