TRANSITIONS IN ELECTROCHEMICAL NOISE DURING PITTING CORROSION OF ALUMINUM IN CHLORIDE ENVIRONMENTS.

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Description

Aluminum, in a chloride containing solutions close to its pitting potential, shows vigorous fluctuations in current and potential. Measurements have been made of the freely corroding potential, and the currents between interconnected electrodes. It is shown that there is a transition in the behavior of the transients. The transition occurs when multiple active pits are present and electrochemical communication occurs between them. The major source of current and potential transients is the growth process in the active pits rather than meta-stable pitting at the passive surface.

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7 pages

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SASAKI,K.; ISAACS,H.S. & LEVY,P.W. September 2, 2001.

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Description

Aluminum, in a chloride containing solutions close to its pitting potential, shows vigorous fluctuations in current and potential. Measurements have been made of the freely corroding potential, and the currents between interconnected electrodes. It is shown that there is a transition in the behavior of the transients. The transition occurs when multiple active pits are present and electrochemical communication occurs between them. The major source of current and potential transients is the growth process in the active pits rather than meta-stable pitting at the passive surface.

Physical Description

7 pages

Notes

OSTI as DE00789436

Source

  • 200TH MEETING OF THE ELECTROCHEMICAL SOCIETY, INC. AND THE 52ND MEETING OF THE INTERNATIONAL SOCIETY OF ELECTROCHEMISTRY, SAN FRANCISCO, CA (US), 09/02/2001--09/07/2001

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  • Report No.: BNL--68739
  • Report No.: KC0201020
  • Grant Number: AC02-98CH10886
  • Office of Scientific & Technical Information Report Number: 789436
  • Archival Resource Key: ark:/67531/metadc724187

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Office of Scientific & Technical Information Technical Reports

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  • September 2, 2001

Added to The UNT Digital Library

  • Sept. 29, 2015, 5:31 a.m.

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  • Nov. 7, 2016, 3:47 p.m.

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SASAKI,K.; ISAACS,H.S. & LEVY,P.W. TRANSITIONS IN ELECTROCHEMICAL NOISE DURING PITTING CORROSION OF ALUMINUM IN CHLORIDE ENVIRONMENTS., article, September 2, 2001; Upton, New York. (digital.library.unt.edu/ark:/67531/metadc724187/: accessed November 21, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.