Journal of Materials Science

, Volume 25, Issue 1, pp 431–433 | Cite as

Study of thermal properties of glass system 77% B2O3-23% PbO doped with ZnO in the temperature range 300 to 700 K

  • A. M. Abousehly
  • A. M. Abou-El-Azm
  • M. H. Wasfy
  • A. A. El-Sharkawy
  • M. B. Osman
Article

Abstract

The thermal properties: specific heat capacity (Cp), thermal conductivity (λ), and thermal diffusivity (a) of the glass system 77% B2O3-23% PbO doped with ZnO, were measured in the temperature range 300 to 700 K. It was found that electronic conduction has no significant contribution to the thermal conductivity. The main mechanism of heat transfer is therefore due to both phonons and photons. A discussion of the results is made in view of various theoretical aspects.

Keywords

Polymer Heat Transfer Thermal Conductivity Heat Capacity Thermal Property 

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Copyright information

© Chapman and Hall Ltd. 1990

Authors and Affiliations

  • A. M. Abousehly
    • 1
  • A. M. Abou-El-Azm
    • 1
  • M. H. Wasfy
    • 1
  • A. A. El-Sharkawy
    • 1
  • M. B. Osman
    • 2
  1. 1.Department of Physics, Faculty of ScienceAl-Azhar UniversityNasr City, CairoEgypt
  2. 2.Department of Physics, Faculty of GirlsAin Shams UniversityCairoEgypt

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