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首页> 外文期刊>Journal of Iron and Steel Research International >Austenite Recrystallization and Controlled Rolling of Low Carbon Steels
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Austenite Recrystallization and Controlled Rolling of Low Carbon Steels

机译：低碳钢的奥氏体再结晶和控制轧制

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摘要

The dynamic recrystallization and static recrystallization in a low carbon steel were investigated through single-pass and double-pass experiments. The results indicate that as the deformation temperature increases and the strain rate decreases, the shape of the stress-strain curve is changed from dynamic recovery shape to dynamic recrystallization shape. The austenite could not recrystallize within a few seconds after deformation at temperature below 900 deg C. According to the change in microstructure during deformation, the controlled rolling of low carbon steel can be divided into four stages: dynamic recrystallization, dynamic recovery, strain-induced ferrite transformation, and rolling in two-phase region. According to the microstructure after deformation, the controlled rolling of low carbon steel can be divided into five regions: non-recrystallized austenite, partly-recrystallized austenite, fully-recrystallized austenite, austenite to ferrite transformation, and dual phase.
机译：通过单道次和双道次实验研究了低碳钢中的动态再结晶和静态再结晶。结果表明，随着变形温度的升高和应变速率的减小，应力-应变曲线的形状由动态恢复形状变为动态再结晶形状。在低于900摄氏度的温度下，奥氏体在变形后几秒钟内不会再结晶。根据变形过程中的显微组织变化，低碳钢的受控轧制可分为四个阶段：动态再结晶，动态恢复，应变诱发铁素体相变，并在两相区域滚动。根据变形后的组织，低碳钢的控制轧制可分为五个区域：未再结晶奥氏体，部分再结晶奥氏体，完全再结晶奥氏体，奥氏体到铁素体的转变以及双相。

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