| 喷雾造粒对固相烧结SiC陶瓷的影响 |
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| 引用本文： | 马奇,郭兴忠,杨辉,傅培鑫,高黎华,李祥云,李志强.喷雾造粒对固相烧结SiC陶瓷的影响[J].陶瓷学报,2006,27(3):250-254. |
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| 作者姓名： | 马奇 郭兴忠 杨辉 傅培鑫 高黎华 李祥云 李志强 |
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| 作者单位： | 1. 浙江大学纳米科学与技术中心,杭州,310027
2. 浙江东新密封有限公司,乐清,325604 |
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| 摘 要： | 采用离心式喷雾造粒技术对SiC浆料进行造粒,研究了喷雾造粒对SiC粉体的流动特性、成型行为、烧结性能、力学性能及显微结构的影响机制。研究结果表明:喷雾造粒后,碳化硅粉体流动性得到较大改善,素坯密度增加,微观结构致密;固相烧结后,碳化硅陶瓷的烧结性能提高,陶瓷显微结构得到改善。
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| 关 键 词： | 碳化硅 喷雾造粒 固相烧结 |
| 文章编号： | 1000-2278(2006)03-0250-05 |
| 收稿时间： | 2006-06-08 |
| 修稿时间： | 2006年6月8日 |
EFFECT OF SPRAY PELLETIZATION ON SOLID-STATE SINTERING OF SiC CERAMIC MATERIALS |
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| Ma Qi,Guo Xingzhong,Yang Hui,Fu Peixin,Gao Lihua,Li Xiangyun,Li Zhiqiang.EFFECT OF SPRAY PELLETIZATION ON SOLID-STATE SINTERING OF SiC CERAMIC MATERIALS[J].Journal of Ceramics,2006,27(3):250-254. |
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| Authors: | Ma Qi Guo Xingzhong Yang Hui Fu Peixin Gao Lihua Li Xiangyun Li Zhiqiang |
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| Affiliation: | 1. Center for Nano-Science and Technology of Zhejiang University, Hangzhou, 310027; 2. Zhejiang Dongxin Seals Limited Company, Yueqing 325604 |
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| Abstract: | The SiC slurry was spray-dried by centrifugal rotating spraying, and the effects of spray-drying on flow characteristics, mould behavior, sintering properties and microstructure of silicon carbide ceramic were investigated, which is beneficial for the preparation of SiC ceramic seals. The results showed that the spray-pelletized SiC powder can be obtained with high flow characteristics, high density and uniformity of green body; the sintering properties of silicon carbide ceramics increased obviously, and an ideal microstructure and better mechanical properties could be attained. |
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| Keywords: | silicon carbide spray pelletization solid state sintering |
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