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首页> 外文期刊>Journal of Materials Engineering and Performance >Investigation on Static Softening Behaviors of a Low Carbon Steel Under Ferritic Rolling Condition
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Investigation on Static Softening Behaviors of a Low Carbon Steel Under Ferritic Rolling Condition

机译：低碳钢在铁素体轧制条件下的静态软化行为研究

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The study aims to postulate a theoretical hypothesis for the finishing period of ferritic rolling technique of the low carbon steel. The static softening behavior during multistage hot deformation of a low carbon steel has been studied by double hot compression tests at 700-800℃ and strain rate of 1 s~(-1) using a Gleeble-3500 simulator. Interrupted deformation is conducted with ihterpass times varying from 1 to 100 s after achieving a true strain of 0.5 in the first stage. The results indicate that the flow stress value at the second deformation is lower than that at the first one, and the flow stress drops substantially. The static softening effects increase with the increase of deformation temperature, holding temperature, and interpass time. The value of the ferritic static softening activation energy is obtained, and the static softening kinetics is modeled by the Avrami equation.
机译：该研究旨在为低碳钢的铁素体轧制技术的精加工阶段提出理论假设。利用Gleeble-3500模拟器通过700-800℃的双热压缩试验和1 s〜（-1）的应变速率研究了低碳钢多阶段热变形过程中的静态软化行为。在第一阶段达到0.5的真实应变后，以1到100 s的瞬变时间进行间断变形。结果表明，第二变形时的流动应力值低于第一变形时的流动应力值，并且流动应力显着下降。静态软化效果随变形温度，保持温度和通过时间的增加而增加。获得铁素体静态软化活化能的值，并通过Avrami方程对静态软化动力学进行建模。

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