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    Modeling the Creep of Nickel

    Source: Journal of Engineering Materials and Technology:;2021:;volume( 143 ):;issue: 004::page 041011-1
    Author:
    Sandström, Rolf
    ,
    Zhang, Jing
    DOI: 10.1115/1.4051421
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: Many metals and alloys have a stress exponent for the creep rate that is considerably higher than the value of three that is typically predicted by creep recovery models. One example is pure Ni. Creep data from Norman and Duran that are analyzed in the paper give a stress exponent of about seven in the temperature range 0.3–0.55 of the melting point. It has recently been shown that the high creep exponent of Al and Cu in the power-law breakdown regime can be explained by the presence of strain-induced vacancies. By applying a creep recovery model that does not involve adjustable parameters, it is shown that strain-induced vacancies can also explain the high-stress exponent of pure nickel.
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      Modeling the Creep of Nickel

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    contributor authorSandström, Rolf
    contributor authorZhang, Jing
    date accessioned2022-02-06T05:44:46Z
    date available2022-02-06T05:44:46Z
    date copyright6/23/2021 12:00:00 AM
    date issued2021
    identifier issn0094-4289
    identifier othermats_143_4_041011.pdf
    identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4278669
    description abstractMany metals and alloys have a stress exponent for the creep rate that is considerably higher than the value of three that is typically predicted by creep recovery models. One example is pure Ni. Creep data from Norman and Duran that are analyzed in the paper give a stress exponent of about seven in the temperature range 0.3–0.55 of the melting point. It has recently been shown that the high creep exponent of Al and Cu in the power-law breakdown regime can be explained by the presence of strain-induced vacancies. By applying a creep recovery model that does not involve adjustable parameters, it is shown that strain-induced vacancies can also explain the high-stress exponent of pure nickel.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleModeling the Creep of Nickel
    typeJournal Paper
    journal volume143
    journal issue4
    journal titleJournal of Engineering Materials and Technology
    identifier doi10.1115/1.4051421
    journal fristpage041011-1
    journal lastpage041011-5
    page5
    treeJournal of Engineering Materials and Technology:;2021:;volume( 143 ):;issue: 004
    contenttypeFulltext
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