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http://dx.doi.org/10.14773/cst.2020.19.1.23

The Paint Prepared Using 2D Materials: An Evaluation of Heat Dissipation and Anticorrosive Performance  

Bhang, Seok Jin (Korea Coating Technology Center, Pukyong National University)
Kim, Hyunjoong (Korea Coating Technology Center, Pukyong National University)
Shin, An Seob (Korea Coating Technology Center, Pukyong National University)
Park, Jinhwan (Korea Coating Technology Center, Pukyong National University)
Publication Information
Corrosion Science and Technology / v.19, no.1, 2020 , pp. 23-30 More about this Journal
Abstract
Heat sinks are most widely used in thermal management systems; however, the heat dissipation efficiency is usually limited. Therefore, in order to increase heat dissipation efficiency of the heat sink, the heat-dissipating paint using 2D materials (hexagonal boron nitride (h-BN) and graphene) as thermally conductive additive was designed and evaluated in the present study. The heat dissipation performance of the paint was calculated from temperature difference between the paint-coated and -uncoated specimens mounted on the heat source. The highest heat dissipation performance was obtained when the ratio of h-BN to resin was 1/10 in the paint. In addition, further reduction in the temperature of the test specimen by 6.5 ℃ was achieved. The highest heat dissipation performance of the paint prepared using graphene was achieved at a 1/50 ratio of graphene to the resin, and a 6.5 ℃ reduction was attained. In addition, graphene exhibited enhanced corrosion resistance property of heat-dissipating paint by inhibiting the growth of the paint blisters.
Keywords
Paint; h-BN; Graphene; Thermal dissipation; Corrosion resistance;
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