Measurements of Thermal Conductivities and Heat Capacities for As2S3 and As2Se3 Glasses

• Published in: Journal of the Ceramic Association, Japan Vol. 82; no. 943; pp. 156 - 159
• Main Author: KURIYAMA, Masaaki
• Format: Journal Article
• Language: Japanese
• Published: The Ceramic Society of Japan 1974
• ISSN: 0009-0255; 1884-2127
• DOI: 10.2109/jcersj1950.82.943_156

Temperature dependences of thermal conductivities and heat capacities for As2S3 and As2Se3-glasses were measured by continuous heating method in the temperature range from the room temperature to the transition temperature range. The following conclusions were obtained. (1) By continuous heating method, thermal conductivities and heat capacities were measured easily and in a short time. (2) Thermal conductivities of these glasses increased slowly with rising temperature and, above the transition range, the conductivities slightly decreased with increase of temperature. (3) Heat capacities of these glasses increased with rising temperature, and in the transition range the temperature dependence showed a sudden change and had a maximum. (4) Temperature dependences of specific heats were determined from the observed heat capacities and specific gravities. (5) The contribution of radiation heat transfer to the total heat transfer was estimated. It is reasonable to consider the heat to be transfered only by conduction, since the contribution of radiation was negligible small in the present work.