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Advances in Heat Transfer Engineering

ISSN:
1-56700-198-1 (Print)

THERMOPHYSICAL PROPERTIES OF PARTICLE-FILLED POLYMER COMPOSITES AT LOW TEMPERATURES. INFLUENCE OF THE THERMAL CYCLING

Liudmila E. Evseeva
A. V. Luikov Heat and Mass Transfer Institute, National Academy of Sciences of Belarus, 15 P. Brovka Str, Minsk, 220072, Belarus

Svetlana Tanaeva
A. V. Luikov Heat and Mass Transfer Institute, National Academy of Sciences of Belarus, 15 P. Brovka Str, Minsk, 220072, Belarus

Abstract

Measurements of thermal conductivity, thermal diffusivity and specific heat of some particle-filled epoxy composites under and without thermal cyclic loading in the temperature range 4.2−400 K are presented. The temperature dependence of the specific heat shows step-wise characteristics at low temperatures. The thermal conductivity and thermal diffusivity depend on a number of thermal cycles slightly. The cryogenic stability of a material depends of a type and concentration of filler.