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首页> 外文期刊>日本複合材料学会誌 >Time and Temperature Dependence on Flexural Static, Creep and Fatigue Fracture Behaviors of Unidirectional CFRP Laminates
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Time and Temperature Dependence on Flexural Static, Creep and Fatigue Fracture Behaviors of Unidirectional CFRP Laminates

机译：时间和温度对单向CFRP层压板弯曲静态，蠕变和疲劳断裂行为的影响

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摘要

The flexural static, creep and fatigue fracture behaviorof unidirectional CFRP laminates of a general type of thermosettingresin with a PAN-based carbon fiber, were investigated by three-pointbending tests over a wide range of temperature and deflection rate.The flexural fracture behavior by the fractographs as well as thestrength of the static, the creep and the fatigue loading remarkablydepend on the testing rate and temperature. The master curves forthese strengths can be produced by using the time-temperaturesuperposition principle. The time-temperature shift factors for thethree kinds of strengths were quantitatively in good agreement withthat for the stress-strain relation of the matrix resins. Therefore thetime and temperature dependences of fracture behavior are mainlycontrolled by the viscoelastic behavior of the matrix resin.
机译：通过在广泛的温度和挠曲率范围内进行三点弯曲试验，研究了普通类型的热固性树脂与PAN基碳纤维的单向CFRP层压板的弯曲静态，蠕变和疲劳断裂行为。以及静电强度，蠕变和疲劳载荷明显取决于测试速率和温度。可以使用时间-温度叠加原理来产生主曲线的上述强度。三种强度的时温变化因子在定量上与基体树脂的应力-应变关系吻合良好。因此，断裂行为的时间和温度依赖性主要受基体树脂的粘弹性行为控制。

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