1. Non-destructive analysis of flake properties in automotive paints with full-field optical coherence tomography and 3D segmentation

    Non-destructive analysis of flake properties in automotive paints with full-field optical coherence tomography and 3D segmentation

    Automotive coating systems are designed to protect vehicle bodies from corrosion and enhance their aesthetic value. The number, size and orientation of small metallic flakes in the base coat of the paint has a significant effect on the appearance of automotive bodies. It is important for quality assurance (QA) to be able to measure the properties of these small flakes, which are approximately 10 μm in radius, yet current QA techniques are limited to measuring layer thickness. We design and develop a time-domain (TD) full-field (FF) optical coherence tomography (OCT) system to scan automotive panels volumetrically, non-destructively and without contact ...

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