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- Title
Extracting Quantitative Data from Partly Revealed Anisotropic Microstructures as Applied to Zirconium Tubes.
- Authors
Lagacé, M.; Rodrigue, L.; Hovington, P.; Trudeau, M. L.
- Abstract
Pressure tubes holding the uranium rods of a CANDU (CANada Deuterium Uranium) reactor show deformation with time in service. At a certain point, this deformation becomes too severe and the tubes must be decommissioned. This reduces the reactor's energy output. It has been observed that the microstructure of the pressure tubes is indicative of creep behavior. This paper presents the image analysis procedure used to characterize the level of anisotropy and the m-phase dimension of the Zr-2.5Nb alloy used in pressure tubes. The techniques used to evaluate experimental error and to correct for sampling bias are also explained.
- Subjects
URANIUM; DEFORMATIONS (Mechanics); MICROSTRUCTURE; MATERIALS; ZIRCONIUM; TUBES
- Publication
JOM: The Journal of The Minerals, Metals & Materials Society (TMS), 2008, Vol 60, Issue 4, p17
- ISSN
1047-4838
- Publication type
Article