Analysis of thermal conductivity of graphene composites based on mesomechanics
The thermal conductivity of graphene-filled PLA composites is investigated based on the theory of microscopic mechanics using the representative volume element method.Based on the micrographs,the microstructural characteristics of the composites are analyzed and the microstructural model is constructed,and the equivalent thermal conductivity of the composites is solved by the finite element method,and the correctness and validity of the model are verified by comparing with the experimental results.Through parametric analysis,the influence of each microstructure parameter on the thermal conductivity of the composites is investigated,and the constructed model and the corresponding parametric analysis results are of great significance for the prediction and optimization of the thermal conductivity of graphene-filled composites.
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