Rupture Phenomena of Molten Alkali Silicate Thin Films.

DOI Web Site 被引用文献2件 参考文献14件
  • Sasaki Yasushi
    Division of Materials Science and Engineering, Graduate School of Engineering, Hokkaido University
  • Ishii Kuniyoshi
    Division of Materials Science and Engineering, Graduate School of Engineering, Hokkaido University
  • Arahata Daisuke
    Division of Materials Science and Engineering, Graduate School of Engineering, Hokkaido University
  • Iguchi Manabu
    Division of Materials Science and Engineering, Graduate School of Engineering, Hokkaido University

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The rupture length of the iron bearing alkali silicate thin films (the K2O· 2SiO2, K2O·2SiO2 and Na2O·2SiO2 –Fe2O3 systems) are measured as a function of the silica content, the Fe2O3 content, temperature, and the drawn out rate. In these melts, it is found that the rupture length, L, depends on the drawn-out rate, ν, at the high drawn-out rate conditions, but is independent from the drawn-out rate at the low drawn-out conditions. For all the systems of K2O–SiO2 and Na2O–SiO2 –Fe2O3, the rupture length (L) at the high drawn out rate conditions is found to be proportional to the -2/3 of the power of the drawn-out rate (ν), <br><br>L ∝ (ν)-2/3<br><br>The rupture length at the low drawn-out rate strongly depends on the SiO2 and Fe2O3 contents, but not temperature and drawn-out rate. From these results, it is confirmed that the rupture length at the low drawn-out rate is determined by the Si–O bond strength of the silicate tetrahedral units.

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