EMBRITTLEMENT OF Cu-Zn ALLOYS IN THE SOLIDIFICATION PROCESS.

Shigeo Oya, Mitsuhiro Ohtaki, Masao Kobayashi, Keiichi Kobayashi

    Research output: Contribution to journalArticle

    5 Citations (Scopus)

    Abstract

    Tensile strength and apparent deformation of solidifying binary Cu-Zn castings were studied at various fractions of solid by use of a tensile test apparatus newly developed. The alloys complete solidification through four stages with increase in fraction of solid. The alloys at stage I with fractions of solid up to f//a have significant deformation. Those at stage II with fractions of solid f//a to f//b rapidly lower the deformation. Those at stage III with fractions of solid f//b to f//c minimize the and and have noticeable strength. Those at stage IV with fraction of solid f//c or more show rapid increase of both deformation and strength (f//a less than f//b less than f//c). The alpha -phase solid solution alloys containing Zn up to 30% have less deformation in the extended brittle stage III that the beta -phase solid solution alloys containing Zn 40 to 45%.

    Original languageEnglish
    Pages (from-to)623-631
    Number of pages9
    JournalTransactions of the Japan Institute of Metals
    Volume27
    Issue number8
    Publication statusPublished - 1986 Aug

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    solidification
    Solidification
    Solid solutions
    solid solutions
    tensile tests
    tensile strength
    Tensile strength

    ASJC Scopus subject areas

    • Engineering(all)

    Cite this

    Oya, S., Ohtaki, M., Kobayashi, M., & Kobayashi, K. (1986). EMBRITTLEMENT OF Cu-Zn ALLOYS IN THE SOLIDIFICATION PROCESS. Transactions of the Japan Institute of Metals, 27(8), 623-631.

    EMBRITTLEMENT OF Cu-Zn ALLOYS IN THE SOLIDIFICATION PROCESS. / Oya, Shigeo; Ohtaki, Mitsuhiro; Kobayashi, Masao; Kobayashi, Keiichi.

    In: Transactions of the Japan Institute of Metals, Vol. 27, No. 8, 08.1986, p. 623-631.

    Research output: Contribution to journalArticle

    Oya, S, Ohtaki, M, Kobayashi, M & Kobayashi, K 1986, 'EMBRITTLEMENT OF Cu-Zn ALLOYS IN THE SOLIDIFICATION PROCESS.', Transactions of the Japan Institute of Metals, vol. 27, no. 8, pp. 623-631.
    Oya, Shigeo ; Ohtaki, Mitsuhiro ; Kobayashi, Masao ; Kobayashi, Keiichi. / EMBRITTLEMENT OF Cu-Zn ALLOYS IN THE SOLIDIFICATION PROCESS. In: Transactions of the Japan Institute of Metals. 1986 ; Vol. 27, No. 8. pp. 623-631.
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    abstract = "Tensile strength and apparent deformation of solidifying binary Cu-Zn castings were studied at various fractions of solid by use of a tensile test apparatus newly developed. The alloys complete solidification through four stages with increase in fraction of solid. The alloys at stage I with fractions of solid up to f//a have significant deformation. Those at stage II with fractions of solid f//a to f//b rapidly lower the deformation. Those at stage III with fractions of solid f//b to f//c minimize the and and have noticeable strength. Those at stage IV with fraction of solid f//c or more show rapid increase of both deformation and strength (f//a less than f//b less than f//c). The alpha -phase solid solution alloys containing Zn up to 30{\%} have less deformation in the extended brittle stage III that the beta -phase solid solution alloys containing Zn 40 to 45{\%}.",
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