研究了玻璃纤维增强树脂基复合材料(GFRP)层合板弯曲强度高温加速试验的时间温度相关性.在不同的温度和加载速率下进行了三点弯曲试验.通过弯曲强度控制曲线的时间温度移动因子曲线分析了GFRP层合板的弯曲强度时间温度相关性.探讨了低温短时和高温长时的失效机理.通过玻璃纤维拉伸延迟断裂试验,对GFRP层合板的低温短时弯曲强度的时间温度相关性进行了修正.修正后的弯曲强度控制曲线的时间温度移动因子曲线与基体树脂动态杨氏模量的时间温度移动因子曲线非常吻合,表明GFRP层合板的弯曲强度取决于基体树脂的粘弹性性能.
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