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Investigation of severe pitting of slugs and tubes in the Hanford piles. Revision
During the summer of 1952 a series of leaking process tubes and badly pitted slugs was encountered in the Hanford piles. In August 1952, a program was initiated to determine the mechanism of the observed attack and to determine what corrective measures could be taken. Two suggested hypotheses, cavitation and erosion-corrosion, were considered the most practical explanations of the observed attack. Flow laboratory investigations of these hypotheses conclusively showed that erosion-corrosion in uninhibited process water was the cause of the excessive attack noted. The addition of an inhibitor, 2 ppM sodium dichromate, to the water resulted in the complete elimination of the erosion-corrosion attack on the aluminum slugs and tubes. 5 refs.
Investigation of severe pitting of slugs and tubes in the Hanford piles. Revision
During the summer of 1952 a series of leaking process tubes and badly pitted slugs was encountered in the Hanford piles. In August 1952, a program was initiated to determine the mechanism of the observed attack and to determine what corrective measures could be taken. Two suggested hypotheses, cavitation and erosion-corrosion, were considered the most practical explanations of the observed attack. Flow laboratory investigations of these hypotheses conclusively showed that erosion-corrosion in uninhibited process water was the cause of the excessive attack noted. The addition of an inhibitor, 2 ppM sodium dichromate, to the water resulted in the complete elimination of the erosion-corrosion attack on the aluminum slugs and tubes. 5 refs.
Investigation of severe pitting of slugs and tubes in the Hanford piles. Revision
C. D. Wilson (author)
1954
21 pages
Report
No indication
English
Severe pitting attack of pile process tubes and slugs
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