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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Mm,Mm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Dx以及Dx与温度关系中的常数ΔE(湿扩散活化能)和D0等。

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 Mm, the constants a and b in the relationship between Mm and relative humidity φ, the moisture diffusion coefficient in the direction of laminate thickness Dx, the constants ΔE(the active energy of moisture diffusion)and D0 in the relationship of Dx and temperature T, were obtained.

参考文献

[1] [1] Ciriscioli P R, Lee W I, Peterson D G, et al. Accelerated environmental testing of composites[J]. Journal of Composite Materials, 1987,21(3):225-242.
[2] [2] Collingx T A, Copley S M. On the accelerated aging of CFRP[J]. Composites, 1983,14(3):180-188.
[3] [3] Shen C H, Springer G S. Moisture absorption and desorption of composite materials[J]. Journal of Composite Materials, 1976,10:2.
[4] [4] Ernest G W. Polymer Matrix Composites: Moisture Effects and Dimensional Stability[A]. In:Lee S M, ed. International Encyclopedia of Composites(NY10010 Vol 4)[M]. New York: VCH Publishers Inc,1990. 279-323.
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