切应变

采用高精度激光表面粗糙度外差干涉仪对工件表面的法向应变进行测量，实现在线测量转动工件切应变的目的。

The radial strain of a rotational workpiece was measured with a high-precision heterodyne interferometer for surface roughness . Then on-line measurement of the shearing strain of rotational workpieces was realized .

结果显示沟道最大等效应力与最大切应变发生在沟道次表面。

It shows that the maximum equivalent stress and the maximum shearing strain occur at the sub-surface of the raceway .

本文基于塑性变形理论，运用Taylor弛豫模型、Bishop和Hill最大功原理，对变形体心立方晶体中滑移系上的切应变分布进行了计算。

Based on the plastic deformation theory , the shear distribution in the deformed grain is calculated by using the Taylor relaxed constraint model and the Bishop Hill maximum work principle .

用下列方法能够确定切应变。

The shear strain can be determined in the following way .

真实切应变及其在等径弯曲通道变形中的应用

True Shear Strain and Its Application in Equal Channel Angular Pressing

基于电磁法的切应变检测系统的设计

Design of Shear Strain Testing System Based on Electromagnetic Testing

该文研究平面简单切变过程中切应变的计算。

The calculation of shear strain for simple plane shear deformation was investigated .

弹头侵彻高强装甲钢运动规律及弹坑周围塑性切应变分布

Description of Penetration of Projectiles into HSLA Steel Targets and Shear Strain Distribution

论环境流场切应变率对台风移动的作用

On the role of shear strain rate of an environmental flow in typhoon propagation

圆筒弯扭组合变形中弯曲切应变的测量误差分析

Analysis of Measurement Error on Bending Shear Strain in a Cylinder under Bending and Torsion

切应变会增加平面内的自发极化但是降低了平面外自发极化。

In-plane shear strain increases the in-plane spontaneous polarization but reduces the out-of-plane spontaneous polarization .

利用浅水波正压模式研究了环境流场切应变率对台风移动的影响。

The role of shear strain rate of an environmental flow in typhoon propagation is investigated using a shallow water model .

从无穷小变形条件下应变的定义出发，提出了大变形时真实切应变的概念。

A new concept for large strain - true shear strain - was proposed based on the definition of strain at infinitesimal deformation .

而偏量部分的剪切作用以切应变的响应效果表现为聚合物的宏观几何形状变化。

And the macroscopic shape change of polymer is produced by the shear effects resulting from deviatoric stress tensor showing as responds of strain .

对切应变主轴不变的平面简单切变过程，通过无穷小应变的积分，导出了真实切应变计算公式。

An equation for the calculation of true shear strain was derived from the integration of infinitesimal shear strain in plane shearing process with constant principal shear strain direction .

但是，在研究变形程度对金属组织和性能的影响时，习惯上主要考虑了线应变，而未考虑切应变。

But conventionally , strains ( tensile and compressive strains ), not shear strains , are taken into consideration when the influence of deformability on metal structure and behaviours is studied .

通过多轴比例、非比例加载试验验证权值平均最大切应变平面与疲劳裂纹萌生平面的相关性。

The proposed algorithm is applied to the multiaxial in - and out-of-phase experiments to assess the correlation between the weight-averaged maximum shear strain direction and the position of the experimental fatigue crack initiation plane .

在分析材料平面切应变特性的基础上，提出权值平均最大切应变平面的概念，给出多轴随机载荷下断裂平面的确定方法。

The concept of weight-averaged maximum shear strain plane is proposed on basis of analyzing characteristics of shear strain on material planes . A procedure is presented to determine the fraction plane under multiaxial random loading .

该方法中，以材料损伤为权值函数，平均最大切应变峰值点对应的平面方向。

The angle values of the planes that experience peak values of maximum shear strains are averaged by employing the weight function , which is assumed to take into account the main factors of influencing the fatigue behavior , e.g. fatigue damage .

运用地质综合分析预测、切应变预测两种方法对雪峰山隧道的大变形问题进行了预测，预测结果表明，雪峰山隧道不会出现大变形问题。

The predicting of large deformation in the tunnel has been given by using of two effective measures of forecasting-geological and complex forecast method and tangential strain predicting method . The result is that the probability of large deformation in this tunnel is non-existent .

以圆筒塑性区中的切向应变代替相当应变，求卸压过程应力变化及内压-外表面应变关系的解。

The equivalent strain in the cylinder plastic region is replaced by the circumferential strain .

一般情况下，模型栅格的变形是轴向应变和切向应变的组合。

In general , the deformation of the model grille is a combination of axial and shear strains .

切向应变、截面畸变和回弹模拟结果与试验结果基本吻合，说明上述夹钳等效模型可行，为后续工艺参数优化提供了基础。

So it is shown that the proposed equivalent model is feasible and lays the groundwork for future optimization of process parameters .

随着弯曲角度的增大，弯管三向应变均增大，但周向应变增幅小于切向应变与厚向应变的增幅；

With the bending angle increasing , the tangential , normal and hoop strain increase , but the increasing amplitude of hoop strain is smaller than the others .

通过对挤出翻边成形过程的数值模拟，分析了切向应变和凸起部高度等参数随挤出行程的变化规律。

Through the numerical simulation of extruding-burring process , factors such as the variation regulation of tangential strain and height of central boss with extruding stroke were analyzed .

在对三个区域的切向应变作了较为详细的分析讨论后，提出了应变中性层虽向内移动，但其内移量在各径向剖面内是不相等的这一说法。

Through analyzing tangential strain of three areas , it found out that neutral layer of strain move entad , but the displacement is not equal in each radial section .

切向应变主要表现为环向挤压，且其应变大小随半径增大迅速衰减，随时间增长呈指数增大。

The pumping induced tangential strain mainly displays compression property , its magnitude decays rapidly along with radius from the well increasing , and increases exponentially along with pumping time increasing .

薄壁管小弯曲半径数控弯曲成形中，周向应变不可忽略，其值最大可达最大切向应变的1/3；

In the NC bending process of thin-walled tube with small bending radius , the maximal hoop strain can reach 1 / 3 of the tangential strain and can not be neglected .

前期研究发现，曲面曲线翻边变形区的切向应变状态主要受到弯曲曲率半径和翻边曲率半径两个参数的共同影响。

The preliminary study found that , for surface curved flanging , the stress-strain state of the deformed area is determined by two parameters : the radius of flanging and the bending radius .

切削参数变化对切屑断裂应变的影响

Effect of Cutting Parameters on Chip Fracture Strain