SEDL / STP / STP223-EB / STP42005S

Nondestructive Bond Inspection Test by Electric Resistance Measurement for Complete Flat-Plate Fuel Element Subassemblies

Weaver, C. V.
Battelle Memorial Inst., Columbus, Ohio

Goldthwaite, W. H.
Battelle Memorial Inst., Columbus, Ohio

Fawcett, S. L.
Battelle Memorial Inst., Columbus, Ohio

Dayton, R. W.
Battelle Memorial Inst., Columbus, Ohio

Pages: 8    Published: Jan 1958

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Abstract

As part of a Westinghouse Atomic Power Division (WAPD) program, a study was made of methods by which nondestructive inspections of the core-to-clad bonds in completed, flat-plate fuel assemblies could be made. Normally, these inspections are made on single fuel elements by frost testing or ultrasonic methods. However, none of these techniques, as usually applied, could be used on complete subassemblies because they are not usable in long thin passages. Therefore, it was necessary to develop a new inspection method.