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The process of integrating smart materials into fiber-reinforced plastics has been used increasingly to create different high-performance products for lightweight applications. This paper presents the development of an adaptive morphing wing based on fiber-reinforced plastics with shape memory alloys integrated into the reinforcing fabrics. Two types of preforms with varying numbers of integrated weft yarns in shape memory alloys were manufactured for a wing structure on a weaving machine using the pleated woven fabric technology. Subsequently, the realized preforms were infiltrated by a thermoset matrix and characterized mechanically to derive a preferred variant. After developing the adaptive morphing wing, its deformation behavior was characterized by varying current flow and time through shape memory alloys. Results revealed that maximum deformation of the investigated adaptive morphing wing was achieved at a current flow and time of 1 A and 60 s, respectively.

The growing demand for fiber-reinforced plastics for different high-tech lightweight applications requires their consistent and continuous development with a high functional density. The integration of actuator-like materials for developing adaptive reinforced fabrics can increase the market value of fiber-reinforced plastics. This paper reports on the development of adaptive pleated woven fabrics based on shape memory alloys using weaving technology. For the development of these fabrics, a systematic weave pattern was generated. Adaptive pleated woven fabrics were manufactured on a rapier weaving machine with a jacquard unit. By varying the pleat thickness, pleat width and the spacing between two pleats, eight types of adaptive pleated woven fabrics were developed, and their weaving-technical implementation for the subsequent infusion was evaluated. The flexural modulus of infused adaptive pleated woven fabrics was characterized by bending. Experimental results showed that the spacing between two pleats predominantly influences the flexural modulus of impregnated adaptive pleated woven fabrics.

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