The Corrosion of Zirconium Alloys in 900°F Steam
- Nuclear Metals, Inc., Cambridge, MA (United States)
Steam at 900°F is a very corrosive medium for zirconium alloys. Zircaloy-2 and Zircaloy-3 have poor resistance at this temperature. The presence of tin is highly detrimental to the corrosion resistance of zirconium alloys. Additions of nickel, chromium, and to a lesser extent, iron extend the life of zirconium-base alloys to as long as sixty days before spalling commences. Quenching from the beta phase impairs the corrosion resistance of nickel and chromium alloys and extends the life of iron alloys and the Zircaloys. In general, a pre-treatment of 10 days in 680°F water has no effect on the corrosion resistance of the alloys tested.
- Research Organization:
- Nuclear Metals, Inc., Cambridge, MA (United States)
- Sponsoring Organization:
- US Atomic Energy Commission (AEC)
- NSA Number:
- NSA-13-000760
- OSTI ID:
- 4288730
- Report Number(s):
- NMI--1208
- Country of Publication:
- United States
- Language:
- English
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