Pulsed ion beam surface treatment for preparing rapidly solidified corrosion resistant steel and aluminum surfaces

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Description

Intense, pulsed ion beams were used to melt and rapidly resolidify Types 316F, 316L and sensitized 304 stainless steel surfaces to eliminate the negative effects of microstructural heterogeneity on localized corrosion resistance. Anodic polarization curves determined for 316F and 316L showed that passive current densities were reduced and pitting potentials were increased due to ion beam treatment. Type 304 samples sensitized at 600 C for 100 h showed no evidence of grain boundary attack when surfaces were ion beam treated. Equivalent ion beam treatments were conducted with a 6061-T6 aluminum alloy. Electrochemical impedance experiments conducted with this alloy exposed to ... continued below

Physical Description

10 p.

Creation Information

Buchheit, R.G.; Maestas, L.M.; McIntyre, D.C.; Stinnett, R.W. & Greenly, J.B. March 1, 1995.

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

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Description

Intense, pulsed ion beams were used to melt and rapidly resolidify Types 316F, 316L and sensitized 304 stainless steel surfaces to eliminate the negative effects of microstructural heterogeneity on localized corrosion resistance. Anodic polarization curves determined for 316F and 316L showed that passive current densities were reduced and pitting potentials were increased due to ion beam treatment. Type 304 samples sensitized at 600 C for 100 h showed no evidence of grain boundary attack when surfaces were ion beam treated. Equivalent ion beam treatments were conducted with a 6061-T6 aluminum alloy. Electrochemical impedance experiments conducted with this alloy exposed to an aerated chloride solution showed that the onset of pitting was delayed compared to untreated control samples.

Physical Description

10 p.

Notes

OSTI as DE95007741

Source

  • Annual meeting and exhibition of the Minerals, Metals and Materials Society (TMS), Las Vegas, NV (United States), 12-16 Feb 1995

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  • Other: DE95007741
  • Report No.: SAND--95-0281C
  • Report No.: CONF-950201--5
  • Grant Number: AC04-94AL85000
  • DOI: 10.2172/28378 | External Link
  • Office of Scientific & Technical Information Report Number: 28378
  • Archival Resource Key: ark:/67531/metadc666131

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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Creation Date

  • March 1, 1995

Added to The UNT Digital Library

  • June 29, 2015, 9:42 p.m.

Description Last Updated

  • April 14, 2016, 8:44 p.m.

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Buchheit, R.G.; Maestas, L.M.; McIntyre, D.C.; Stinnett, R.W. & Greenly, J.B. Pulsed ion beam surface treatment for preparing rapidly solidified corrosion resistant steel and aluminum surfaces, report, March 1, 1995; Albuquerque, New Mexico. (digital.library.unt.edu/ark:/67531/metadc666131/: accessed October 20, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.