CORROSION OF ZIRCONIUM-URANIUM ALLOYS
Technical Report
·
OSTI ID:4326400
The following tentative conclusions relating to the corrosion behavior of crystal bar base U--Zr alloys are givenc (1) The 10 and 20 wt.% U alloys exhibit weight gains when exposed to 600 deg F water provided the alloys are previously BETA -quenched; (2) The alloys containing 30 to 60 wt.% U exhibit weight losses when exposed to 600 deg F water, the corrosion rate increasing with increasing U content. Discontinuous failure occurs presumably when untransformed BETA phase is present in the microstructure. Highly variable results are obtained with the 60 wt.% U alloy. (3) The corrosion rate of the 50 wt.% U alloy having optimum heat treatment is approximately equal to that of the gamma -phase U--12 wt.% Mo alloy, but the 50 wt.% U alloy does not exhibit early discontinuous failure. (4) Further work is required to establish these tentative conclusions and to establish the effect of the use of sponge Zr as melting stock. (auth)
- Research Organization:
- Westinghouse Electric Corp. Atomic Power Div., Pittsburgh
- DOE Contract Number:
- AT(11-1)-GEN-14
- NSA Number:
- NSA-12-001962
- OSTI ID:
- 4326400
- Report Number(s):
- WAPD-MDM-24
- Country of Publication:
- United States
- Language:
- English
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