Corrosion Science and Technology

The Corrosion Science Society of Korea (한국부식방식학회)
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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)
  • Received : 2020.01.05
  • Accepted : 2020.02.05
  • Published : 2020.02.28
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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.

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References

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