Effect of pre-aging conditions on T5 heat treatment behavior of Al-9%Si-0.3%Mg die-casting alloy

Tatsuya Inoue, Masahide Goto, Atsushi Yamaguchi, Tetsuo Otake, Akihiro Kuroda, Makoto Yoshida

    Research output: Contribution to journalArticle

    2 Citations (Scopus)

    Abstract

    Effect of pre-aging conditions on T5 heat treatment behavior of Al-9.0%Si-0.3%Mg die-casting alloy was investigated by using hardness measurement, differential scanning calorimetric analysisDSCand transmission electron microscopy TEM. T5 treated alloy showed the positive effect on the two-step aging at pre-aging temperatures between 273 and 343 K, unlike T6 treated alloy which showed the negative effect at pre-aging temperatures below 343 K. The positive effect on two-step aging seems to be the characteristic behavior at T5 heat treatment. Difference of two-step aging behavior between T5 and T6 treatments seems to result from the difference of cluster1formed in the pre-aging process below 343 K. Higher water-quenching temperature after casting tended to increase the hardness after artificial aging.

    Original languageEnglish
    Pages (from-to)507-512
    Number of pages6
    JournalKeikinzoku/Journal of Japan Institute of Light Metals
    Volume61
    Issue number10
    Publication statusPublished - 2011

    Fingerprint

    Die casting
    Aging of materials
    Heat treatment
    Hardness
    Transmission electron microscopy
    Temperature
    Quenching
    Casting
    Scanning
    Water

    Keywords

    • Al-Si-Mg alloy
    • Die-casting
    • Heat treatment
    • T5
    • Two-step aging

    ASJC Scopus subject areas

    • Materials Chemistry
    • Metals and Alloys
    • Mechanical Engineering
    • Mechanics of Materials

    Cite this

    Effect of pre-aging conditions on T5 heat treatment behavior of Al-9%Si-0.3%Mg die-casting alloy. / Inoue, Tatsuya; Goto, Masahide; Yamaguchi, Atsushi; Otake, Tetsuo; Kuroda, Akihiro; Yoshida, Makoto.

    In: Keikinzoku/Journal of Japan Institute of Light Metals, Vol. 61, No. 10, 2011, p. 507-512.

    Research output: Contribution to journalArticle

    Inoue, Tatsuya ; Goto, Masahide ; Yamaguchi, Atsushi ; Otake, Tetsuo ; Kuroda, Akihiro ; Yoshida, Makoto. / Effect of pre-aging conditions on T5 heat treatment behavior of Al-9%Si-0.3%Mg die-casting alloy. In: Keikinzoku/Journal of Japan Institute of Light Metals. 2011 ; Vol. 61, No. 10. pp. 507-512.
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    AU - Goto, Masahide

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    AU - Otake, Tetsuo

    AU - Kuroda, Akihiro

    AU - Yoshida, Makoto

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