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Modeling of disorientation axis distribution in severely deformed copper

机译:严重变形铜的取向轴分布模型

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摘要

Employing the recently established polycrystal plasticity grain fragmentation model (GR) under an updated version, the pixel-to-pixel disorientation axis distribution (DAD) was examined for copper deformed by 90° equal-channel angular pressing up to two passes at room temperature. It was found that the disorientation axes are preferentially parallel to the transverse deformation axis. The GR model reproduced faithfully the DAD together with other microstructure features including grain size distribution and disorientation angle distribution.
机译:使用最新建立的多晶可塑性晶粒破碎模型(GR),在更新版本下,检查了像素至像素的取向轴分布(DAD),以了解在室温下通过90°等通道角挤压多达两次的铜变形。已经发现,取向差轴优选平行于横向变形轴。 GR模型忠实地复制了DAD以及其他微观结构特征,包括晶粒尺寸分布和取向差角分布。

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