Abstract
In the field of lightweight construction, the use of natural fibers as reinforcement in composites has been increasingly discussed. Additionally, the damping properties of natural fibers are known from fiber materials such as fiber insulation boards. In the scope of the work presented here, the focus is on identifying the potential of natural fibers for lightweight structures with high vibration damping capacity. For this purpose, test specimens made of flax fiber-reinforced and glass fiber-reinforced thermoplastic composites were manufactured and characterized. Contrary to expectations, the flax fiber-reinforced composite exhibited an almost isotropic damping characteristic. A comparison of the damping and stiffness properties determined by measurement confirms the high potential of natural fiber-reinforced materials for lightweight structures with high damping.
Highlights
Due to their physical properties, fiber-reinforced plastics have significant technical advantages over competing materials in a large number of component applications
The use of natural fibers in those components is gaining more and more interest. This is mainly based on the excellent lightweight construction potential of natural fibers and the increasing environmental awareness, since renewable raw materials do have less impact on global warming through CO2 emissions compared to conventional composites like glass fiber-reinforced plastics [1]
The present investigations are focused on the damping behavior of continuous natural fiber-reinforced thermoplastic composites
Summary
Due to their physical properties, fiber-reinforced plastics have significant technical advantages over competing materials in a large number of component applications. The use of natural fibers (especially plant fibers) in those components is gaining more and more interest. This is mainly based on the excellent lightweight construction potential of natural fibers and the increasing environmental awareness, since renewable raw materials do have less impact on global warming through CO2 emissions compared to conventional composites like glass fiber-reinforced plastics [1]. The present investigations are focused on the damping behavior of continuous natural fiber-reinforced thermoplastic composites. In this context, numerous research studies on natural fiber-reinforced composite materials have been published in recent years
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