Corrosion Embrittlement of Duralumin V : Results of Weather-Exposure Tests

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In a series of weather exposure tests of sheet duralumin, upon which accelerated corrosion tests in the laboratory by the wet-and-dry corrosion method in a sodium chloride solution has already been carried out, a close parallelism between the results of the two kinds of tests was found to exist. The exposure tests showed that the lack of permanence of sheet duralumin is largely, if not entirely, due to corrosion. A corrosion attack of an intercrystalline nature is very largely responsible for the degree of embrittlement produced. The rate of embrittlement was greatly accelerated by a marine atmosphere and by the ... continued below

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Rawdon, Henry S. February 1, 1929.

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  • Main Title: Corrosion Embrittlement of Duralumin V : Results of Weather-Exposure Tests
  • Series Title: NACA Technical Notes

Description

In a series of weather exposure tests of sheet duralumin, upon which accelerated corrosion tests in the laboratory by the wet-and-dry corrosion method in a sodium chloride solution has already been carried out, a close parallelism between the results of the two kinds of tests was found to exist. The exposure tests showed that the lack of permanence of sheet duralumin is largely, if not entirely, due to corrosion. A corrosion attack of an intercrystalline nature is very largely responsible for the degree of embrittlement produced. The rate of embrittlement was greatly accelerated by a marine atmosphere and by the tropical climate. Variations in corrosion and embrittlement are noted in relation to heat treatment, cold working, and types of protective coatings.

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  • Accession or Local Control No: 93R10384
  • URL: http://hdl.handle.net/2060/19930081094 External Link
  • Report No.: NACA-TN-304
  • Center for AeroSpace Information Number: 19930081094
  • Archival Resource Key: ark:/67531/metadc53984

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National Advisory Committee for Aeronautics Collection

The National Advisory Committee for Aeronautics (NACA) was a U.S. federal agency founded on March 3, 1915 to undertake, promote, and institutionalize aeronautical research. On October 1, 1958 the agency was dissolved, and its assets and personnel transferred to the newly created National Aeronautics and Space Administration (NASA).

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  • February 1, 1929

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  • Nov. 14, 2011, 7:18 p.m.

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  • July 30, 2018, 3:40 p.m.

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Rawdon, Henry S. Corrosion Embrittlement of Duralumin V : Results of Weather-Exposure Tests, report, February 1, 1929; (digital.library.unt.edu/ark:/67531/metadc53984/: accessed October 21, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.