【作者】 程先舟；

【Author】 Cheng Xianzhou (Wuhan Iron and Steel (Group) Company,Wuhan,430080)

【机构】 武汉钢铁(集团)公司；

【摘要】 利用 THERMECMASTOR-Z 热模拟实验机,用碳含量为0．8%左右的高碳钢进行热模拟实验,测定高碳钢在热加工条件下,流动应力与变形温度、变形程度、应变速率等影响因素间的关系：对实验数据进行分析,确定了影响流动应力的主要因素及数学模型的结构形式,通过非线性回归分析,建立了流动应力数学模型,模型预报结果与实测结果吻合。更多还原

【Abstract】 Based on thermal simulation experiments of carbon content 0.8% high carbon steel on THERMECMASTOR-Z thermal simulation machine,the relationships between flow stress、temperature of deformation、strain、strain rate and are measured under the condition of hot working;According to the analyses of experimental data,the main factor affecting flow stress and structure of mathematical model are ascertained,flow stress model is set up by nonlinear regression analysis and predicted results are in accordance with the experimental measurement.更多还原