Abstract

The application of short fiber reinforced polymer composites (SFRC) has the potential to decrease weight, while maintaining high mechanical properties. Like all other manufacturing techniques, the use of injection molding process for manufacturing of SFRC is likely to produce defects and uncertainties in the final part. In this paper, we investigate the use of x-ray tomography coupled with digital image processing techniques to probe the material microstructure of SFRC. We adopt a 2D approach as the primary means of metadata extraction. The extracted metadata is then used as input for an iterative correlation procedure, ultimately resulting in 3D fiber reconstruction. Finally, the reconstructed fibers are post-processed for mean fiber length and mean fiber orientation measurements, properties that have been known to critically affect mechanical properties.

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