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The Galvanic Corrosion of Aluminum-Stainless Steel and Aluminum-Graphite Couples as a Function of Water Composition and Temperature

Technical Report ·
DOI:https://doi.org/10.2172/1399690· OSTI ID:1399690
 [1];  [1]
  1. North American Aviation, Inc., Canoga Park, CA (United States)
Experiments on galvanic corrosion of aluminum when coupled to stainless steel or graphite are described. Observations of static corrosion, at 50° C and 90° C, were made over a period of 60 days for the cases of distilled, demineralized, and simulated Hanford process water, both with and without 0.005M H2O2. The rate of aluminum pick-up by the water ranged from 0.0016 to 0.07 mg/cm2/day at 50° C and from 0.007 to 0.11 mg/cm2/day at 90° C, and the corrosion rate increased with time. Pit depths varied from 0 to 5 mils after 2 months in distilled or demineralized water and from 20 to 40 mils in simulated Hanford water.
Research Organization:
North American Aviation, Inc., Canoga Park, CA (United States)
Sponsoring Organization:
US Atomic Energy Commission (AEC)
DOE Contract Number:
AT(11-1)-GEN-8
OSTI ID:
1399690
Report Number(s):
NAA-SR--133
Country of Publication:
United States
Language:
English

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