Ｅガラスと微量の水分の相互作用

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  • Interaction of E Glass with a Small Amount of Water
  • E ガラス ト ビリョウ ノ スイブン ノ ソウゴ サヨウ

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Effect of a small amount of water on the low temperature viscosity of calcium aluminoborosilicate glass with a minor amount of alkali called E glass was investigated. The amount of water in the glass was varied from 0.0014wt% to 0.105wt%; glasses containing higher amounts of water were prepared by exposing the glassy melt to water vapor at 1400°-1450°C and those containing lower amounts of water by exposing the glassy melt to dried nitrogen. The infrared absorption measurements indicated that the exposure of E glasses to water vapor at high temperatures increased the water content and at the same time decreased the B2O3 content. Therefore, correction as to the effect of B2O3 content on the viscosity of glass was attempted. It was found that the water markedly decreased the viscosity of E glass as seen in the case of soda-lime-silica and lead silicate glasses.

収録刊行物

  • 窯業協會誌

    窯業協會誌 90 (1046), 585-593, 1982

    公益社団法人 日本セラミックス協会

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