Alkaline oxide conversion coatings for aluminum alloys Metadata

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  • Main Title Alkaline oxide conversion coatings for aluminum alloys


  • Author: Buchheit, R.G.
    Creator Type: Personal


  • Sponsor: United States. Department of Energy.
    Contributor Type: Organization
    Contributor Info: USDOE, Washington, DC (United States)


  • Name: Sandia National Laboratories
    Place of Publication: Albuquerque, New Mexico
    Additional Info: Sandia National Labs., Albuquerque, NM (United States)


  • Creation: 1996-02-01


  • English


  • Content Description: Three related conversion coating methods are described that are based on film formation which occurs when aluminum alloys are exposed to alkaline Li salt solutions. Representative examples of the processing methods, resulting coating structure, composition and morphology are presented. The corrosion resistance of these coatings to aerated 0.5 M NaCl solution has been evaluated as a function of total processing time using electrochemical impedance spectroscopy (EIS). This evaluation shows that excellent corrosion resistance can be uniformly achieved using no more than 20 minutes of process time for 6061-T6. Using current methods a minimum of 80 minutes of process time is required to get marginally acceptable corrosion resistance for 2024-T3. Longer processing times are required to achieve uniformly good corrosion resistance.
  • Physical Description: 14 p.


  • Keyword: Surface Treatments
  • STI Subject Categories: 36 Materials Science
  • Keyword: Silicon Alloys
  • Keyword: Magnesium Alloys
  • Keyword: Aluminium Alloys
  • Keyword: Protective Coatings
  • Keyword: Corrosion Resistance
  • Keyword: Copper Alloys


  • Conference: National Association of Corrosion Engineers (NACE) annual corrosion conference and exposition: water and waste water industries, Denver, CO (United States), 24-29 Mar 1996


  • Name: Office of Scientific & Technical Information Technical Reports
    Code: OSTI


  • Name: UNT Libraries Government Documents Department
    Code: UNTGD

Resource Type

  • Article


  • Text


  • Other: DE96007670
  • Report No.: SAND--96-0220C
  • Report No.: CONF-960389--7
  • Grant Number: AC04-94AL85000
  • Office of Scientific & Technical Information Report Number: 195749
  • Archival Resource Key: ark:/67531/metadc664546


  • Display Note: OSTI as DE96007670