Computed radiography

Daniel A. Wysnewski; Roy E. Wysnewski

doi:10.1117/12.213525

Abstract

Computed radiography incorporates innovative phosphor technology and scanning laser stimulated luminescence to convert X- or gamma- radiation into a digital file that can be arranged and viewed like a radiograph on a computer display. This relatively new approach to radiography represents a more affordable and practical alternative to film as an imaging process for some nondestructive inspection applications. This presentation describes the computed radiography (CR) `process' with special emphasis focused on the CR phosphor. The similarities and specific advantages that the CR process has over a film based system are presented. CR has been identified to be more practical and affordable than either film radiography or ultrasound in five aerospace NDT applications. Laboratory evaluations of these applications are discussed.

Citation Download Citation

Daniel A. Wysnewski and Roy E. Wysnewski "Computed radiography", Proc. SPIE 2455, Nondestructive Evaluation of Aging Aircraft, Airports, Aerospace Hardware, and Materials, (7 July 1995); doi: 10.1117/12.213525; https://doi.org/10.1117/12.213525

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