Enhanced thermal conductivity in Si3N4 ceramic with the addition of Y2Si4N6C
文献类型:期刊论文
作者 | Li, Yinsheng; Kim, Ha-Neul; Wu, Haibo1; Kim, Mi-Ju; Ko, Jae-Woong; Park, Young-Jo; Huang, Zhengren1; Kim, Hai-Doo |
刊名 | JOURNAL OF THE AMERICAN CERAMIC SOCIETY
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出版日期 | 2018 |
卷号 | 101期号:9页码:4128 |
关键词 | microstructure silicon nitride thermal conductivity yttrium silicon carbonitride |
ISSN号 | 0002-7820 |
DOI | 10.1111/jace.15544 |
英文摘要 | Si3N4 ceramic was densified at 1900 degrees C for 12hours under 1MPa nitrogen pressure, using MgO and self-synthesized Y2Si4N6C as sintering aids. The microstructures and thermal conductivity of as-sintered bulk were systematically investigated, in comparison to the counterpart doped with Y2O3-MgO additives. Y2Si4N6C addition induced a higher nitrogen/oxygen atomic ratio in the secondary phase by introducing nitrogen and promoting the elimination of SiO2, resulting in enlarged grains, reduced lattice oxygen content, increased Si3N4-Si3N4 contiguity and more crystallized intergranular phase in the densified Si3N4 specimen. Consequently, the substitution of Y2O3 by Y2Si4N6C led to a great increase in similar to 30.4% in thermal conductivity from 92 to 120Wm(-1)K(-1) for Si3N4 ceramic. |
学科主题 | Materials Science, Ceramics |
WOS记录号 | WOS:000436943300040 |
出版者 | WILEY |
资助机构 | Fundamental Research Program of Korea Institute of Materials Science, Grant/Award Number: PNK5071 ; Fundamental Research Program of Korea Institute of Materials Science, Grant/Award Number: PNK5071 |
源URL | [http://ir.sic.ac.cn/handle/331005/24700] ![]() |
专题 | 中国科学院上海硅酸盐研究所 |
作者单位 | 1.Korea Inst Mat Sci, Engn Ceram Res Grp, Chang Won, South Korea 2.Chinese Acad Sci, Shanghai Inst Ceram, State Key Lab High Performance Ceram & Superfine, Shanghai, Peoples R China |
推荐引用方式 GB/T 7714 | Li, Yinsheng,Kim, Ha-Neul,Wu, Haibo,et al. Enhanced thermal conductivity in Si3N4 ceramic with the addition of Y2Si4N6C[J]. JOURNAL OF THE AMERICAN CERAMIC SOCIETY,2018,101(9):4128, 4136. |
APA | Li, Yinsheng.,Kim, Ha-Neul.,Wu, Haibo.,Kim, Mi-Ju.,Ko, Jae-Woong.,...&Kim, Hai-Doo.(2018).Enhanced thermal conductivity in Si3N4 ceramic with the addition of Y2Si4N6C.JOURNAL OF THE AMERICAN CERAMIC SOCIETY,101(9),4128. |
MLA | Li, Yinsheng,et al."Enhanced thermal conductivity in Si3N4 ceramic with the addition of Y2Si4N6C".JOURNAL OF THE AMERICAN CERAMIC SOCIETY 101.9(2018):4128. |
入库方式: OAI收割
来源:上海硅酸盐研究所
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