Abstract
Auxetic fabrics have many potential applications in technical textiles. Auxetic 3D warp-knitted spacer fabric can be produced by adoption of some special geometrical configuration. Characterization of the geometrical configurations is of vital significance to understand their auxetic property. In this paper, a typical 3D auxetic warp-knitted spacer fabric was studied by synchrotron radiation x-ray computed tomography (SR-CT). Fiber distribution in the fabric was clearly obtained and different types of yarn were extracted separatively. 3D image reconstructed by synchrotron radiation X-ray computed tomography was consistent with the designed geometrical configuration. Besides, 3D model reconstructed lays the foundation for further numerical analysis by FEA.
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Acknowledgements
The authors would like to thank the staff in X-ray imaging and biomedical application beamline (BL13W1) at Shanghai Synchrotron Radiation Facility for their supports in the experiment. This research was funded by the Open Project Program of Key Laboratory of Eco-textiles, Ministry of Education, Jiangnan University (No. KLET1710).
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Gao, Y., Ma, P., Li, K. et al. Characterization of a 3D Auxetic Warp-knitted Spacer Fabric by Synchrotron Radiation X-ray Computed Tomography. Fibers Polym 21, 930–933 (2020). https://doi.org/10.1007/s12221-020-9763-5
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DOI: https://doi.org/10.1007/s12221-020-9763-5