Interim report No. 1 on Production Test 105-407-P -- Pile test of magnesium front dummies

Technical Report · Tue Dec 18 04:00:00 EST 1951

DOI:https://doi.org/10.2172/10126529· OSTI ID:10126529

Lewis, M; Goldsmith, S

The inlet portions of pile process tubes, which originally contained a pattern of aluminum dummy slugs, have been reported subject to pitting corrosion since the removal of the slugs. This corrosion is more severe than that found in the other portions of the tubes. The insertion of magnesium dummy slugs has been recommended to arrest this corrosion. A pile test of the effect of magnesium dummies is in progress and preliminary results are reported. Current-voltage relationships between magnesium and aluminum have been found to be satisfactory. A study of previously reported data on front tube corrosion has been made. It is concluded that the overall corrosion of the tubes is low, but that pitting is occurring in the inlet portion. This pitting is not necessarily the result of removal of the front dummy pattern. Magnesium dummies, when tested, were found safe for the aluminum tubes, but no data were obtained as to their ability to protect the aluminum. The tubes are not considered to be in imminent danger of failure, and if a dummy pattern is inserted it will probably result in a small production loss.

• Research Organization: General Electric Co., Richland, WA (United States). Nucleonics Div.
• Sponsoring Organization: USDOE, Washington, DC (United States)
• DOE Contract Number: AC06-76RL01830
• OSTI ID: 10126529
• Report Number(s): HW--23082; ON: DE93006700
• Country of Publication: United States
• Language: English

Related Subjects

22 GENERAL STUDIES OF NUCLEAR REACTORS
220600
36 MATERIALS SCIENCE
360105
ALUMINIUM
CORROSION AND EROSION
CORROSION PRODUCTS
CORROSION PROTECTION
ELECTROCHEMISTRY
FUEL RODS
HANFORD PRODUCTION REACTORS
MAGNESIUM
PITTING CORROSION
REACTOR CHANNELS
RESEARCH
TEST
TRAINING
PRODUCTION
IRRADIATION
MATERIALS TESTING REACTORS