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Detection of Subsurface Defects Using X-Ray Lateral Migration Radiography - A New Backscatter Imaging Technique

Description: A new Compton X-ray backscatter imaging technique called lateral migration radiography (LMR) is applied to detecting a class of sub-surface defects in materials and structures of industrial importance. These include flaws and defects for which there is either no known method or an effective method for detection. Examples are delamination in layered composite structures, defects in deposited coatings on metal surfaces such as in aircraft jet engine components and geometrical structural/compositi… more
Date: February 10, 2003
Creator: Dugan, Edward T. & Jacobs, Alan M.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Resistance Weld Qualification Analysis for Radioactive Waste Canisters

Description: High level radioactive waste canisters are sealed by resistance upset welding to ensure leak tight closures. Resistance welding is fast, uniform, and can be performed remotely to minimize radiation exposure to the operators. Canisters are constructed in accordance with ASME Band PV Code, Section VIII, Division 1, however, the resistance welds are not used in Section VIII. The resistance welds are qualified by analysis using material properties obtained from the test coupons. Burst tests are per… more
Date: January 10, 1995
Creator: Gupta, N.K. & Gong, C.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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