| ZnO压敏陶瓷的微波烧结 |
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| 引用本文： | 康雪雅,常爱民,韩英,王天雕,陶明德,涂铭旌.ZnO压敏陶瓷的微波烧结[J].无机材料学报,1998,13(5):751-754. |
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| 作者姓名： | 康雪雅 常爱民 韩英 王天雕 陶明德 涂铭旌 |
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| 作者单位： | 中国科学院新疆物理所; 乌鲁木齐 830011; 四川联合大学材料工程系; 成都610065 |
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| 摘 要： | 对用纳米粉体制备的ZnO压敏生坯进行了微波烧结，通过XRD、SEM分析和电性能测试，与普通烧结比较，微波烧结可使ZnO压敏材料快速成瓷，显著缩短烧结时间；在相同晶粒尺寸下，微波烧结温度更低，瓷体更致密；并能获得较好电性能．微波烧结为ZnO压敏陶瓷材料制备提供了一条新的、高效节能的途径．
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| 关 键 词： | 微波烧结 ZnO压敏陶瓷 显微结构 电性能 |
| 收稿时间： | 1997-9-17 |
| 修稿时间： | 1997-11-10 |
Microwave Sintering of ZnO Varistor Ceramics |
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| KANG Xue-Ya,CHANG Ai-Min,HAN Ying,WANG Tian-Diao,TAO Ming-De,TU Ming-Jin.Microwave Sintering of ZnO Varistor Ceramics[J].Journal of Inorganic Materials,1998,13(5):751-754. |
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| Authors: | KANG Xue-Ya CHANG Ai-Min HAN Ying WANG Tian-Diao TAO Ming-De TU Ming-Jin |
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| Affiliation: | Xinjiang Institute of Physics; Chinese Academy of Sciences Urumuqi 850011 China; Department of Materials Engineering; Sichuan Unite University Chengdu 610065 China |
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| Abstract: | ZnO nanopowders prepared by the Sol-Gel method were sintered by microwave. The microstructure of the material was analysed by XRD and SEM. The I - V properties of varistor weremeasured by a stabilized dc power source. Compared with the conventional sintering, microwavesintering promptes grain growth and shortenes sintering time. When grain sizes are the same, thetemperature of microwave sintering can be lower than that of conventional sinering. Microwavesintering has the ability to enhance the density of ZnO varistor ceramic and to obtain good electricpropertises. Hence, microwave sintering is a newly effective method for processing ZnO varistorceramic . |
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| Keywords: | microwave sintering ZnO varistor microstructure electric properties |
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