Abstract
The double-weave structure of a fabric allows for the use of different materials and weave structures for the upper and lower layer, which can be advantageous in the functionalization of 3D printed textiles. Therefore, the aim of this research was to investigate the influence of simple and double-weave structures on the adhesion of 3D printed fabrics. From this perspective, we investigated the influence of different twill derivates and weft densities on the adhesion force. We produced fabrics specifically for this study and printed them with a polylactic acid filament using Fused Deposition Modeling technology. The T-peel test was performed to measure the adhesion, and the results were statistically analyzed. A morphological study of the surfaces and cross-sections of the 3D printed fabrics helped us interpret the results. We found that adhesion was higher for double fabrics when printed with a smaller z-distance, where the molten polymer reached the lower layer of the fabric and adhered to it. The opposite was confirmed when printing with a larger z-distance, where adhesion was higher for simple fabrics. Both weave and density had a significant effect on adhesion in all cases. Surprisingly, different twill derivatives generally had a greater influence on adhesion than density.
Highlights
We have witnessed an expansion in the development of various technologies that open up new opportunities for interdisciplinary connections
We found that adhesion was higher for double fabrics when printed with a smaller z-distance, where the molten polymer reached the lower layer of the fabric and adhered to it
Three simple fabrics were designed in different twill weaves and with two different weft densities, and three double fabrics were designed in different double twill weaves and with two different weft densities, all using the CAD weaving program ArahWeave (Arahne d.o.o, Ljubljana, Slovenia)
Summary
We have witnessed an expansion in the development of various technologies that open up new opportunities for interdisciplinary connections. There are 3D printing technologies, which were initially used in the fashion industry, but are spreading to other areas of textile and apparel design and production [1]. Among its many applications in the field of textile production, such as printing flexible structures to replicate some textile properties with rigid materials [4] and printing textile-like structures with flexible materials, 3D printing directly on textiles is currently the most commonly used process [5]. For this process, the polymer-based AM technique Fused Deposition Modeling (FDM) is most commonly used
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