Abstract
A tracking and recognizing algorithm is proposed to automatically generate irregular cross-sections and central path of braid yarn within the 3D braided composites by using sets of high resolution tomography images. Only the initial cross-sections of braid yarns in a tomography image after treatment are required to be calibrated manually as searching cross-section template. The virtual geometry of 3D braided composites including some detailed geometry information, such as the braid yarn squeezing deformation, braid yarn distortion and braid yarn path deviation etc., can be reconstructed. The reconstructed geometry model can reflect the change of braid configurations during solidification process. The geometry configurations and mechanical properties of the braided composites are analyzed by using the reconstructed geometry model.
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Acknowledgements
This work was supported by the National Natural Science Foundation of China (Grant Nos. 11672089, 11325210 and 11421091); the Fundamental Research Funds for the Central Universities (Grant No. HIT.NSRIF.2017017).
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Fang, G., Chen, C., Yuan, S. et al. Micro-tomography based Geometry Modeling of Three-Dimensional Braided Composites. Appl Compos Mater 25, 469–483 (2018). https://doi.org/10.1007/s10443-017-9630-8
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DOI: https://doi.org/10.1007/s10443-017-9630-8