Summary Report of Cable Aging and Performance Data for Fiscal Year 2014

Technical Report · Mon Sep 01 04:00:00 EDT 2014

DOI:https://doi.org/10.2172/1158665· OSTI ID:1158665

Celina, Mathias C. ^[1]; Redline, Erica Marie ^[1]; Bernstein, Robert ^[1]; Quintana, Adam ^[1]; Giron, Nicholas Henry ^[1]; White II, Gregory Von ^[1]

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1. Sandia National Laboratories (SNL-NM), Albuquerque, NM (United States)

As part of the Light Water Reactor Sustainability Program, science - based engineering approaches were employed to address cable degradation behavior under a range of exposure environments. Experiments were conducted with the goal to provide best guidance for aged material states, remaining life and expected performance under specific conditions for a range of cable materials. Generic engineering tests, which focus on rapid accelerated aging and tensile elongation, were combined with complementary methods from polymer degradation science. Sandia's approach, building on previous years' efforts, enabled the generation of some of the necessary data supporting the development of improved lifetime predictions models, which incorporate known material behaviors and feedback from field - returned 'aged' cable materials. Oxidation rate measurements have provided access to material behavior under low dose rate thermal conditions, where slow degradation is not apparent in mechanical property changes. Such data have shown aging kinetics consistent with established radiation - thermal degradation models.

• Research Organization: Sandia National Laboratories (SNL-NM), Albuquerque, NM (United States)
• Sponsoring Organization: USDOE Office of Nuclear Energy (NE)
• DOE Contract Number: AC04-94AL85000
• OSTI ID: 1158665
• Report Number(s): SAND--2014-17779; 537620
• Country of Publication: United States
• Language: English