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    Grain Size Modeling and Optimization of Rotary Forged Alloy 718

    Source: Journal of Engineering Materials and Technology:;1997:;volume( 119 ):;issue: 002::page 133
    Author:
    J. P. Domblesky
    ,
    Rajiv Shivpuri
    DOI: 10.1115/1.2805984
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: The study presented describes the simulation procedure and methodology used to develop two models for predicting recrystallized grain size in Alloy 718 billet. To simulate multiple pass forging of billet, controlled, high temperature compression testing was used to apply alternate deformation and dwell cycles to Alloy 718 specimens. Grain size obtained by simulation was found to be in excellent agreement with grain size from forged billet when cooling rate was included. The study also revealed that strain per pass and forging temperature were the predominant factors in controlling the recrystallized grain size. Both models were found to accurately predict the recrystallized grain size obtained by compression tests performed at super-solvus temperatures.
    keyword(s): Alloys , Modeling , Optimization , Grain size , Compression , Forging , Simulation , Temperature , Cooling , Cycles , Testing , Indium alloys , High temperature AND Deformation ,
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      Grain Size Modeling and Optimization of Rotary Forged Alloy 718

    URI
    http://yetl.yabesh.ir/yetl1/handle/yetl/118793
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    contributor authorJ. P. Domblesky
    contributor authorRajiv Shivpuri
    date accessioned2017-05-08T23:53:38Z
    date available2017-05-08T23:53:38Z
    date copyrightApril, 1997
    date issued1997
    identifier issn0094-4289
    identifier otherJEMTA8-26985#133_1.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/118793
    description abstractThe study presented describes the simulation procedure and methodology used to develop two models for predicting recrystallized grain size in Alloy 718 billet. To simulate multiple pass forging of billet, controlled, high temperature compression testing was used to apply alternate deformation and dwell cycles to Alloy 718 specimens. Grain size obtained by simulation was found to be in excellent agreement with grain size from forged billet when cooling rate was included. The study also revealed that strain per pass and forging temperature were the predominant factors in controlling the recrystallized grain size. Both models were found to accurately predict the recrystallized grain size obtained by compression tests performed at super-solvus temperatures.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleGrain Size Modeling and Optimization of Rotary Forged Alloy 718
    typeJournal Paper
    journal volume119
    journal issue2
    journal titleJournal of Engineering Materials and Technology
    identifier doi10.1115/1.2805984
    journal fristpage133
    journal lastpage137
    identifier eissn1528-8889
    keywordsAlloys
    keywordsModeling
    keywordsOptimization
    keywordsGrain size
    keywordsCompression
    keywordsForging
    keywordsSimulation
    keywordsTemperature
    keywordsCooling
    keywordsCycles
    keywordsTesting
    keywordsIndium alloys
    keywordsHigh temperature AND Deformation
    treeJournal of Engineering Materials and Technology:;1997:;volume( 119 ):;issue: 002
    contenttypeFulltext
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