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首页> 外文期刊>Journal of intelligent material systems and structures >Exploiting Functional Fibers in Advanced Composite Materials
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Exploiting Functional Fibers in Advanced Composite Materials

机译：在高级复合材料中开发功能性纤维

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Magnetic fiber reinforced composite material is being developed which utilizes hollow glass fibers filled with active ferromagnetic material. The resulting material maintains structural integrity as is, providing a possible means of electrical power generation from a dynamically loaded structure. The hollow glass fibers are manufactured in-house using a bespoke fiber drawing facility. Hard magnetic powder materials are introduced into the hollow fiber cores to provide an active ferromagnetic function. The first part of this article discusses the ongoing work to manufacture, characterize, and optimize active magnetic fiber reinforced composite materials. Recent advances in smart material actuators have led to the development of piezoceramic 'patches' that utilize the piezoelectric effect of individual fibers encased in a protective environment. Previously, these patches have been either positioned on the surface or embedded within the structure, disrupting the composite lay-up. The second part of the article outlines a study of the feasibility of embedding piezoelectric fibers directly into a composite lay-up, thereby allowing a composite laminate to deform due to internal actuation. Potential improvements to the work have been identified and future work has been proposed to further understand and maximize the performance of integrated piezoelectric fiber composites.
机译：正在开发利用填充有活性铁磁材料的中空玻璃纤维的磁性纤维增强复合材料。所得材料按原样保持结构完整性，提供了从动态加载的结构产生电能的可能手段。中空玻璃纤维是使用定制的纤维拉伸设备在内部制造的。将硬磁粉末材料引入中空纤维芯中，以提供有效的铁磁功能。本文的第一部分讨论了正在进行的制造，表征和优化活性磁性纤维增强复合材料的工作。智能材料执行器的最新进展导致了压电陶瓷“贴片”的开发，该贴片利用了包裹在保护环境中的单根纤维的压电效应。以前，这些贴片要么位于表面上，要么嵌入在结构中，从而破坏了复合材料的铺层。本文的第二部分概述了将压电纤维直接嵌入复合材料叠层中的可行性的研究，从而使复合材料层压板因内部驱动而变形。已经确定了工作的潜在改进，并提出了未来的工作，以进一步了解和最大化集成压电纤维复合材料的性能。

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