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首页> 外文会议>Pacific Rim International Conference on Advanced Materials and Processing >Continuous Cooling Transformation Behavior of High Strength Low-Alloyed Cold Rolled Sheet Steel
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Continuous Cooling Transformation Behavior of High Strength Low-Alloyed Cold Rolled Sheet Steel

机译：高强度低合金冷轧钢板钢的连续冷却变换性能

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摘要

The dilatometry curves and the critical phase transformation temperatures of high strength low-alloyed (HSLA) cold rolled sheet steel were determined by thermal simulation test machine. The samples were austenitized at 900deg C,deformed at 40 percent of deformation and cooled at different rates of 0.1 deg C/s- 60 deg C/s. The continuous cooling transformation (CCT) diagram under deformation condition can be drawn. The results showed that the critical phase transformation temperatures are as follows: Ac3=900 deg C, Ac1=735 deg C, Ar3=825 deg C, Ar1=695 deg C. A few amount of martensite in high strength low-alloyed cold rolled steel can be obtained at the cooling rate of 60 deg C/s. The experimental data provide the technical references for rolling control, cooling control and heat treatment in real production.
机译：通过热模拟试验机测定高强度低合金（HSLA）冷轧钢板钢的膨胀曲线和临界相变温度。将样品在900deg C的官方化，以40％的变形变形并以0.1℃/ s-60℃/ s的不同速率冷却。可以绘制变形条件下的连续冷却变换（CCT）图。结果表明，临界相变温度如下：AC3 = 900℃，AC1 = 735℃，Ar3 = 825℃，Ar1 = 695℃。少量马氏体高强度低合金冷轧可以以60℃/ s的冷却速度获得钢。实验数据提供了实际生产中轧制，冷却控制和热处理的技术参考。

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