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1)  flow stress deformation model
流动应力-应变模型
2)  flow stress model
流变应力模型
1.
A flow stress model has been build with activation energy of 177.
根据试验数据建立了Ti-1300合金高温热变形行为的流变应力模型,得出该合金的变形激活能为177。
3)  Flow Stress Model
流动应力模型
1.
In this paper the flow stress model of ANSI 1043 at room temperature has been got by an experimental method and an interpolation method respectively, then the two models have been used in the research of upsetting process.
分别采用实验和插值的方法获得ANSI 1 0 4 3钢在室温下的流动应力模型 ,然后利用两种模型对简单的镦粗过程进行研究 ,研究结果表明精确的流动应力模型是提高金属材料有限元仿真精度的先决条件 ,目前有限元仿真中利用插值的方法推算变形材料在不同温度范围内的流动应力模型是不科学的 ,会严重影响有限元仿真的精度。
2.
Therefore, based on understanding of deformation mechanism, to establish accurately the microstructure and flow stress models, which reflects the influence of microstructure evolution on the flow stre.
因此,在正确理解金属塑性变形机理的基础上,建立精确的微观组织模型和反映微观组织参数影响的流动应力模型是实现材料变形过程的变形-传热-微观组织耦合数值模拟的基础,而且对于揭示金属塑性成形规律,优化工艺参数,提高产品质量及性能,促进先进塑性加工技术的发展具有重要意义。
4)  stress-strain model
应力-应变模型
1.
In order to properly understand the mathematical model of stress-strain relationships of frozen soil,strength index is defined and employed to establish mathematical property sets of two traditional stress-strain models,namely hyperbolic model and exponential model.
方法引入强度因子的概念,建立模型特征方程对传统双曲线和指数曲线应力-应变模型的数学局限性进行分析。
2.
Based on the stress-strain models of the core concrete and the steel,the calculation method of the critical load of the axial-loaded composite columns was established through the longitudinal strain compatibility and force equilibrium condition.
以核芯混凝土、方钢管和钢骨的应力-应变模型为基础,通过纵向变形协调和内外力平衡条件建立组合柱切线模量临界载荷的计算方法。
3.
Several typical stress-strain models of FRP-confined concrete column are summarized in this paper,and it is pointed out that the behavior of FRP-confined concrete column is mainly related to the lateral confinement of FRP to concrete column by the analysis of a large number of experimental results,so the confinement effect coeffficientξis introduced.
本文系统总结了现有的几种FRP约束混凝土柱应力-应变模型,通过对已有大量试验研究结果的分析,指出FRP约束圆形混凝土柱的性能主要取决于FRP对混凝土柱的约束效果,引入约束效应系数ξ。
5)  stress-strain model
应力应变模型
1.
Based on the stress-strain curves for confined concrete picked up in the axial compression experiments,the gray optimization and data transformation were employed to establish a stress-strain model.
采用灰色优化和数据变换理论,建立了T形柱中约束混凝土应力应变模型。
6)  unitary flow stress model
高温整体流变应力模型
补充资料:动态应力-应变曲线
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性质: 在具有强迫正弦振荡的动态试验中,让黏弹性体作稳定振动,以力对变形作图,在十个周期中的轨迹为一封闭曲线,称之为动态应力-应变曲线。动态试验的结果取决于试验条件:试样形状、形变方式、应变振幅、应变历程、频率和温度。从动态应力-应变曲线可以求得黏弹性体的许多动态力学性能,如从封闭曲线面积可以求得在一个周期内材料内部的发热量。

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