3 December 1993 Potential of computed tomography for inspection of aircraft components
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Abstract
Computed Tomography (CT) using penetrating radiation (x- or gamma-rays) can be used in a number of aircraft applications. This technique results in 3D volumetric attenuation data that is related to density and effective atomic number. CT is a transmission scanning method that must allow complete access to both sides of the object under inspection; the radiation source and detection systems must surround the object. This normally precludes the inspection of some large or planar (large aspect ratio) parts of the aircraft. However, we are pursuing recent limited-data techniques using object model information to obtain useful data from the partial information acquired. As illustrative examples, we describe how CT was instrumental in the analysis of particular aircraft components. These include fuselage panels, single crystal turbine blades, and aluminum-lithium composites.
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Stephen G. Azevedo, Stephen G. Azevedo, Harry E. Martz, Harry E. Martz, Daniel J. Schneberk, Daniel J. Schneberk, } "Potential of computed tomography for inspection of aircraft components", Proc. SPIE 2001, Nondestructive Inspection of Aging Aircraft, (3 December 1993); doi: 10.1117/12.163854; https://doi.org/10.1117/12.163854
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