Effect of Inhomogeneous Deformation on the Recrystallization Kinetics of Deformed Metals
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概要
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In this paper, the Johnson-Mehl-Avrami-Kolmogorov equation, modified by Rollett et al. (1989) to take the heterogeneity of recrystallization into account, was used to derive analytical equations to calculate the instantaneous and average Avrami exponent during the heterogeneous recrystallization process. The model can explain experimental observations, such as a lower exponent than predicted by the JMAK theory and a decreasing exponent with proceeding recrystallization; moreover, by building up a quantitative relationship between local strain variation and heterogeneity of recrystallization kinetics, it can also describe so-far unexplained observations, such as the range of experimentally observed exponents in recrystallization, and the very small effect of temperature and deformation conditions on the Avrami exponent.
- 社団法人 日本鉄鋼協会の論文
- 2004-11-15
著者
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van der
Faculty of Applied Science, Kavli Institute of Nanoscience Delft, Delft University of Technology
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Luo Haiwen
Netherlands Institute For Metals Research
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SIETSMA Jilt
Department of Materials Science & Engineering, Delft University of Technology
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Van Der
Faculty Of Aerospace Engineering Delft University Of Technology
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Sietsma Jilt
Department Of Materials Science And Engineering Delft University Of Technology
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