United States Nuclear Regulatory Commission - Protecting People and the Environment

Proceedings of the U.S. NRC/EPRI/ANL Heated Crevice Seminar: Held at Argonne National Laboratory, October 7–11, 2002 (NUREG/CP-0189, EPRI 1009355, ANL-03/24)

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Publication Information

Manuscript Completed: August 2003
Date Published:
February 2005

Proceedings Prepared by:
Jangyul Park/ANL, Keith Fruzzetti/EPRI, Joseph Muscara/NRC, Dwight R. Diercks/ANL

Argonne National Laboratory (ANL)
9700 South Cass Avenue
Argonne, IL 60439

Electric Power Research Institute (EPRI)
3412 Hillview Avenue
Palo Alto, CA 94304

Division of Engineering Technology
Office of Nuclear Regulatory Research
U.S. Nuclear Regulatory Commission (NRC)
Washington, DC 20555-0001

J. Davis, NRC Project Manager

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Abstract

An international Heated Crevice Seminar, sponsored by the Division of Engineering Technology, Office of Nuclear Regulatory Research, U.S. Nuclear Regulatory Commission, Argonne National Laboratory, and the Electric Power Research Institute, was held at Argonne National Laboratory on October 7-11, 2002. The objective of the seminar was to provide a working forum for the exchange of information by contributing experts on current issues related to corrosion in heated crevices, particularly as it relates to the integrity of PWR steam generator tubes. Forty-five persons from six countries attended the seminar, including representatives from government agencies, private industry and consultants, government research laboratories, nuclear vendors, and electrical utilities.

The seminar opened with keynote talks on secondary-side crevice environments associated with IGA and IGSCC of mill-annealed Alloy 600 steam generator tubes and the submodes of corrosion in heat transfer crevices. This was followed by technical sessions on (1) Corrosion in Crevice Geometries, (2) Experimental Methods, (3) Results from Experimental Studies, and (4) Modeling. The seminar concluded with a panel discussion on the present understanding of corrosive processes in heated crevices and future research needs.

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