The x-ray radiography is a mandatory NDT method for qualification of propulsion system components and assemblies to ensure structural integrity with zero defects. The major development in conventional film radiography is digitization of x-ray films, followed by radiographic image processing and quantitative evaluation to enable accept/ reject decisions. An LS85 Kodak film digitizer is used for digitization and analysis. Performance evaluation of this system with reference to current standards and a case study for estimating depth of defect are discussed. The next major development is film less amorphous Silicon based flat panel system with pulsed x ray source The Fax Rayzor flat panel system is being used for various space applications. This performance evaluation of this system and two case studies to measure the gap between the vanes and hemisphere and Electron beam impingement analysis are discussed in this paper.
Digital radiography systems techniques and performance evaluation for space applications
Systemtechnik zur digitalen Radiographie und Leistungsbewertung für Raumfahrtanwendungen
2009
5 Seiten, 9 Bilder, 1 Tabelle, 5 Quellen
Conference paper
English
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