MICROSTRUCTURAL AND MICROHARDNESS CHARACTERIZATIONS OF A GAS METAL ARC WELDED ALUMINUM-LITHIUM ALLOY.

  • R. P. Martukanitz
  • , R. H. Stevens
  • , L. R. Johnston

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    6 Scopus citations

    Abstract

    Microstructural and microhardness characterizations were performed on alloy 2090-T8X (Al-2. 7 Cu-2. 2 Li-0. 12 Zr) weldments. These weldments were produced using 2319 (Al-6. 3 Cu), 4145 (Al-10. 0 Si-4. 0 Cu), and 4047 (Al-12. 0 Si) filler alloys. Minor variations in the fusion zone microstructure were apparent; however, this was attributed to filler alloy compositions. Microstructural and microhardness characterizations of the heat affected zone indicate that dissolution of the strengthening phases was the dominant modification.

    Original languageEnglish (US)
    Title of host publicationMicrostructural Science
    PublisherASM
    Pages53-64
    Number of pages12
    ISBN (Print)0871702371
    StatePublished - Jan 1 1987

    Publication series

    NameMicrostructural Science
    Volume14
    ISSN (Print)0361-1213

    All Science Journal Classification (ASJC) codes

    • General Engineering

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