Improvement of Thermal Conductivity of Carbon Fiber-Filled Polymer Composites using Flow-Induced Fiber Orientation
Seikei-kakou(2019)
Abstract
In this study, an intermediate process for forcibly orienting carbon fibers was proposed in order to improve the thermal conductivity in thickness direction of a polymer composite sheet. Thin strands containing carbon fibers obtained by extrusion process were hot-pressed to produce an intermediate sample. After giving a zigzag shape to this intermediate sample, the target structure was obtained by folding the sample. Laser flash analysis of the thermal conductivity of sample showed that the value of 1.74 W / (m・K) was achieved at the carbon fiber volume fraction of 15%.
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Key words
thermal conductivity,polymer composites,fiber-filled,flow-induced
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