| 钛酸钡陶瓷电容机械性能的尺寸效应 |
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| 引用本文： | 董建利,方亚龙,唐彬,胡文成,梁剑,付红志,刘哲.钛酸钡陶瓷电容机械性能的尺寸效应[J].中国材料科技与设备,2013(4):20-22. |
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| 作者姓名： | 董建利 方亚龙 唐彬 胡文成 梁剑 付红志 刘哲 |
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| 作者单位： | [1]电子科技大学微电子与同体电子学院,四川成都610054 [2]中兴通讯股份有限公司工艺技术部,广东深圳518057 |
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| 基金项目： | 国家自然科学基金委员会与中国工程物理研究院联合基金资助项目（10976006）;中兴通讯产学研项目（WF201245）;电子科技大学创新基金资助项目（CX20110703012） |
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| 摘 要： | 以粉体粒径为0．3pm～0．7pm的BaTiO3粉体为原料．采用传统陶瓷工艺，研究了微粉尺寸对钛酸钡陶瓷机械性能的影响，从粉体形貌、晶粒形貌、相结构、微观结构、应力变化及最终的机械性能改变等方面分析了纯BaTiO3陶瓷的晶粒尺寸效应。实验中发现，晶粒较小时，陶瓷断裂所需要破坏的晶粒多，由于晶界所占比例大，陶瓷断裂走过的路程长．强内应力为陶瓷结构稳定提供支撑，因此机械强度提高。
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| 关 键 词： | 陶瓷电容器 粉体 尺寸效应 机械性能 |
Investigation of Dimensional Effect on Mechanical Behavior of BaTiO3 Ceramic Capacitor |
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| DONG J ian -- li,FANG Ya -- long,TANG Bin,HU Wen -- cheng,LIANG Jian,FU Hong--zhiz,LIU Zhe.Investigation of Dimensional Effect on Mechanical Behavior of BaTiO3 Ceramic Capacitor[J].Chinese Materials Science Technology & Equipment,2013(4):20-22. |
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| Authors: | DONG J ian -- li FANG Ya -- long TANG Bin HU Wen -- cheng LIANG Jian FU Hong--zhiz LIU Zhe |
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| Affiliation: | 1. School of Microelectronics and Solid--State Electronics, University of Electronic Science ＇ Technology of China, Sichuan, Chengdu, 610054, China 2. Manufacture Technology Research Department, Zhongxing Telecommunications Equipment, Guangdong, Shenzhen, 518057, China) |
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| Abstract: | The effect of particle size on the mechanical behavior of ceramic capacitor based on BaTiO3 has been investigated through the traditional process by the use of the micro powder in the range of 0.3μm--0.7μm. The dimensional effect of Ba TiO3 ceramic was analyzed based on the results of morphologies of particles and crystalline grain, phase structure, micro- structure, variation of stresses and mechanical behavior. It was found that the cracking of ceramic prepared by small particles needs the more energy, suggesting the improvement of the mechanical behavior of ceramic capacitor. |
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| Keywords: | Ceramic capacitor Particles Dimensional effect Mechanical behavior |
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