Abstract
Based on the high thermal and electrical conductivity of graphene and the excellent corrosion resistance of Perfluoroalkoxy (PFA), a novel graphene -PFA composite was proposed to simultaneously meet the demands of heat transfer and corrosion resistance . Ultrasonic dispersion technology was used to disperse the aggregated graphene in the composite . Graphene -PFA composites with different graphene content were prepared by hot pressing and cold-press sintering. We analyzed the thermal decomposition , compressive strength , electrothermal properties . There was no phase change occurred below 300 °C, the graphene -PFA composites had a high thermal stability below 300 °C. The compressive properties of the composite prepared by hot pressing were better than cold-press sintering. Increasing the content of graphene greatly improved the thermal conductivity and conductivity of the composite . The uniformity of graphene distribution inside the composite was verified by infrared camera.
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Acknowledgements
The authors would like to express their gratitude for the financial support of the National Key Research and Development Program of China (No. 2016YFB0600701).
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© 2019 The Minerals, Metals & Materials Society
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Zhang, W., Zuo, H., Wang, J., Liu, Y., Wang, Y. (2019). Preparation and Properties of Novel Graphene Composites. In: TMS 2019 148th Annual Meeting & Exhibition Supplemental Proceedings. The Minerals, Metals & Materials Series. Springer, Cham. https://doi.org/10.1007/978-3-030-05861-6_16
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DOI: https://doi.org/10.1007/978-3-030-05861-6_16
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