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Hydrogen Embrittlement in a 2000-Series Aluminum Alloy

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Abstract

Tensile tests were performed on an Al-Cu-Mg alloy, 2124, in plate form, after aging to seven different tempers. Cathodic charging with hydrogen caused no significant loss of ductility for any temper, in contrast, for example, to 7075. Simultaneous straining and cathodic charging did, however, result in reduction in area losses up to 25 pct. The fracture mode was not altered by hydrogen. In general, the results conformed to the framework established through investigation of 7075 alloys, in that the underaged microstructures were the most susceptible to hydrogen embrittlement; this susceptibility can be explained in terms of microstructure and slip behavior.

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Authors and Affiliations

  1. Martin-Marietta Laboratories, 21227, Baltimore, MD

    D. A. Hardwick

  2. Department of Metallurgy, Tehran University, Tehran, Iran

    M. Taheri

  3. Department of Metallurgical Engineering and Materials Science, Carnegie-Mellon University, 15213, Pittsburgh, PA

    Anthony W. Thompson (Professor) & I. M. Bernstein (Professor)

Authors
  1. D. A. Hardwick
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  2. M. Taheri
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  3. Anthony W. Thompson
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  4. I. M. Bernstein
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Formerly Research Associates at Carnegie-Mellon University.

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Hardwick, D.A., Taheri, M., Thompson, A.W. et al. Hydrogen Embrittlement in a 2000-Series Aluminum Alloy. Metall Trans A 13, 235–239 (1982). https://doi.org/10.1007/BF02643313

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  • DOI: https://doi.org/10.1007/BF02643313

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