CORROSION RESISTANCE OF IMPROVED ZIRCONIUM ALLOYS IN HIGH-TEMPERATURE STEAM
Technical Report
·
OSTI ID:4102178
The corrosion behavior of zirconium alloys is being investigated in superheated steam. Corrosion rates, oxide layers, and hydrogen embrittlement are studied. It was found that Zr--Nb alloys with about 0.5 to 2.5% Nb are considerably more corrosion resistant in steam above 400 deg C than Zircaloy-2 and Zircaloy-4. The corrosion rates of binary Zr--Nb alloys in the range of 0.5 to 1% Nb could be lowered to a general extent by several ternary alloying elements. The effectiveness of a ternary alloy was found to depend on the concentration level in some cases. (M.C.G.)
- Research Organization:
- Siemens-Schuckertwerke A.G., Erlangen, Germany
- NSA Number:
- NSA-18-012578
- OSTI ID:
- 4102178
- Report Number(s):
- GEAP-4089(Vol.I)(Paper 7)
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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