ZIRCONIUM HIGHLIGHTS
Technical Report
·
OSTI ID:4277988
An investigation was initiated to determine thc hydrogcn pickup behavior of Zircaloy-2 during aqueous corrosion to determine whcthcr the removal of Ni from Zircaloy-2 would result in a reduction in the:imount of hydrogen pickup and to evaluate the- eorrosion behavior of Ni-frcc Zircaloy-2 in high-tcmpcriiturc watcr ofind steam. An investigation is being conduetcd to determine thc effects of oxygen content varying from l00 to l0,000 ppm on the corrosion, mcchanical, transformation,and fabrication charactcristics of vacuum-melted Zircaloy2. An investigation was initiatcd to determine thc dcgree of contamination which would occur during welding of Zircaloy-2 with W, C, and Zr el. -trodes in air, in air with a He shield, and in a vacuum-tight box evacuted to 0.03 microns and back- filled with one atmospherc of Hc. Tensile test dath are reported for vacuum- meltcd Zircaloy-2 ingot strip at room tempcrature and 600 F. A study of the effects of machining variables on the corrosion rcsistofinee of Zircaloy-2 surfaees was conducted. The effcct of oxygen on the precipitation of ZrFe/sub 2/ in Zr- Fe-Sn ternary alloys was determined during studies of thc Sn- Fe- Zr ternary system with oxygen levels of 0.05, 0.l, find 0.l5%. (For prcceding period sec WAPD-ZH-l4.) (W.L.H.)
- Research Organization:
- Westinghouse Electric Corp. Bettis Plant, Pittsburgh
- DOE Contract Number:
- AT(11-1)-GEN-14
- NSA Number:
- NSA-13-011193
- OSTI ID:
- 4277988
- Report Number(s):
- WAPD-ZH-15
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
ADSORPTION
AIR
CARBON
CONTAMINATION
CORROSION
ELECTRODES
FABRICATION
HELIUM
HYDROGEN
INERT GASES
INTERMETALLIC COMPOUNDS
IRON ALLOYS
MACHINING
MATERIALS TESTING
MECHANICAL PROPERTIES
MELTING
METALLURGY AND CERAMICS
NICKEL
OXYGEN
PHASE DIAGRAMS
PRECIPITATION
PRESSURE VESSELS
SHEETS
STEAM
SURFACES
TEMPERATURE
TENSILE PROPERTIES
THICKNESS
TIN ALLOYS
TRACE AMOUNTS
TUNGSTEN
VACUUM
WATER
WELDING
ZIRCALOY
ZIRCONIUM
ZIRCONIUM ALLOYS
AIR
CARBON
CONTAMINATION
CORROSION
ELECTRODES
FABRICATION
HELIUM
HYDROGEN
INERT GASES
INTERMETALLIC COMPOUNDS
IRON ALLOYS
MACHINING
MATERIALS TESTING
MECHANICAL PROPERTIES
MELTING
METALLURGY AND CERAMICS
NICKEL
OXYGEN
PHASE DIAGRAMS
PRECIPITATION
PRESSURE VESSELS
SHEETS
STEAM
SURFACES
TEMPERATURE
TENSILE PROPERTIES
THICKNESS
TIN ALLOYS
TRACE AMOUNTS
TUNGSTEN
VACUUM
WATER
WELDING
ZIRCALOY
ZIRCONIUM
ZIRCONIUM ALLOYS