Research and Application of High Temperature Deformation Resistance in Low-alloy Steel with Vanadium
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摘要: 利用MMS-200热力模拟试验机对510 MPa级含钒低合金钢在850~1 100℃温度区间变形抗力进行研究,分析试验中变形温度、变形速率和变形程度对变形抗力的影响规律,并根据试验研究结果优化和完善热连轧变形抗力数学模型,该品种轧制力预报误差由8%~10%降低到5%以下,有效提高了过程控制数学模型的预报精度。Abstract: By the MMS-200 testing machine for thermal simulation,researched the deformation resistance in 850~1 100 ℃ temperature for vanadium low-alloy steel whose tensile strength is 510 MPa and analyzed deformation temperature,deformation speed and deformation extent to influence the deformation resistance in the test.According to the experimental result,the mathematical model of deformation resistance in hot continuous rolling has been optimized and improved.The prediction error for rolling force is reduced from 8%~10% to below 5%.The prediction accuracy of the mathematical model for process control has been improved effectively.
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