The effects of shell thickness and related height reduction on the longitudinal tensile strain of the slabs are analyzed.
采用三维弹塑性大变形热力耦合有限元法,模拟薄板坯连铸液芯铸轧过程中的坯壳变形,分析影响铸坯纵向伸长的主要因素,提出动态反向堆钢理论,对有限元模拟结果和在线热带生产(ISP)工艺中的铸轧技术做出了合理解
The studies show that the longitudinal tensile strain of strand can be ignored for thin shell,but it can not be ignored for thick shell.
采用弹塑性大变形热力耦合有限元法,模拟薄板坯连铸液芯铸轧过程中的坯壳变形,指出液芯铸轧初始阶段坯壳较薄时铸坯纵向伸长可以忽略,但铸轧后期坯壳较厚时铸坯纵向伸长不能忽略。
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