| 喷雾热分解法制备超细银粉及其形貌控制 |
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| 引用本文： | 刘志宏,刘智勇,李启厚,吴厚平,张多默.喷雾热分解法制备超细银粉及其形貌控制[J].中国有色金属学报,2007,17(1):149-155. |
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| 作者姓名： | 刘志宏 刘智勇 李启厚 吴厚平 张多默 |
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| 作者单位： | 中南大学,冶金科学与工程学院,长沙,410083 |
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| 基金项目： | 高等学校博士学科点专项科研项目 |
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| 摘 要： | 采用超声雾化热分解装置,对喷雾热分解法制备超细银粉进行了系统研究。考察了炉子温度、硝酸银水溶液浓度、超声雾化装置功率、硝酸银溶液及载气流量等因素对产物粒子形貌、粒度分布的控制行为。研究结果证实,喷雾热分解制备微米级球形金属银粉技术具有广泛应用前景。
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| 关 键 词： | 金属银粉 硝酸银 喷雾热分解 超声雾化器 |
| 文章编号： | 1004-0609（2007）01-0149-07 |
| 收稿时间： | 2006-05-12 |
| 修稿时间： | 2006-11-13 |
Morphology control of micro-sized spherical silver powder prepared by spray pyrolysis |
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| LIU Zhi-hong,LIU Zhi-yong,LI Qi-hou,WU Hou-ping,ZHANG Duo-mo.Morphology control of micro-sized spherical silver powder prepared by spray pyrolysis[J].The Chinese Journal of Nonferrous Metals,2007,17(1):149-155. |
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| Authors: | LIU Zhi-hong LIU Zhi-yong LI Qi-hou WU Hou-ping ZHANG Duo-mo |
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| Affiliation: | College of Metallurgical Science and Engineering, Central South University, Changsha 410083, China |
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| Abstract: | Micro-sized spherical silver powders were prepared by spray pyrolysis of aqueous solutions of AgNO3,using a spray pyrolysis apparatus with an ultrasonic atomizer.The effects of furnace set temperature,concentration of aqueous AgNO3 solutions,power of ultrasonic atomizer and flux of aqueous AgNO3 solution as well as carrier gas on the morphology and particle size distribution of silver powders,were investigated systematically.The results show that the technique of spray pyrolysis for preparing micro-sized spherical silver powders has the prospect of application. |
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| Keywords: | silver powders silver nitrate spray pyrolysis ultrasonic atomizer |
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