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- flow stress curve 流变曲线
- On this basis, a flow stress model to calculate the multipass stress-strain curve during finishing rolling is worked out. 在此基础上建立了计算精轧过程应力应变曲线的流变应力模型,根据现场数据预测了X46级管线钢精轧过程中的轧制压力。
- 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;
- 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。
- In this papar, we analys the non-normal dynamic thermoelastic stress of adhesion coating caused by thermal in surfacelaver, On the basis of numerical calculating result, the stress curve is drawn. 文章分析了因表层热冲击引起的耐磨胶粘涂层中近表面区域的非定常动态热应力,根据分析计算结果绘制了涂层中某点的热冲击动应力变化曲线;
- 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;
- 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 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 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。
- The efficiency and accuracy of the predicted flow stress achieved by the proposed model were better than the methods used in moat literature. 通过与其它文献中常用方法的比较发现,该方法在变形抗力预测的有效性和精确性方面都有很大提高。
- According to the definition of hyperbolic sine, flow stress constitutive equations of T122 and T91 steels had been developed. 根据双曲线正弦函数的定义,建立了T122钢和T91钢热变形条件下流变应力双曲线本构方程的显式表达式。
- Starting from the problems arosen from commissioning and production practice, analysise the structure of flow stress model and its adaptation method. 从解决调试生产中存在的实际问题出发,对变形阻力模型的结构以及自适应方法进行分析。
- The flow stress falls down after a peak value with the increase of strain in other conditions, showing dynamic recrystallization. 而在其他条件下,应力达到峰值后随应变的增加而逐渐下降,表现出动态再结晶特征。
- The flow stress behavior,microstructure change and deformation mechanism in different temperature and strain rate were analyzed. 分析了其不同温度、不同应变速率下的流动应力、组织变化规律和变形机理。
- The results indicate that the steels exhibit transformation induced plasticity(TRIP) and twinning induced plasticity (TWIP) under flow stress. 结果表明,随着钢中锰含量的变化,实验钢在流变应力的作用下出现相变诱导塑性的TRIP效应和孪晶诱导塑性的TWIP效应。
- The adiabatic shear bands and microcracks all initiate near the inside wall and develop along the maximum shear stress curves to the outside wall of the cylinder. 破片金相分析表明,绝热剪切带和裂纹首先在圆管内壁附近产生,然后沿最大剪应力线向外壁扩展。
- During the isothermal constant strain rate compression process, the effect of deformation heating on flow stress increases with increasing equivalent strain rate. 在等温恒应变速率压缩过程中,随着等效应变速率的增大,变形热效应对流动应力的影响程度增大。