KINETICS OF PITTING CORROSION IN GELS.

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An investigation has been carried out on stainless steel to determine the important parameters that related the changes in pH around pits to the current coming from the pits. Potentiodynamic measurements at 1 mV/s were made on Type 302 stainless steel in agar containing 1M NaCl and a wide range pH indicator. Many pits suddenly appeared at the pitting potential, as indicated by the red, low pH region around the pits. Simulations of the changes in pH were based on diffusion from a point current source. The results also were considered in terms of the effects of a minimum detectable ... continued below

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7 pages

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ISAACS, H.S. & ADZIC, G. October 22, 2000.

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Description

An investigation has been carried out on stainless steel to determine the important parameters that related the changes in pH around pits to the current coming from the pits. Potentiodynamic measurements at 1 mV/s were made on Type 302 stainless steel in agar containing 1M NaCl and a wide range pH indicator. Many pits suddenly appeared at the pitting potential, as indicated by the red, low pH region around the pits. Simulations of the changes in pH were based on diffusion from a point current source. The results also were considered in terms of the effects of a minimum detectable thickness of pH change within the gel.

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7 pages

Notes

OSTI as DE00785044

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  • THE ELECTROCHEMICAL SOCIETY MEETING, PROCEEDINGS OF THE INTERNATIONAL SYMPOSIUM ON PITS AND PORES II: FORMATION, PROPERTIES AND SIGNIFICANCE FOR ADVANCED MATERIALS, PHOENIX, AZ (US), 10/22/2000--10/27/2000

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  • Report No.: BNL--67574
  • Report No.: KC0201020
  • Grant Number: AC02-98CH10886
  • Office of Scientific & Technical Information Report Number: 785044
  • Archival Resource Key: ark:/67531/metadc716779

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Office of Scientific & Technical Information Technical Reports

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  • October 22, 2000

Added to The UNT Digital Library

  • Sept. 29, 2015, 5:31 a.m.

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  • Nov. 9, 2015, 8:05 p.m.

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ISAACS, H.S. & ADZIC, G. KINETICS OF PITTING CORROSION IN GELS., article, October 22, 2000; Upton, New York. (digital.library.unt.edu/ark:/67531/metadc716779/: accessed August 16, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.