NMR study on the formation mechanism of β-SiAlON from zeolite by nitridation using ammonia gas
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概要
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β-SiAlON was synthesized from a zeolite by NH_3 gas nitridation and its formation mechanism was investigated using X-ray diffraction and ^<29>Si and ^<27>Al NMR spectroscopy. It was revealed that most of the Si and Al atoms react to form β-SiAlON via amorphous forms of Si-Al-O-N and O-SiAlON. Nitridation using NH_3 gas is an effective means of preventing mullite formation and promoting the introduction of nitrogen into aluminosilicate materials at lower temperatures than temperatures required by the carbothermal reduction nitridation process. Further, the NMR spectra showed that the siliceous part of the system changed into low Z-value of Si_<6-z>Al_zO_zN_<8-z> (β-SiAlON) and the incorporation of Al components into the β-SiAlON was promoted in the later stages of the reaction.
- 社団法人日本セラミックス協会の論文
- 2008-09-01
著者
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TATAMI Junichi
Graduate School of Environment and Information Science, Yokohama National University
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KOMEYA Katsutoshi
Graduate School of Environment and Information Science, Yokohama National University
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MEGURO Takeshi
Graduate School of Environment and Information Science, Yokohama National University
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MACKENZIE Kenneth
School of Physical and Chemical Sciences, Victoria University of Wellington
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Mackenzie Kenneth
School Of Chemical And Physical Sciences Victoria University Of Wellington
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Kondo K
Kyoto Univ. Kyoto Jpn
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Meguro Takeshi
Graduate School Of Environment And Information Sciences Yokohama National Univ.
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Meguro Takeshi
Graduate School Of Environment And Information Science Yokohama National University
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Wakihara Toru
Graduate School Of Environment And Information Sciences Yokohama National Univ.
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Komeya K
Graduate School Of Environment And Information Sciences Yokohama National Univ.
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Komeya Katutoshi
Graduate School Of Environment And Information Science Yokohama National University
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Kondo K
Tokyo Inst. Technol. Yokohama Jpn
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Tatami Junichi
Department Of Artificial Environment And Information Faculty Of Environment And Information Sciences
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Meguro Takeshi
Department Of Artificial Environment And Information Faculty Of Environment And Information Sciences
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Kondo K
Stanley Electric Co. Ltd. Yokohama Jpn
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Kondo Kazuhiro
Fujitsu Laboratories Ltd.
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SAITO Yuri
Graduate School of Environmental and Information Sciences, Yokohama National University
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TAKAGI Shinichi
Kanagawa Industrial Technology Research Institute
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YOKOUCHI Masahiro
Kanagawa Industrial Technology Research Institute
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Kondo K
Fujitsu Laboratories Ltd.
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Yokouchi Masahiro
Kanagawa Industrial Technology Center
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Kondo Kunitaka
Institute Of Physics University Of Tsukuba
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Saito Yuri
Graduate School Of Environmental And Information Sciences Yokohama National University
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Kondo Ken'ichi
Broadcasting Science Research Laboratories Of Nippon Hoso Kyokai:(present Address) Moririka Electron
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Komeya Katsutoshi
Graduate School Of Environment And Information Science Yokohama National University
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Mackenzie Kenneth
School Of Chemical And Physical Sciences Victoria Univ. Of Wellington
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Wakihara Toru
Graduate School And Research Institute Of Environment And Information Sciences Yokohama National University
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Tatami Junichi
Graduate School And Research Institute Of Environment And Information Sciences Yokohama National University
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Meguro Takeshi
Graduate School and Research Institute of Environment and Information Sciences, Yokohama National University
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Tatami Junichi
Graduate School and Research Institute of Environment and Information Sciences, Yokohama National University
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