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Locally Reversing Sensitization in 5xxx Aluminum Plate

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Abstract

Aluminum-magnesium alloys are ideal for ship construction; however, these alloys can become sensitized and susceptible to intergranular corrosion when exposed to moderately elevated temperatures. A stabilization treatment has been developed to reverse sensitization and restore corrosion resistance such that in-service plate can be refurbished rather than replaced. This treatment involves a short exposure to a specific elevated temperature range and can be implemented with portable units onboard a ship.

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Acknowledgments

This study was conducted on the Advanced Combatant Materials Program, operated by Concurrent Technologies Corporation under contract no. N00178-05-D-4255-FD01.

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Authors and Affiliations

  1. Concurrent Technologies Corporation, Johnstown, PA, USA

    L. Kramer, M. Phillippi & W. T. Tack

  2. Naval Sea Systems Command, Washington, DC, USA

    C. Wong

Authors
  1. L. Kramer
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  2. M. Phillippi
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  3. W. T. Tack
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  4. C. Wong
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Correspondence to L. Kramer.

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Kramer, L., Phillippi, M., Tack, W.T. et al. Locally Reversing Sensitization in 5xxx Aluminum Plate. J. of Materi Eng and Perform 21, 1025–1029 (2012). https://doi.org/10.1007/s11665-011-9998-9

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  • DOI: https://doi.org/10.1007/s11665-011-9998-9

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