Evidence for the reduction of sulfates under representative SG secondary side conditions, and for the role of reduced sulfates on alloy 600 tubing degradation

Proceedings of the Ninth International Symposium on Environmental Degradation of Materials in Nuclear Power Systems - Water Reactors -

Volumn , Issue , 1999, Pages 567-575

  Daret, Jacques ^a   Cassagne, Thierry ^a   Lefèvre, Yves ^a   Tran, T Q ^a   Benoit, Roland ^b   Erre, René ^b  

^a DIF   (France)

^b CNRS   (France)

Author keywords

[No Author keywords available]

Indexed keywords

CORROSION; ENERGY DISPERSIVE SPECTROSCOPY; FILMS; HYDRAZINE; OXIDES; PH EFFECTS; PRESSURIZED WATER REACTORS; STEAM; SULFUR COMPOUNDS; TUBES (COMPONENTS); X RAY PHOTOELECTRON SPECTROSCOPY;

SECONDARY SIDE CONDITIONS; SULFATES; SULFIDES; THIOSULFATES;

STEAM GENERATORS;

EID: 0033489457     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1002/9781118787618.ch59     Document Type: Conference Paper

References (12)

1. J. Daret, T. Cassagne, and Y. Lefèvre, "Secondary Side Degradation of Steam Generator Tubing: Which Inhibitors for Which Causes? A Review of Model Boiler Test Results", Eighth International Symposium on Environmental Degradation of Materials in Nuclear Power Systems - Water Reactors, (La Grange Park, Il., American Nuclear Society, 1997), 100-107.
2. T. Cassagne et al., CEA unpublished results, 1998.
3. J. Daret, Intergranular Attack of Alloy 600: Simulation Tests (EPRI NP-4053, June 1985), 2.1-2.7.
4. J. Daret, "IGA/IGSCC in Non-Caustic Waters. CEA Experience" (Paper presented at the EPRI Meeting on IGC of Alloy 600 in Acidic or Lead Containing Waters, Pittsburgh, Pennsylvania, July 31-August 1, 1989).
5. J. Daret, Inhibition of IGA/SCC on Alloy 600 Surfaces Exposed to PWR Secondary Water, (EPRI TR-106212-V1, December 1997), 3.8-3.32.
6. W. E. Allmon, "Reduction of sulfates by hydrazine" (Paper presented at the EPRI Workshop on the Role of Sulfur Species on the Degradation of Alloy 600 and Similar Alloys, Baltimore, Maryland, 17-18 October 1985).
7. B. Sala et al., "Chemistry of Sulfur in High Temperature Water. Reduction of Sulfates." Fifth International Symposium on Environmental Degradation of Materials in Nuclear Power Systems - Water Reactors, (La Grange Park, Il., American Nuclear Society, 1991), 502-510.
8. T. Sakai et al., "Effect of reduced Sulfur on High temperature Aqueous Corrosion for alloy 600", Fourth International Symposium on Environmental Degradation of Materials in Nuclear Power Systems - Water Reactors, (Houston, TX, National Association of Corrosion Engineers, 1989), 12-37-12-49.
9. J. B. Lumsden and P. J. Stocker, "The relationship between surface Oxide Compositions and the Chemistries in Steam Generator Crevices", Fourth International Symposium on Environmental Degradation of Materials in Nuclear Power Systems - Water Reactors, (Houston, TX, National Association of Corrosion Engineers, 1989), 6-38-6-51.
10. A. J. Baum, "Research Priorities in Thermal Hydraulics" (Paper presented at the Meeting on Control of Corrosion on the Secondary Side of Steam Generators, Airlie, Virginia, 9-13 October 1995), 36.
11. 4 on the ECP in high temperature water" Fifth International Symposium on Environmental Degradation of Materials in Nuclear Power Systems - Water Reactors, (La Grange Park, Il., American Nuclear Society, 1991), 96-105.
12. I. Ohsaki et al., "Study of the Improvement of Steam Generator Tubing and Tube Support Plate Materials" (Paper presented at the 2nd International Steam Generator and Heat Exchanger Conference, Toronto, Canada, June 1994).