Pre-precipitate clustering in aged aluminium alloys

K. Hono, T. Sakurai, I. J. Polmear

    研究成果: Conference article査読

    1 被引用数 (Scopus)

    抄録

    Although a generalised thermodynamic description of precipitate nucleation in alloys has been available for many years, the actual atomic processes that are involved have remained largely unknown. This situation is now changing, however, through the combined use of high resolution transmission electron microscopy and atom probe field ion microscopy. Details are given of the application of these techniques to the study of nucleation processes in alloys based on the Al-Cu-Mg and Al-Mg-Si systems that have been quenched and aged at elevated temperatures, and in which clustering of different atom species has been detected. Special attention is paid to the Al-Cu-Mg-Ag system in which an increased understanding has been obtained of the role of silver in stimulating nucleation of the Ω phase.

    本文言語English
    ページ(範囲)249-254
    ページ数6
    ジャーナルMaterials Science Forum
    189-190
    DOI
    出版ステータスPublished - 1995
    イベントProceedings of the 2nd International Conference on the Role of Interfaces in Advanced Materials Design, Processing and Performance - Ballarat, Aust
    継続期間: 1993 11 11993 11 5

    ASJC Scopus subject areas

    • Materials Science(all)
    • Condensed Matter Physics
    • Mechanics of Materials
    • Mechanical Engineering

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