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Fabrication of dense β-SiAlON by a combination of combustion synthesis (CS) and spark plasma sintering (SPS)

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タイトル: Fabrication of dense β-SiAlON by a combination of combustion synthesis (CS) and spark plasma sintering (SPS)
著者: Yi, Xuemei 著作を一覧する
Watanabe, Kotaro 著作を一覧する
Akiyama, Tomohiro 著作を一覧する
キーワード: Silicides, various
Reaction synthesis
Sintering
Diffraction (electron, neutron and X-ray)
Electron microscopy, scanning
発行日: 2010年 4月
出版者: Elsevier
誌名: Intermetallics
巻: 18
号: 4
開始ページ: 536
終了ページ: 541
出版社 DOI: 10.1016/j.intermet.2009.10.004
抄録: First, β-SiAlON (z = 1, 2, 3, and 4) powders were combustion-synthesized from well-mixed powders of Si, Al, and SiO2 under a low nitrogen pressure of 1 MPa using β-SiAlON (calculated z = 1.14) as the diluent. Then, the synthesized powders were subjected to spark-plasma-sintering (SPS) in vacuum for 12 min under a stress of 50 MPa and a temperature of 1600℃, without any sintering additives. X-ray diffraction (XRD) analysis revealed that a small amount of unreacted phase was found in the combustion-synthesized powders; however, pure β-SiAlON compacts were successfully obtained after SPS. The relative density of the products obtained by subjecting the combustion-synthesized powders to SPS was more than 99% of theoretical density.
資料タイプ: article (author version)
URI: http://hdl.handle.net/2115/42983
出現コレクション:雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

提供者: 秋山 友宏

 

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