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- Finite Analysis of Temperature Field and Prediction of Mean Flow Stress during Multi-Pass Hot Strip Rolling 热连轧带钢温度场有限元分析和平均流变应力的预测
- Keywords steel plate;static recrystallization;grain size;MFS(mean flow stress);residual strain; 中厚板;静态再结晶;晶粒尺寸;平均流变应力;残余应变;
- MFS(mean flow stress) 平均流变应力
- mean flow stress 平均流变应力
- mean flow stress (MFS) 平均流变应力
- The pivotal factor of predicting rolling force is flow stress. 影响轧制力的主要因素是材料的流动应力。
- The flow stress remains a conant during steady state deformation. 稳态流变阶段,流变应力基本保持不变;
- Validation of Quasigeostrophic Zonal Mean Flow Responses to Torques. 准地转纬向平均气流对转矩反映的确认。
- A analytical mode matching method is developed for the sound propagation through rectangular flow duct with mean flow and with lining. 流管实验装置是测量有流动情况下航空发动机消声短舱内声衬声阻抗的主要装置。
- The flow stress of ferrite/pearlite steel under uni-axial tension was simulated with finite element method (FEM) by applying commercial software MARC/MENTAT. 应用MARC/MENTAT商用有限元软件,对铁素体/珠光体钢的单向拉伸过程进行了有限元模拟。
- Results The mean flow velocity(MFV) of intracranial vessel in patients with vascular migraine attack was significantly lower than that in the control. 结果:儿童血管性头痛患儿发作期颅内外动脉最高平均血流速度(MFV)低于正常对照组;
- The flow stress of 2519 aluminum alloy during high temperature deformation can be represented by Zener-Hollomon parameter including the Arrhenius term. 可用包含Arrhenius项的Zener2Hollomon参数描述2519铝合金高温塑性变形时的流变行为。
- The flow stress of KFC copper alloy during high temperature can be represented by a Zener-Hollomon parameter in the hyperbolic-sine-type equation. 用Zener-Hol-lomon参数的双曲对数函数能较好的描述KFC铜合金高温变形时的流变应力行为;
- Methods:14 AF patients of normal cardiac function and 18 normal subjects were studied with transcranial Doppler (TCD) of mean flow velocity(Vm) and pulsatility index (PI). 方法 :选择 14例心功能代偿期AF患者作观察组 (AF组 ) ,18例同龄健康体检者作对照组。 采用经颅多普勒检测仪 (TCD)以脑动脉平均血流速度 (Vm)及搏动指数 (PI)为观察指标。
- Experimental results showed that the DCPs could increase the elongation rate remarkably, whereas only decreased the flow stress slightly. 结果表明:脉冲电流能显著提高7475铝合金的伸长率,稍微降低其变形流动应力。
- The parametric resonances of first mode of order 1/2 of clamped-clamped pipes conveying pulsating fluid are investigated under some different mean flow velocities. 对三种合成管道在几个不同的平均流速和脉动流作用下做了多次重复实验获得了第一振型1/2次谐波参数共振相关实验数据,实验结果与理论结果在定性上一致。
- The flow stress of 7A60 ultra high strength aluminum alloy was studied by isothermal compress test at constant strain rate. 采用等温恒应变速率压缩试验对7A60超高强度铝合金的流动应力进行了研究。
- The results showed that the peak syxtolic flow velocity(PFV),end diastolic flow velocity(EDV),and mean flow velocity(MFV)increased significantly in comparison with control group. 结果显示,实验动物颅脑撞击伤后,收缩期血流峰值速度(PFV),舒张末期血流速度(EDV)和平均血流速度(MFV)3小时测值最大,到6小时又回落接近伤前水平。
- The serration flow phenomenon is associated with dynamic strain aging (DSA) and yield a negative strain-rate dependence of the flow stress. 结果表明: 易拉罐用铝材在形变过程中会出现动态应变时效现象;
- In order to lower the flow stress in the cold heading process,the Bauschinger effect of microalloyed steel MFT8 for cold heading bolt was studied. 为了降低冷作强化非调质钢冷镦变形的变形抗力,研究了冷作强化非调质钢MFT8在冷变形过程中的鲍辛格效应。