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Improvement of the ZnOarrester on Electric Performance and Microstructure of ZnO Using Nano-composite Techniques
Author(s): He Mo, Xia Cangqi
Pages: 3-
4
Year: 2011
Issue:
12
Journal: Friend of Science Amateurs
Keyword: 避雷器; 氧化锌压敏电阻; 晶粒生长; 纳米复合;
Abstract: 运用纳米复合技术对工业ZnO压敏电阻避雷器的制备工艺的改进,研制出压敏电压340 V/mm,漏电流小于1 μA,非线性系数大于56的压敏电阻器.根据ZnO晶粒生长动力学方程,研究了纳米复合ZnO粉体的烧结过程以及烧结过程中的晶粒生长规律.用扫描电镜和能谱对瓷体显微结构及面扫成分进行了分析,讨论了添加纳米复合粉的ZnO压敏电阻避雷器微观组织与综合性能的关系.实验表明,添加纳米复合粉体是降低大规模生产...
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