Solution Chemistry in Crevices on Fe-Cr Binary Alloys

Abstract

The major cation concentrations and pH's were measured in crevices on Fe-Cr alloys under potentiostatic conditions in the laboratory and on larger commercial steel specimens freely corroding in natural seawater. Crevice solutions were analyzed by thin-layer chromatography. The ratio of the cations in the crevice solutions was not equal to the ratio of the metals in the alloys; the ionic concentrations in the crevice solutions were determined, to a very large extent, by transport phenomena between the crevice and bulk solutions.

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Document Details

Document Type
Technical Report
Publication Date
Mar 21, 1974
Accession Number
AD0778002

Entities

People

  • C. T. Fujii
  • F. D. Bogar

Organizations

  • United States Naval Research Laboratory

Tags

DTIC Thesaurus Topics

  • Acid-Base Indicators
  • Alloys
  • Binary Alloys
  • Chemical Analysis
  • Chemical Synthesis
  • Chemistry
  • Chromium
  • Hydrolysis
  • Hydroxides
  • Litmus Tests
  • Materials
  • Measurement
  • Metals
  • Stainless Steel
  • Steady State
  • Stress Corrosion
  • Transport Ships

Readers

  • Electrochemical Engineering/ Fuel Cell Technologies
  • Surface Engineering/Surface Coating Technology.