Theory of Thermal Conduction in Thin Ceramic Films

  title={Theory of Thermal Conduction in Thin Ceramic Films},
  author={Paul G. Klemens},
  journal={International Journal of Thermophysics},
  • P. Klemens
  • Published 2001
  • Physics, Materials Science
  • International Journal of Thermophysics
The theory of heat conduction in ceramics by phonons, and at high temperatures also by infrared radiation, is reviewed. The phonon mean free path is limited by three-phonon interactions and by scattering of various imperfections. Point defects scatter high-frequency phonons; extended imperfections, such as inclusions, pores, and grain boundaries, affect mainly low-frequency phonons. Thermal radiation is also scattered by imperfections, but of a larger size, such as splat boundaries and large… 

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