Effect of Technological Parameters on Microstructures and Mechanical Properties of Low Carbon Steel in Thin Slab Continuous Rolling Process
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摘要: 结合薄板坯连铸连轧流程的工艺特点,在Gleeble 2000热模拟试验机上研究了冷却速度、变形温度和卷取温度等工艺参数对低碳铝镇静钢组织和性能的影响。试验结果表明:降低冷却速度,提高变形温度,提高卷取温度有利于铁素体组织的粗化和热轧钢带屈服强度的降低。探讨了工业生产条件下,各种工艺参数的优化组合对铁素体组织粗化的影响。Abstract: Combined with the technological characteristics of thin slab continuous rolling process,the effect of technological parameters,such as cooling rate,rolling temperature,and coiling temperature on microstructures and mechanical properties of low carbon Al-killed steels was studied.Optimization of technological parameters was discussed in real production.The results show that decreasing cooling rate and increasing rolling temperature and coiling temperature are beneficial to the coarsening of ferrite grain.
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