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Morphology control of beta-SiAlON via salt-assisted combustion synthesis
| Title: | Morphology control of beta-SiAlON via salt-assisted combustion synthesis |
| Authors: | Niu, Jing Browse this author | | Harada, Kazuto Browse this author | | Nakatsugawa, Isao Browse this author | | Akiyama, Tomohiro Browse this author →KAKEN DB |
| Keywords: | Powders | | Combustion synthesis | | beta-SiAlON | | Salt-assisted | | Microstructure |
| Issue Date: | Jan-2014 |
| Publisher: | Elsevier sci ltd |
| Journal Title: | Ceramics international |
| Volume: | 40 |
| Issue: | 1 |
| Start Page: | 1815 |
| End Page: | 1820 |
| Publisher DOI: | 10.1016/j.cerarnint.2013.07.082 |
| Abstract: | A facile salt-assisted combustion synthesis of beta-SiAlON and systematic characterization of the endothermic effects of addition of KCl, MgCl2, and CaCl2 were investigated under a nitrogen pressure of 1 MPa. Single-phase products containing crystals with different shapes were obtained. The results indicated that the metal chlorides act as perfect diluents that effectively absorb the reaction heat via their melting and evaporation, which occur in the same temperature ranges as the two stages of the exothermic processes. In addition, the products exhibited different morphologies when the type or amount of metal chlorides was changed. The results of this work suggest that single-phase beta-SiAlON could be fabricated with the intended morphology by simply adding different kinds of metal chlorides. (C) 2013 Elsevier Ltd and Techna Group S.r.l. All rights reserved. |
| Type: | article (author version) |
| URI: | http://hdl.handle.net/2115/55247 |
| Appears in Collections: | 工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)
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Submitter: 秋山 友宏
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