| 添加Y-Li-Ca系统的AlN陶瓷的低温烧结 |
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| 引用本文： | 徐笑雷,李文兰,庄汉锐,徐素英,李敏中. 添加Y-Li-Ca系统的AlN陶瓷的低温烧结[J]. 无机材料学报, 1999, 14(1): 175-179 |
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| 作者姓名： | 徐笑雷 李文兰 庄汉锐 徐素英 李敏中 |
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| 作者单位： | 中国科学院上海硅酸盐研究所; 上海 200050 |
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| 摘 要： | 本文探索了以自蔓延高温（SHS）法合成并经抗水化处理的AlN粉为原料，添加YLiO2－CaF2／YLiO2－CaCO3的AlN陶瓷的低温烧结.研究表明，YLiO2－CaF2／YLiO2－CaCO3是有效的低温烧结助剂，添加5wt％YLiO2和0．5wt％CaF2。，在1675℃下保温6h可得到密度为3．29g／cm3、热导率为97w／m.K的中等性能的AlN陶瓷.同时对YLiO2-CaF2、YLiO2－CaCO3两种添加剂系统进行了对比研究．结果表明，在同样的烧结条件下，前者对AlN陶瓷的低温烧结更为有利．
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| 关 键 词： | AlN陶瓷 低温烧结 热导率 YLiO2-CaF2 |
| 收稿时间： | 1998-03-09 |
| 修稿时间： | 1998-05-12 |
Low-Temperature Sintering of Y-Li-Ca-Doped AlN Ceramics |
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| Xu Xiao-Lei,LI Wen-Lan,ZHUANG Han-Rui,Xu Su-Ying,Li Min-Zhong. Low-Temperature Sintering of Y-Li-Ca-Doped AlN Ceramics[J]. Journal of Inorganic Materials, 1999, 14(1): 175-179 |
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| Authors: | Xu Xiao-Lei LI Wen-Lan ZHUANG Han-Rui Xu Su-Ying Li Min-Zhong |
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| Affiliation: | Shanghai Institute of Ceramics; Chinese Academy of Sciences Shanghai 200050 China |
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| Abstract: | The paper studied low-temperature sintering of Y-Li-Ca-Doped anti-hydrolysis AlN powders synthesized by SHS method. It is found that Y-Li-Ca additive systems are beneficial for low-temperature sintering of AlN ceramics. AlN samples with density of 3.29g/cm3 and thermal conductivity of 97 W/m·K were obtained after sintering at 1675℃ for 6 h with the additions of 5wt% YLiO2 and 0.5wt% CaF2. The work also indicates that YLiO2-CaF2 is better for low-temperature sintering of AlN than YLiO2-CaCO3 under the same sintering conditions. |
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| Keywords: | AlN ceramics low-temperature sintering thermal conductivities YliO_2-CaF_2 |
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