Abstract
ABSTRACT The retardation of heat transfer plays an important role in the survival and efficient performance of machine components which is known as insulation. In the field of insulation, epoxy has a tremendous importance. To increase its insulation property, reinforcement of various insulative fibers produces a new class of fiber composites that greatly attracts the researchers. In the present investigation, the thermal behavior of a class of polymer composites with improved insulation capabilities, consisting of epoxy and short bismarckia palm fiber, has been reported. Epoxy composites incorporated with different loadings are prepared by solution casting method. Various thermodynamic properties of epoxy like thermal conductivity (K), glass transition temperature (Tg) and coefficient of thermal expansion were calculated for different fiber loadings. A model based on numerical method has been developed to calculate the value of effective thermal conductivity of the composites using finite element analysis. Then, the result is compared with existing analytical models and experimentally obtained values. The outcome shows that the insulative behavior of the composite has been greatly improved as we increase the fiber content in the epoxy. There is also a marked enhancement of Tg of the epoxy with the incorporation of fiber.
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