研究了单向铺层的T300/5405复合材料在六种湿热环境中的吸湿行为,并利用扫描电镜研究了材料吸湿过程中的形貌变化.同时计算了在不同湿热条件下的水分扩散系数.结果表明在较高的温度和湿度下会使水分的扩散速率增加.老化后试样的剪切强度、弯曲强度和压缩强度随着老化时间的延长均有所下降,同时在相同的温度条件下,提高湿度会使材料的力学性能下降更快.
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