船板钢动态再结晶峰值应力前流变应力曲线模型的研究

上海金属, 2009, 31(6): 38-41. doi: 10.3969/j.issn.1001-7208.2009.06.009

船板钢动态再结晶峰值应力前流变应力曲线模型的研究

卫品官 ^1, , 朱松鹤 ^2, , 张恒华 ^3, , 张梅 ^4,

1.上海大学材料科学与工程学院,上海,200072

2.上海大学材料科学与工程学院,上海,200072

3.上海大学材料科学与工程学院,上海,200072

4.上海大学材料科学与工程学院,上海,200072

关键词：船板钢 , 动态再结晶 , 流变应力 , 数学模型

STUDY ON STRESS-STRAIN CURVES OF SHIPBUILDING STEEL BEFORE DYNAMIC RECRYSTALLIZATION PEAK STRESS

利用Gleeble-3500热模拟试验机对F40船板钢进行高温单道次压缩实验,获得了其真应力-应变曲线.分别利用三种不同的方法对F40船板钢动态再结晶峰值应力前流变应力进行了拟合和预测,预测结果与实验值相吻合,其中Jonas法的预测结果最佳.

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