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Kinetics of individual grains during recrystallization of cold-rolled copper

机译:冷轧铜重结晶期间各种谷物的动力学

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The formation of a recrystallization texture is closely related to the nucleation and growth of recrystallizing grains, which may vary from grain to grain. Cube texture is a commonly observed recrystallization texture in face centered cubic metals of medium to high stacking fault energy after heavy cold-rolling and annealing. In this work, recrystallization of pure copper cold-rolled to a von Mises strain of 2.7 was investigated in situ using three-dimensional X-ray diffraction. Growth curves of 835 grains were determined, and the curves of cube and noncube grains were compared. It was found that the nucleation times of cube grains and non-cube grains were similar, whereas the growth rates of a few but not all cube grains were high. Effects hereof for the development of the cube texture were discussed.
机译:重结晶纹理的形成与重结晶晶粒的成核和生长密切相关,这可能因谷物到晶粒而变化。立方体纹理是一种常见的重结晶纹理,在较高的冷轧和退火后的高堆叠故障能量中的面对高堆叠故障能量。在这项工作中,使用三维X射线衍射研究了冷轧至2.7的vonmmes菌株的纯铜的重结晶。确定了835颗粒的生长曲线,比较了立方体和非凝胶颗粒的曲线。发现立方体颗粒和非立方体颗粒的成核时间相似,而少数但并非所有立方体颗粒的生长率都很高。讨论了本文在此开发立方体纹理的影响。

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