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Thermal conductivity study of two – phase nano composite material

Thermal conductivity study of two – phase nano composite material

Led by:  X. Zhuang
Team:  Bo He
Year:  2016

This project focues on the thermal conductivity of polymer-matrix nano composites accounting for the interface conductance. The influence of the scale effect and different fillers, i.e. spherical, cylindrical and plate-like fillers (fullerene, carbon nanotubes and graphene sheets) with different ratios (plate diameter to plate thickness and length to diameter ratios for plate-like and cylindrical fillers, respectively) on the thermal conductivity is studied. The representative volume elements (RVEs) possess periodical fillers. The computational homogenization is performed to extract the thermal conductivity of polymer-matrix composites.

Figure 1. Illustration of 3D RVE with 2% volume fraction of Carbon nanotube and 3D mesh

Related publication: Modeling Kapitza resistance of two-phase composite material.

http://dx.doi.org/10.1016/j.compstruct.2016.06.025