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Synthesis, characterization and sintering of Si-C-N nano-powders via sodium reduction in liquid ammonia
Wang, Qi1; Yang, Mei1,2; Xiao, Jiusan1; Jiao, Shuqiang3; Zhu, Hongmin1,4
2018-04-01
发表期刊JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
ISSN0955-2219
卷号38期号:4页码:1219-1226
摘要Si-C-N-nano-powders with tunable carbon content were synthesized through the reduction of silicon tetrachloride (SiCl4) and trichloromethylsilane (SiCl3CH3) solution by sodium in liquid ammonia. The nano-powders contain two domains of structure, Si-C-N amorphous or continuous random networks (CRNs), and free carbon. The carbon content in Si3+nCnN4 CRNs, is tunable from n = 0 to n = 1. Free carbon will appeared with the increase of the C/Si mole ratio when C/Si is higher than 1/4. The crystallization of amorphous Si-C-N powders occurs at temperatures ranging from 1300 degrees C to 1500 degrees C depending on the carbon content. The additive-free dense Si-C-N ceramics with relatively low porosity were fabricated by Spark Plasma Sintering (SPS).
关键词Nano-particles Sodium Reduction Liquid Ammonia Random Networks Free Carbon Spark Plasma Sintering
文章类型Article
WOS标题词Science & Technology ; Technology
DOI10.1016/j.jeurceramsoc.2017.11.034
收录类别SCI
语种英语
关键词[WOS]THIN-FILMS ; CERAMICS ; POLYSILAZANE ; PRECURSORS ; MICROSTRUCTURE
WOS研究方向Materials Science
WOS类目Materials Science, Ceramics
WOS记录号WOS:000424716700027
引用统计
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/24009
专题生化工程国家重点实验室
作者单位1.Univ Sci & Technol Beijing, Sch Met & Ecol Engn, Beijing 100083, Peoples R China
2.Chinese Acad Sci, Inst Proc Engn, State Key Lab Biochem Engn, Beijing 100190, Peoples R China
3.Univ Sci & Technol Beijing, State Key Lab Adv Met, Beijing 100083, Peoples R China
4.Tohoku Univ, Grad Sch Engn, Dept Met, Sendai, Miyagi 9808579, Japan
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Wang, Qi,Yang, Mei,Xiao, Jiusan,et al. Synthesis, characterization and sintering of Si-C-N nano-powders via sodium reduction in liquid ammonia[J]. JOURNAL OF THE EUROPEAN CERAMIC SOCIETY,2018,38(4):1219-1226.
APA Wang, Qi,Yang, Mei,Xiao, Jiusan,Jiao, Shuqiang,&Zhu, Hongmin.(2018).Synthesis, characterization and sintering of Si-C-N nano-powders via sodium reduction in liquid ammonia.JOURNAL OF THE EUROPEAN CERAMIC SOCIETY,38(4),1219-1226.
MLA Wang, Qi,et al."Synthesis, characterization and sintering of Si-C-N nano-powders via sodium reduction in liquid ammonia".JOURNAL OF THE EUROPEAN CERAMIC SOCIETY 38.4(2018):1219-1226.
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