玻璃钢/复合材料Issue(11)：37-42,6.
轻质环氧基复合材料隔热性能的实验与数值研究
EXPERIMENTAL AND NUMERICAL STUDY ON THERMAL INSULATION PERFORMANCE OF LIGHT EPOXY COMPOSITES
摘要
Abstract
The thermal insulation performance of hollow glass bead/epoxy composites were studied by experiment and numerical simulation method.The representative volume element was established by ANSYS/APDL parametric finite elements analysis technology,and then the effects of model size,volume fraction,particle size and ratio of thermal conductivity of matrix and particle (λm/λp,λm remain a constant) on the thermal conductivity of composites were investigated.The numerical results show that model size has little influence on the thermal conductivity of composites when it is larger than 500 μm.The thermal conductivity of composites decreases with the increase of volume fraction of particle and λm/λp.What is more,the thermal conductivity of composites is barely affected by the particle average size.By comparison,the calculated values are in good agreement with theoretical and measured values,which proves the reliability of the calculation method.In addition,the incorporation of hollow glass bead effectively reduces the density of the resin.Lightweight insulated hollow glass bead/epoxy composites have the potential to become an energy-saving and environmentally friendly material with a wide range of applications.关键词
空心玻璃微球/环氧树脂/代表性体积单元/导热系数Key words
hollow glass bead/EP/RVE/thermal conductivity分类
通用工业技术引用本文复制引用
杨晓翔,朱清帅,鲍睿,晏石林,李永静,丁志胜..轻质环氧基复合材料隔热性能的实验与数值研究[J].玻璃钢/复合材料,2017,(11):37-42,6.基金项目
“十二五”国家科技支撑计划“南水北调工程混凝土病害防治关键技术研究与示范”(2015BAB07B04) （2015BAB07B04）
