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Defect detection in glass fabric reinforced thermoplastics by laboratory-based X-ray scattering by Özgul Öztürk; Rolf Brönnimann; Peter Modregger is a Engineering article available to read on EtoBox.

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Glass fabric reinforced thermoplastic (GFRT) constitutes a class of composite materials that are especially suited for automobile construction due to their combination of low weight, ease of production and mechanical properties. However, in the manufacturing process, during forming of prefabricated laminates, defects in the glass fabric as well as in the polymer matrix can occur, which may compromise the safety or the lifetime of components. Thus, the detection of defects in GFRTs for production monitoring and a deep understanding of defect formation/evolution is essential for mass production. Here, we experimentally demonstrate that local fiber shifts in the fabric, a type of defect difficult to image with other techniques, can be detected reliably by X-ray scattering based on the edge-illumination principle. This implies applications for research on mechanism of defect formation as well as for industrial application in production monitoring.

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Author

Özgul Öztürk; Rolf Brönnimann; Peter Modregger

Publisher

Elsevier BV

Published

2023

Language

EN

Field

Engineering (Physical Sciences)