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EBSD characterization of an IF steel processed by Accumulative Roll Bonding

机译:EBSD表征累积辊粘合处理的IF钢

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The objective of this work is to study the texture and microstructure evolution of an IF steel deformed by Accumulative Roll Bonding (ARB) using Electron Backscatter Diffraction. Texture changes occur with increasing number of ARB cycles. For the early cycles, the main components are the α and γ fiber components characteristic of steels. With increasing the number of ARB cycles a tendency towards a random texture is obtained. In the initial state, the mean grain size is 30 μm and after 5 cycles it decreases to 1.2 μm. For the first ARB cycles, the fraction of high angle grain boundary is low but it increases with the number of cycles to about 80% for 5 cycles. The Kernel Average Misorientation (KAM) has no appreciable changes with the number of ARB cycles for all the texture components.
机译:这项工作的目的是研究如果通过电子反向散射衍射通过累积辊粘合(arb)而变形的钢的纹理和微观结构演化。越来越多的ARB周期发生纹理变化。对于早期循环,主要成分是钢的α和γ纤维部件。随着ARB周期的增加,获得了随机纹理的趋势。在初始状态下,平均晶粒尺寸为30μm,5次循环后,它降低至1.2μm。对于第一次阶段,高角度晶界的分数低,但随着5个循环的循环次数增加至约80%。内核平均误导(KAM)没有任何明显的变化,所有纹理组件的ARB周期数量没有明显的变化。

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