Microstructural path modeling of primary recrystallization

R A Vandermeer, D. Juul Jensen*

*Corresponding author for this work

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While the classic KJMA model is frequently used to fit experimental recrystallization kinetics data, the fitted values in most cases are inconsistent with the observed microstructural evolution. In this paper, we review the much more powerful microstructural path modeling (MPM) methodology. A basic assumption in this next generation of recrystallization models is related to the spatial distribution of nucleation sites, which may be uniform in the mathematical sense, i.e. randomly distributed in the sample volume, or clustered either along lines or on planes. For example nuclei are often observed to be linearly aligned because they have formed along original grain boundaries or stringers of second phase particles in the deformed matrix. In this paper, we present a new MPM, which is extending the former idealized linear MPM, allowing the recrystallizing grains to grow with different speeds in different directions, thus becoming prolate spheroid shaped. Finally issues concerning experimental determination and analysis of growth rates, are discussed.
Original languageEnglish
Article number012027
Book seriesJournal of Physics: Conference Series
Issue number1
Number of pages9
Publication statusPublished - 2023
Event8th International Conference on Recrystallization and Grain Growth - Chongqing, China
Duration: 15 May 202319 May 2023


Conference8th International Conference on Recrystallization and Grain Growth


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