welding stress

AimTo heating method present by thermistor ( HMT ) to change stress in welding seam of press pipeline.

目的研究热感应法对压力管道焊缝及其热影响区内应力状态的改变.

Temperature and residual stress fields of industrial pipe discontinuous and continuous welding was simulated by ABAQUS.

应用大型有限元分析软件ABAQUS,对工业管道间断焊与连续焊的温度场和残余应力场进行数值模拟.

Welding stress and concaving deformation of man-hole of steel vessel influence directly welding quality and life of using.

钢制容器人孔的焊接应力及塌陷变形，直接影响容器的焊接质量和使用寿命。

The numerical value simulation and analysis are conducted for the welding deformation, residual welding stress and fatigue test stress of hydraulic torque converter by using the thermo-elastic plastic finite element method and etc.

采用热弹塑性有限元等方法，对液力变矩器的焊接变形、焊接残余应力和疲劳试验应力进行了数值模拟和分析。

The effectiveness of VSR ( Vibratory Stress Relieve) technique in relieving the residual welding stress on a penstock wye model ( model scale 1:5.25) is researched. The model is the biggest in our country.

本文采用振动时效法，在国内目前最大的钢岔管模型（1：5.25）上进行了消除焊接残余应力的实验研究。

Welding stress control of titanium alloy thin plate by trailing peening

钛合金薄板焊接应力的随焊锤击控制

The low melting-point eutectic films crack under the welding tensile stress caused by thermal expansion and contraction of magnesium alloy. The formation mechanism of liquefied cracks is similar to crystallization cracks.

液化裂纹的产生机理与焊缝结晶裂纹相似，即同样是在低熔点的液态薄膜的形成和焊接拉应力作用下产生。

The results shown that the different zones of butt joints have different fatigue crack propagation rate. The average load, welding residual stress and the microstructures influenced the propagating rate of fatigue crack.

结果表明，焊接接头的不同部位疲劳裂纹扩展速率不同，平均应力、焊接残余应力、金相组织对疲劳裂纹的扩展速率都有一定的影响。

Analysis on residual welding stress of extra thick steel plate

超厚钢板焊接残余应力剖析

Study on Vibrating Stress Relief of Welding Stress of Ringy Metal Structural Subassembly

营养均衡可以缓解压力金属环状结构焊接应力振动时效研究

The Distribution Law of Welding Residual Stress in Heavy Plate

厚板焊接中焊接残余应力的分布规律

New idea to control welding residual stress and distortion with trailing impactive electromagnetic force was given.

提出了基于脉冲电磁力随焊控制焊接应力及变形新方法.

The results show that during welding process the contact radius increases gradually, the highest temperature is always located at the center of the electrode tip surface, while the electrode stress and current density both concentrate at the edge of contact region.

结果表明：所考察的焊接条件下，接触半径在焊接过程中逐渐增大，电极端面的中部温度最高，而电极压力和电流密度均在接触区边缘集中。

PP material can withstand the tension stress and easy to welding.

PP材料能承受张拉应力并易焊接。

Study on Stress Concentration Resulted from Angular Deformation and Welding Butt Joints on Spherical Tanks ( I)

球罐焊缝错边及角变形引起应力集中的研究（Ⅱ）