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Experimental investigation on the dynamic properties and failure mode of carbon fiber reinforced thermoplastic composites

机译：碳纤维增强热塑性复合材料动态性能和失效模式的实验研究

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Owing to the excellent mechanical properties and formability of carbon fiber reinforced thermoplastic composites, this composite has been applied in car industry. The static and dynamic mechanical properties of the composites are investigated under strain-rate from 0.001/s to 50/s. The experimental results show that the elastic model and tensile strength increase with the increase of strain rate, and show that the composite has remarkable rate-hardening effect. A constitute model that including rate-dependent effect is applied to present the strain-stress curve of the composite. The constitute model provides accurate constitute function for finite element analysis of the composite. The microstructure of the composite is also investigated with scanning electric microscope, and the failure modes are discussed. The investigation provides the basis for engineering application of the composite.
机译：由于碳纤维增强热塑性复合材料的优异机械性能和可成形性，该复合材料已应用于汽车工业。将复合材料的静态和动态力学性能从0.001 / s的应变速率进行研究。实验结果表明，弹性模型和拉伸强度随着应变率的增加而增加，表明复合材料具有显着的速率 - 硬化效果。构成包括率依赖性效果的模型应用于呈现复合材料的应变应力曲线。构成模型提供了对复合材料有限元分析的准确构成功能。还通过扫描电显微镜研究复合材料的微观结构，并讨论了故障模式。调查为综合应用提供了工程应用的基础。

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