两种玻璃纤维增强复合材料体系的湿热老化研究
发布时间：2018-10-12 12:51
【摘要】：玻璃纤维增强复合材料在湿热环境下性能的退化是工程研究中待解决的问题,而实验室人工加速老化则是较好地研究该问题的常用方法。通过人工加速老化方法,结合露天储水环境,研究两种玻璃纤维增强复合材料在35℃水浸泡、65℃水浸泡及盐雾三种环境下的吸水率、巴氏硬度和弯曲强度的变化,并运用两种模型预测材料的使用寿命。研究表明:不同湿热环境下,材料的巴氏硬度前期变化明显,后期趋向稳定;吸水率基本符合Fick定律;温度对弯曲强度保留率影响显著,盐雾影响次之;中值老化公式比经验公式拟合度高7.6%。
[Abstract]:The degradation of the properties of glass fiber reinforced composites in humid and hot environment is a problem to be solved in engineering research, and the commonly used method to study this problem is artificial accelerated aging in laboratory. The changes of water absorption, pasteurization hardness and bending strength of two glass fiber reinforced composites under 35 鈩，
本文编号：2266176
[Abstract]:The degradation of the properties of glass fiber reinforced composites in humid and hot environment is a problem to be solved in engineering research, and the commonly used method to study this problem is artificial accelerated aging in laboratory. The changes of water absorption, pasteurization hardness and bending strength of two glass fiber reinforced composites under 35 鈩，
本文编号：2266176
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