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Practical Approach to Determining Dynamic Recrystallization Parameters Using Finite Element Optimization of Backward Extrusion Process

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Języki publikacji
EN
Abstrakty
EN
In this study, we present a new method for obtaining the parameters of the Johnson-Mehl-Avrami-Kolmogorov equation for dynamic recrystallization grain size. The method consists of finite-element analysis and optimization techniques. An optimization tool iteratively minimizes the error between experimental values and corresponding finite-element solutions. Isothermal backward extrusion of the AA6060 aluminum alloy was used to acquire the main parameters of the equation for predicting DRX grain size. We compared grain sizes predicted using optimized and reference parameters with experimental values from the literature and found better agreement when the optimized parameters were applied.
Twórcy
autor
  • Gyeongsang National University, Graduate School of Mechanical and Aerospace Engineering, Jinju-City, 664-953, Republic of Korea
autor
  • Gyeongsang National University, Recaft, School of Mechanical and Aerospace Engineering, Jinju-City, 664-953, Republic of Korea
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Uwagi
EN
1. This work is supported by the BK 21 plus, WC300 project for industry-university cooperative research of the Korean Small and Medium Business Administration.
PL
2. Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2019).
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-cec16557-7c93-4f2f-9828-3d61a7eef3ae
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