We have outlined the importance of non-destructive testing (NDT) for defect detection and dimensional measurements of automotive components. Several NDT techniques are in use in the automotive supply industry to achieve zero defect quality. For the observation of hidden or complex geometries or defects in such components, X-ray tomography appears to be well suited as a measurement tool. However, cost, speed and accuracy of X-ray CT have up to now impeded its widespread use. We have shown, using fuel injectors as an example, that comparatively fast CT measurements with sub-micron resolution are possible using commercially available CT-components and have demonstrated a mini-CT system aiming at in-line applications of X-ray CT. Presently, the brilliance of X-ray sources appears to be the bottleneck for a significant increase in the speed of CT measurements. We conjecture that a significant increase in the application of CT-systems in the automotive industry is at hand, once X-ray sources with high brilliance and more cost effective custom designed and modular systems are commercially available.
Non-destructive testing in the automotive supply industry. Requirements, trends and examples using X-ray CT
Zerstörungsfreie Prüfung in der Automobil-Zulieferindustrie. Beschränkungen, Trends und Beispiele im Einsatz der Röntgen-Computertomographie
2006
10 Seiten, 9 Bilder, 17 Quellen
Aufsatz (Konferenz)
Datenträger
Englisch
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