On a Fast and Accurate In Situ Measuring Strategy for Recrystallization Kinetics and Its Application to an Al-Fe-Si Alloy

On a Fast and Accurate In Situ Measuring Strategy for Recrystallization Kinetics and Its Application to an Al-Fe-Si Alloy
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快速准确的再结晶动力学原位测量策略及其在 Al-Fe-Si 合金中的应用

DOI:
10.1007/s11661-014-2690-6
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发表时间:
2015
期刊:
Metallurgical and Materials Transactions A
影响因子:
--
通讯作者:
Gottstein
Gottstein
中科院分区:
--
文献类型:
--
作者:
Kuhbach;Brüggemann;Molodov;Gottstein

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在目前的研究中,我们详细介绍了一种新的基于X射线衍射的体积测量技术,该技术允许连续跟踪一次再结晶动力学。该方法基于测量衍射强度,该衍射强度与在织构测角仪内的样品在退火期间特定织构成分的体积分数的演变相关。将该方法应用于冷轧工业Al-Fe-Si合金的实验研究。为了比较的目的,宏观织构和硬度的演变是沿等温和非等温退火的监测曲线。然后将这些测量结果与实验结果进行了对比,得到了β-纤维形变和立方取向再结晶晶粒的生长动力学。结果表明,该方法可以可靠地用于工业再结晶动力学的表征。
In the current study, we detail a novelin situX-ray diffraction-based bulk measurement technique, which allows for the continuous tracking of primary recrystallization kinetics. The approach is based on measuring the diffracted intensity that is correlated with the evolution of the volume fraction of particular texture components during annealing of a sample within a texture goniometer. The method is applied in an experimental study on a cold-rolled industrial Al-Fe-Si alloy. For comparison purposes, the macrotexture and the hardness evolution were monitoredex situalong isothermal and nonisothermal annealing. These measurements were then contrasted to thein situobtained growth kinetics of recrystallizing grains in beta-fiber deformation and cube orientation. The results showed clearly that this method can be reliably utilized for the characterization of recrystallization kinetics in an industrial context.
具有细颗粒分散的标称纯铝中立方织构的形成
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