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首页> 外文期刊>ISIJ international >Ultrafine Grained Ferrite Formed by Interrupted Hot Torsion Deformation of Plain Carbon Steel
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Ultrafine Grained Ferrite Formed by Interrupted Hot Torsion Deformation of Plain Carbon Steel

机译：普通碳钢热中断变形后形成的超细晶粒铁素体

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摘要

A plain carbon steel was deformed using a hot torsion deformation simulator. A schedule known to produce strain-induced ferrite was used with the strain interrupted for increasing intervals of time to determine the effect of an isothermal hold on the final microstructure. Microscopy and electron back-scattered diffraction (EBSD) were used to analyse the changes that occurred in the partially transformed microstructure during the hold and the subsequent applied strain. The strain-induced ferrite coarsened during the hold and this coarsened ferrite was refined during the second deformation. These results were compared to those obtained for a different plain carbon steel deformed in single pass rolling close to the Ar_3 temperature.
机译：使用热扭转变形模拟器使普通碳素钢变形。使用已知的产生应变感应铁素体的时间表，并中断应变以增加时间间隔，以确定等温保持对最终微结构的影响。显微镜和电子背散射衍射（EBSD）用于分析在保持和随后施加的应变过程中，部分转变的微观结构发生的变化。在保持期间，应变感应铁素体变粗，而在第二次变形中，该变粗的铁素体被细化。将这些结果与在接近Ar_3温度的单道次轧制中变形的不同普通碳素钢获得的结果进行了比较。

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