高温におけるフロートガラスの熱伝導率のニードルプローブ法による測定

概要

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Thermal conductivity of several soda-lime-silicate glasses, which are called float glasses, has been measured by a needle probe method in the temperature ranges from room temperature to 1173 K. Kinds of the samples were the ordinary clear float glass (CFL), bronze (BFL), gray (GFL), blue (HFL) and green (MFL) glasses. Experimental results showed that the thermal conductivity of the glasses increased gradully with rise of temperature in the ranges from room temperature to 1173 K. Thermal conductivity values of the glasses measured do not depend on the kinds of samples, and it is considered that the measured values are real thermal conductivity. The values of conductivity of the glasses measured were about 1.0 W/(m・K) at 303 K, 1.3 W/(m・K) at 773 K, 1.4 W/(m・K) at 973 K and 1.7 W/(m・K) at 1173 K.
社団法人日本セラミックス協会の論文
2000-04-01