Structural Investigation of Molten Alkali Silicates by Raman Spectroscopy(MATERIALS METALLURGY AND WELDABILITY)
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概要
- 論文の詳細を見る
Raman spectra of alkali silicates Na_2O・2SiO_2, Na_2O・SiO_2 and M_2O・4SiO_2 (M=K, Rb) from glasses to melts were measured by using high temperature Raman spectroscopic technique. The band broadening, the frequency shifts and the change of the intensity ratio of the bands attributed to Si-O vibration modes with increasing temperature were interpreted in terms of the depolymerization process of the anionic structural units. It is concluded that the melt structures of these silicates are not necessarily similar to the corresponding glass structures.
- 大阪大学の論文
著者
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IWAMOTO Nobuya
Osaka University
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UMESAKI Norimasa
Osaka University
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Dohi Kenji
Osaka University
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Umesaki Norimasa
Osaka National Research Institute (onri) Aist
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