Electrochemical and metallographic evaluation of alloys C-22 and 625

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Description

Electrochemical cyclic potentiodynamic polarization (CPP) experiments were performed on Alloys C-22 and 625 to evaluate their susceptibility to localized corrosion in acidic brines of various salt content at 90{degrees}C. The microstructures of both tested and untested specimen`s were evaluated by optical microscopy. This paper presents the results showing the effect of chloride ion concentration on the pitting and crevice corrosion behavior of these alloys, and the relationship of the observed microstructures to the resulting surface degradation modes.

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13 p.

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Roy, A. K.; Fleming, D. L. & Lum, B. Y. May 1, 1997.

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Description

Electrochemical cyclic potentiodynamic polarization (CPP) experiments were performed on Alloys C-22 and 625 to evaluate their susceptibility to localized corrosion in acidic brines of various salt content at 90{degrees}C. The microstructures of both tested and untested specimen`s were evaluated by optical microscopy. This paper presents the results showing the effect of chloride ion concentration on the pitting and crevice corrosion behavior of these alloys, and the relationship of the observed microstructures to the resulting surface degradation modes.

Physical Description

13 p.

Notes

OSTI as DE98051039

Other: FDE: PDF; PL:

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  • Other Information: PBD: 1 May 1997

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  • Other: DE98051039
  • Report No.: UCRL-ID--127355
  • Grant Number: W-7405-ENG-48
  • DOI: 10.2172/576007 | External Link
  • Office of Scientific & Technical Information Report Number: 576007
  • Archival Resource Key: ark:/67531/metadc696609

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  • May 1, 1997

Added to The UNT Digital Library

  • Aug. 14, 2015, 8:43 a.m.

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  • April 10, 2017, 1:21 p.m.

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Roy, A. K.; Fleming, D. L. & Lum, B. Y. Electrochemical and metallographic evaluation of alloys C-22 and 625, report, May 1, 1997; California. (digital.library.unt.edu/ark:/67531/metadc696609/: accessed September 24, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.