The effects of beryllium additions on the oxidation of nickel aluminide and titanium aluminide based intermetallics Metadata

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Title

  • Main Title The effects of beryllium additions on the oxidation of nickel aluminide and titanium aluminide based intermetallics

Creator

  • Author: Hanrahan, Robert J., Jr.
    Creator Type: Personal
  • Author: Chen, Katherine C.
    Creator Type: Personal
    Creator Info: Los Alamos National Lab., NM (United States). Materials Science and Technology Div.
  • Author: Brady, Michael P.
    Creator Type: Personal
    Creator Info: Oak Ridge National Lab., TN (United States). Metals and Ceramics Div.

Contributor

  • Sponsor: United States. Office of the Assistant Secretary for Fossil Energy.
    Contributor Type: Organization
    Contributor Info: USDOE Assistant Secretary for Fossil Energy, Washington, DC (United States)

Publisher

  • Name: Oak Ridge National Laboratory
    Place of Publication: Tennessee
    Additional Info: Oak Ridge National Lab., TN (United States)

Date

  • Creation: 1998-11-01

Language

  • English

Description

  • Content Description: The effects of Be additions on the oxidation behavior of {beta}-NiAl in moist air at 1,000 C as well as on the borderline alumina-forming {gamma} + Laves Ti-Al-Cr based alloys at 800 C and 1,000 C in dry and moist air were investigated. The addition of Be to {beta}-NiAl suppressed the formation of transient alumina and resulted in the formation of a protective BeAl{sub 2}O{sub 4} spinel phase. In dry air, the addition of Be to the Ti-Al-Cr alloys also resulted in the formation of a protective BeAl{sub 2}O{sub 4} spinel phase. In moist air, only Ti-Al-Cr-Be alloys with a high Cr content (10 to 15 a/o) formed the protective BeAl{sub 2}O{sub 4} scale.
  • Physical Description: 8 p.

Subject

  • STI Subject Categories: 36 Materials Science
  • Keyword: Metallurgical Effects
  • Keyword: Experimental Data
  • Keyword: Oxidation
  • Keyword: Nickel Alloys
  • Keyword: Intermetallic Compounds
  • Keyword: Aluminium Alloys
  • Keyword: Protective Coatings
  • Keyword: Titanium Alloys
  • Keyword: Beryllium Additions
  • Keyword: Temperature Range 1000-4000 K

Source

  • Conference: 193. meeting of the Electrochemical Society, Inc., San Diego, CA (United States), 3-8 May 1998

Collection

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

Institution

  • Name: UNT Libraries Government Documents Department
    Code: UNTGD

Resource Type

  • Report

Format

  • Text

Identifier

  • Other: DE99000382
  • Report No.: ORNL/CP--99047
  • Report No.: CONF-980504--
  • Grant Number: AC05-96OR22464
  • DOI: 10.2172/290925
  • Office of Scientific & Technical Information Report Number: 290925
  • Archival Resource Key: ark:/67531/metadc678722

Note

  • Display Note: OSTI as DE99000382
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