Corrosion Study for Waste Tanks to High and Salt Concentration Conditions

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Description

During salt dissolution, waste compositions may reach temperature and nitrate concentrations not covered by the present technical standards. Stress corrosion cracking (SCC) is a possible degradation mechanism of waste tank steels. Accelerated electrochemical tests were performed to identify potential ranges where SCC could occur for ASTM A537 and A285 plain carbon steels. The results showed that the only probable potential range for SCC would be that for the normal oxide state (-0.200 to -0.400 V). Possible oxide instability was also identified for the range of 0.000 to 0.200 V. These ranges will be used for the planned slow strain rate ... continued below

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16 p.

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Mickalonis, J. I. March 10, 1995.

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Description

During salt dissolution, waste compositions may reach temperature and nitrate concentrations not covered by the present technical standards. Stress corrosion cracking (SCC) is a possible degradation mechanism of waste tank steels. Accelerated electrochemical tests were performed to identify potential ranges where SCC could occur for ASTM A537 and A285 plain carbon steels. The results showed that the only probable potential range for SCC would be that for the normal oxide state (-0.200 to -0.400 V). Possible oxide instability was also identified for the range of 0.000 to 0.200 V. These ranges will be used for the planned slow strain rate test to determine SCC susceptibility.

Physical Description

16 p.

Notes

OSTI as DE95060115

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  • Other Information: PBD: 10 Mar 1995

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  • Other: DE95060115
  • Report No.: WSRC-TR--95-0116
  • Grant Number: AC09-89SR18035
  • DOI: 10.2172/64811 | External Link
  • Office of Scientific & Technical Information Report Number: 64811
  • Archival Resource Key: ark:/67531/metadc706207

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  • March 10, 1995

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  • Sept. 12, 2015, 6:31 a.m.

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  • Feb. 9, 2016, 8:04 p.m.

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Mickalonis, J. I. Corrosion Study for Waste Tanks to High and Salt Concentration Conditions, report, March 10, 1995; Aiken, South Carolina. (digital.library.unt.edu/ark:/67531/metadc706207/: accessed September 21, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.