Thermal conductivity measurements of float glass at high temperatures by needle probe method

Hiroshi Kiyohashi, Naoya Hayakawa, Shin'ichi Aratani, Hidetoshi Masuda

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

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 gradually 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.

Original languageEnglish
Pages (from-to)381-386
Number of pages6
JournalJournal of the Ceramic Society of Japan
Volume108
Issue number4
DOIs
Publication statusPublished - 2000

Keywords

  • Float glass
  • High temperature
  • Needle probe method
  • Soda-lime-silicate glass
  • Thermal conductivity

ASJC Scopus subject areas

  • Ceramics and Composites
  • Chemistry(all)
  • Condensed Matter Physics
  • Materials Chemistry

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