The magnetic signals were hardly varied during elastic and plastic deformation periods but changed after fracture rapidly.
试件拉伸过程中塑性变形阶段内磁信号无较大数值变化，断裂后信号突变。
We found: the samples experience elastic and plastic deformation processes before fracture, and the elastic strain is very large, it is about 2%.
结果表明：该合金的室温压缩变形过程表现为弹性和塑性变形，弹性应变很大，可达到2%。
Establish finite element model, and use elastic - plastic mechanics to discuss stress-stain state of elastic and plastic deformation in cutting zone.
根据正交切削特点建立了有限元模型，应用弹塑性力学讨论了切削变形区的弹、塑性阶段的应力、应变状态。
The total deformation of soils consists of three parts: elastic strain, plastic strain related to volumetric yielding mechanism and plastic strain related to shear yielding mechanism.
土体总的变形由三部分组成：即弹性应变、与体积屈服机制相关的塑性应变和与剪切屈服机制相关的塑性应变。
The paper has studied straightening stress and residual deformation of circular shaft by using elastic - plastic theory, deueloped calculation formula of straightening loud in given deflection error.
从弹塑性理论出发以圆截面轴为例对校正应力与残余变形进行了分析研究，提出了在给定弯曲误差下的校正载荷的计算公式。
Fracture surface consists of plastic yield deformation area and elastic deformation area.
断口主要分为塑性屈服变形区和弹性变形区两部分。
Because of the excellent hardness and elastic module of diamond, it is difficult to get plastic deformation when sintering.
由于金刚石的硬度与弹性模量极高，在烧结时很难发生塑性变形。
As the material is deformed beyond the strain that elastic deformation persists, the stress is no longer proportional to strain, and permanent, nonrecoverable, or plastic deformation occurs.
当材料的形变超出弹性形变发生的范围，其应力将不再与应变成正比，永久的、不可回复的形变发生，即为塑性形变。
Whole weldment includes practically elastic deformation zone, compressive plastic deformation zone, tensile plastic deformation zone and melting pool.
整个焊接板由弹性变形区、压缩塑性变形区、拉伸塑性变形区和熔池组成。
Thermal-elastic-plastic and inherent strains FE methods are two means, which have been applied to the prediction of welding deformation.
热弹塑性有限元法和固有应变法是焊接变形预测的两种主要数值方法。
It is shown that the hourglass modes can be controlled in the computation of large elastic plastic deformation by introducing the hourglass strains and the corresponding stresses.
通过引入沙漏应变和沙漏应力的方法来控制弹塑性大变形中的沙漏现象。
A potential energy-threshold method was introduced to control the transformation from elastic deformation to plastic deformation and the turning degree of blush.
提出势能-阈值方法以灵活控制毛笔形变的弹塑性转化及扭转程度。
The spinning process of splitting V type belt wheel involves movement of multi-body and couple of elastic-plastic deformation.
型劈开式皮带轮的旋压剖分成形过程涉及多体运动以及弹、塑性多变形模式的耦合。
The finite strip method in structural analysis has been extended, and elastic-plastic large deformation spline finite strip method based on the Updated-Lagrange method (U.
拓展了结构分析有限条法，基于固体力学有限形变理论的更新拉格朗日法（U 。
The analysis and contrast of deformation pattern, state of stress, plastic deformation history, plastic limit load and limit load of elastic buckling are analyzed and contrasted.
最后对三种结构型式的拱顶储罐的变形方式、应力状态、塑性变形历史、塑性极限压力、弹性失稳临界压力进行了分析与对比。
Metal plastic deforming process is a kind of quite complex and large elastic-plastic deformation process.
金属塑性加工的变形过程是一个非常复杂的弹塑性大变形过程。
In the classical theory of plasticity strain is separated into elastic and plastic components, but this approach cannot deal satisfactorily with the soil deformation.
经典塑性理论把应变分成弹性应变及塑性应变两部分，不能圆满说明土的塑性变形性质。
This technology keeps the casing in an elastic state in the whole thermal recovery process without plastic deformation taking place, and thus resolves the problem of thermal casing failure.
该技术可使套管在整个开采过程中一直处于弹性状态，不发生塑性变形，从而解决了套管热破坏问题。
Generally its bearing capacity and deformation modulus cannot be determined by the physical parameters or by the method of elastic - plastic theoretical models.
它一般不能用物理指标或弹性塑性理论模型方法确定其承载力与变形模量。
Three-dimensional rigid-plastic finite elements, elastic finite elements and influential function method for the analysis of deformation of rolls system are combined.
它耦合了三维刚塑性有限元法，弹性有限元法和计算辊系变形的影响函数方法。
The elastic plastic deformation and stresses of the micro composite are studied according to the shear lag theory and strain-hardening law.
按剪滞理论和应变硬化规律研究微复合材料的弹塑性变形和应力状态。
Based on the curve of mill elastic deformation and the curve of strip plastic deformation, the influence of some factors on the strip exit gauge is analyzed.
以轧机的弹跳方程为基础，结合轧机的弹跳方程曲线和轧件的塑性曲线分析了各种干扰因素对轧件出口厚度的影响。
Both shot peening and contact rolling belong to the cyclic elastic-plastic deformation process under the action of Hertz stress.
喷丸过程和随后的接触疲劳滚压过程同属在赫兹应力作用下的循环弹塑性应变过程。
The resilient deformation in roof hood stampings of automotive cabs has been calculated by means of engineering elastic and plastic mechanics method.
采用了工程弹塑性力学的方法对汽车驾驶室顶盖的回弹进行了计算。
The plastic deformation propagation speeds of steels are determined by using photo-elastic coating and high speed photography method.
本文引入金属塑性变形传播概念，利用光弹法测定了两种钢的塑性变形传播速度。
For plastic concrete, due to its stronger adherence to sand and stone base and its lower elastic modulus, and its better deformation performance, it is used in cutoff wall.
塑性混凝土与砂石地基结合性好，弹性模量低，用作防渗墙具有较好的变形性能。
The sliding contacts of gradient layers, sandwich layers and ordinary multi-layers coatings subjected to the same surface load have been investigated under elastic-plastic deformation in this paper.
本文研究梯度层、三明治层及普通多层膜覆层体受相同表面载荷滑动接触作用下的弹塑性变形情况。
The respective linear and nonlinear model parameters are determined according to these isochrones' elastic-plastic deformation segment.
分别根据该曲线的弹、塑性变形段确定相应的线性、非线性模型参数。
There is sudden change of slope in the stress-strain curve, because the core response in loading and unloading is entirely elastic, while the aluminum undergoes elastic-plastic deformation.
由于在拉伸过程中复合芯只表现出弹性变化，而铝绞线要发生弹塑性变形，使导线的应力应变曲线上存在斜率的突然变化；
There is sudden change of slope in the stress-strain curve, because the core response in loading and unloading is entirely elastic, while the aluminum undergoes elastic-plastic deformation.
由于在拉伸过程中复合芯只表现出弹性变化，而铝绞线要发生弹塑性变形，使导线的应力应变曲线上存在斜率的突然变化；
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