Improved Thermal Conductivity for TATB-based Polymer Bonded Explosives with Graphene Nanoplatelets

摘要

Graphene nanoplatelets (GNPs)-enriched 1,3,5-triamino-2,4,6-trinitrobenzene (TATB)-based polymer bonded explosives (PBXs) were prepared with water suspension methods.Three mass ratio configurations (0.05, 0.15, 0.5％) of GNPs were considered and compared with taw TATB-based PBX without GNPs.The thermal conductivity of GNPs modified nanocomposites as a function of the GNPs mass fraction were investigated using a laser thermal conductivity testing instrument.The experimental results demonstrated that the incorporation of GNPs was an effective way to improve the thermal conductivity of the composites.The thermal conductivity of composite with 0.5％ GNPs was increased by 47.1％, from 0.546 W/m·K (raw TATB-based PBX)to 0.803 W/m·K.The thermal shock resistance of nanocomposites filled with GNPs also exhibited a significant increase compared with raw TATB-based PBX without GNPs.