聚合物基复合材料的湿扩散参数研究

详细信息

MOISTURE DIFFUSION PARAMETERS OF POLYMER MATRIX COMPOSITES

1.
Dept. of Materials Science and Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100083, China;
2.
Beijing Institute of Aeronautical Materials, Beijing 100095, China

摘要

摘要: 通过系统地研究几种国产复合材料的吸湿行为,获得了描述湿气在其中扩散的基本参数,如平衡湿含量M_m,M_m与相对湿度φ关系中的常数a和b,沿板材厚度方向上的一维湿扩散系数D_x以及D_x与温度关系中的常数ΔE(湿扩散活化能)和D₀等。
- 复合材料 /
- 平衡湿含量 /
- 湿扩散系数 /
- 湿扩散活化能
Abstract: The moisture diffusion behavior of several types of domestic polymer matrix composites was systematically studied and their basic moisture diffusion parameters, such as the equilibrium moisture content M_m, the constants a and b in the relationship between M_m and relative humidity φ, the moisture diffusion coefficient in the direction of laminate thickness D_x, the constants ΔE(the active energy of moisture diffusion)and D₀ in the relationship of D_x and temperature T, were obtained.
- composite /
- equilibrium moisture content /
- moisture diffusion coefficient /
- active energy of moisture diffusion