Currently, there is an urgent need to reduce the CO₂ footprint and simultaneously improve resource efficiency. Hence, conventional construction materials are increasingly being replaced by fiber reinforced plastics, which can be used more efficiently by integration of actuator materials for the formation of adaptive fiber reinforced plastics. This paper presents the development of adaptive hinged fiber reinforced plastics based on shape memory alloys, which were structurally integrated into reinforcing fabrics by weaving technology. Prior to weaving, the SMA was converted into hybrid yarns in the form of core‐sheath structures by means of friction spinning technology. The produced functionalized fabrics were varied by the distance between two adjacent SMAs and their hinged width. Subsequently, the deformation behavior of adaptive fiber reinforced fabrics was tested, and results were evaluated in terms of quasi‐static and dynamic aspects. Results revealed that the maximum deformation of adaptive FRP was tripled by increasing the hinged width from 50 to 150 mm and doubled by reducing the distance between two adjacent SMAs from 20 to 10 mm.

中文翻译：

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量身定制的形状记忆合金混合纱线的自适应铰接纤维增强塑料

当前，迫切需要减少CO ₂足迹并同时提高资源效率。因此，常规的建筑材料正越来越多地被纤维增强塑料替代，其可以通过集成致动器材料而更有效地用于形成自适应纤维增强塑料。本文介绍了基于形状记忆合金的自适应铰接纤维增强塑料的开发，该结构通过编织技术在结构上集成到增强织物中。在编织之前，通过摩擦纺丝技术将SMA转变为芯-皮结构形式的混合纱线。所生产的功能化织物因两个相邻SMA之间的距离及其铰接宽度而异。随后，测试了自适应纤维增强织物的变形行为，并根据准静态和动态方面对结果进行了评估。结果显示，通过将铰链宽度从50 mm增加到150 mm，自适应FRP的最大变形增加了三倍，而将两个相邻SMA之间的距离从20 mm减少到了10 mm，则使FRP的最大变形增加了两倍。