welding stress and distortion

The friction stir welding is characterized with the excellent properties of the welding joint and low welding stress and distortion , and has been applied in the aluminum alloy rolling stock of high-speed railway .

搅拌摩擦焊焊接接头性能优异，焊接应力和变形小，国外已将其用于高速列车铝合金车体制造。

Research progress of numerical simulation of three-dimensional welding stress and distortion in welding process

焊接过程三维应力变形数值模拟研究进展

New technology to control welding stress and distortion with trailing impactive rolling

随焊冲击碾压控制焊接应力变形新方法

The experimental system of multiple electromagnetic impacts was built to control welding stress and distortion during welding .

研制了新型脉冲电磁冲击电源，建立了随焊电磁冲击控制焊接应力变形的实验系统。

Study on reducing welding stress and distortion of thin plate welding with trailing peening

随焊锤击降低薄板拼焊应力变形的研究

Investigation of numerical simulation on controlling welding stress and distortion of thin aluminum alloy plate by rolling after welding

铝合金薄板焊后碾压控制焊接应力变形的数值模拟

The change of the stress and strain before and after shot peening was obtained by the simulation of shot peening based on welding stress and distortion , which showed the mechanism of the decrease of distortion after shot peening .

通过对喷丸矫正焊接变形过程的模拟，得到了喷丸前后应力应变分布的变化，合理解释了喷丸矫形的机理。

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。

Welding residual stress and distortion distributed in these welding seams have a big influence on the fatigue life and structural stability of the cutterhead .

焊缝处焊后残余应力以及变形情况对刀盘的寿命以及结构稳定性有着很大影响。

The results of test showed that vibratory submerged arc welding can reduce residual stress and distortion notably and make the grains fine .

试验结果表明，振动埋弧焊工艺能有效地降低焊接残余应力和变形，并细化晶粒。

Welding temperature field , welding residual stress distribution and structure distortion problem after welding were simulated and analyzed .

对CLAM钢焊接过程的温度场、焊后残余应力与变形情况进行了模拟分析。

The Numerical Simulation of Low Transformation Temperature Electrodes Welding Residual Stress ; Study on reducing welding stress and distortion of thin plate welding with trailing peening

低相变点焊条的焊接残余应力数值模拟随焊锤击降低薄板拼焊应力变形的研究

A cylinder product 's welding process is also simulated . The welding residual stress and distortion are successfully obtained .

将这种单元划分方案应用到实际薄壁筒体结构焊接过程的数值模拟中，对焊接过程产生的残余应力和变形进行了成功地预测。

In conclusion , doing by this way can firmly provide a basis for further research of stress and strain fields in the period of welding process . ( 4 ) The welding residual stress and distortion were also measured .

温度场的数值模拟为进一步研究焊接的应力与组织性能等奠定了基础。（4）对薄板焊接后残余应力进行了测量。

As the welding process is complex and variable , it is difficult to evaluate , even to forecast accurately the distribution of welding residual stress and distortion about the large welding joint used on ocean platform .

由于焊接过程复杂多变，因此很难通过实验的方法对大型海洋工程焊接结构的焊接残余应力分布及焊接变形做出准确的评估和预测。

The pre-stress welding technology is an effective means of technology to control welding distortion and welding stress of thin steel plates . It is a kind of new technology developed according to " Thermal Expansion " property of metal materials , metal welding stress and distortion theory .

预应力焊接技术是控制薄钢板焊接变形与焊接应力的一种有效的工艺手段，它是根据金属材料的热胀冷缩性质和金属焊接应力及变形理论而发展起来的新工艺。