针对潮湿和酸雨多发地域的航空器用复合材料老化问题,模拟酸雨和温热(普通热水)环境,研究了单向玻璃纤维增强双马来酰亚胺树脂(BMI)复合材料(UGFRBC)吸水行为,通过红外光谱仪、力学测试装置、热力学分析装置分别表征了老化前后复合材料基体的结构、弯曲性能、层间剪切性能、动态粘弹性和玻璃化转变温度,分析了酸雨与温热环境下吸湿率对复合材料力学性能影响,建立了一种预测该复合材料酸雨和温热老化力学性能的经验公式.
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