The hull structure is a typical welded structure . The welding is a extremely process of the high temperature the dynamic state and the instantaneous state . and also produce the welding stress and deformation .

船体结构属于一种典型的焊接结构，而焊接则是个极其复杂的高温、动态、瞬时过程，船体结构在焊接过程中不可避免地会产生 焊接 应 力和变形。

Application of reduced welding stress construction in four feet crane mast of crane ship

减少 焊接 结构 件 拘束 应 力在吊重船四脚起重桅中的应用

This paper has analysed the features formation and patulous factors of the cracking in the large steel storage tanks discussed the mechanism of stress corrosion cracks which is considered being related to H 2S and welding stress .

析了大型钢制球罐裂纹的性质、形成和扩展的有关因素，讨论了球罐应力腐蚀的损伤机理，应力腐蚀开裂是与H2S的质量分数和 焊接 应 力等因素有关。

Efficient calculation technologies for welding stress and deformation with nonlinear and gradient character

焊接非线性大梯度 应 力变形的高效计算技术

Influence of hole-side plastic deformation on the accuracy of residual welding stress measurement

孔边塑性变形对测定 焊接残余 应 力精度的影响

Calculation of welding stress and deformation includes geometrical nonlinear problem and material nonlinear problem .

焊接 应 力和变形的计算中既有大应变、大变形等几何非线性问题又有弹塑性变形等材料非线性问题。

Besides the welding stress and wicked water accelerate the crack growth .

同时， 焊接 应 力的存在和水质不良加速了裂纹的扩展。

Study on Welding Stress and Deformation Behavior of Complicated Aluminum Alloy Structure

复杂铝合金结构 焊接 应 力与变形行为研究

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。

Research and application for Hawking welding stress relief equipment

豪克能消除 焊接 应 力设备的研究与应用

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

The welding stress and deformation makes the strength and toughness of the hull structure decreased and also makes the stress corrosion cracking of the welding spot which leads to unfavorable influence on fracture characteristics fatigue strength form and dimensional precision of structure .

焊接 应 力和变形使得船体构件的强度、韧性下降，并且能导致焊接部位产生应力腐蚀开裂，对结构的断裂特性、疲劳强度和形状尺寸精度产生极为不利的影响。

Numerical Simulation Research on Welding Stress and Deformation

焊接 应 力和变形的数值模拟研究

Both the welding stress field and the especial behavior of mechanics must be considered to improve predicted accuracy of the remnant stress in TWBW forming .

应考虑 焊接 应 力场和拼焊板特有的力学行为和规律，提高对成形应力与残余应力预测结果的精度；

At present the method of measuring residual welding stress with X-ray is still in study .

用X射线法测定 焊接残余 应 力，目前仍处于研究阶段。

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

The Formation of Boiler Welding Stress and the Way to Reduce and Eliminate

锅炉 焊接 应 力形成以及减少与消除的方法

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。

For welding the extra thick plate of low alloy high strength steel due to the influence of welding stress it relatively difficulty for controlling the defect and deformation .

低合金高强钢特厚板的焊接，由于 焊接 应 力的影响，在控制缺陷和变形方面都比较困难。

As a result some suggestions about the control of the welding stress on the process of patch weld are put forward .

并对补焊过程中 焊接 应 力的控制提出建议。

Controlling Welding Stress Deformation and Hot Cracking of Aluminum Alloy Thin Plates by Welding with Trailing Rotating Extrusion

随焊旋转挤压控制铝合金薄板 焊接 应 力变形及防热裂研究

By increasing the weld heat input the distribution of martensite becomes more dispersive and glomerate due to the molten pool stiring the welding stress and the burning loss of alloy elements .

随着焊接热输入量的增加，由于熔池搅拌、 焊接 应 力、合金元素烧损等原因，马氏体的分布更加散乱和密集；

These methods can be helpful to reduce or control the welding stress in the structure of port crane .

这些工艺、方法的正确运用有助于控制港口起重机的主要结构 件 的 焊接 应 力。

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。

This paper gives a thorough introduction to the replacing procedure such as removing wear plate and welding new plate with the emphasis on the welding sequence welding process and the control measure against the welding stress and deformation .

就更换过程中旧板拆除、新板组焊等施工过程作了全面介绍，重点探讨了焊接顺序、焊接工艺方法及 焊接 应 力和变形的控制措施。

The welding stress field the distortion and the plastic strain distribution were obtained . The plastic strain distribution provided a basis for the determination of shot peening area .

通过 焊接模拟，得到了 焊接 应 力场、变形及塑性应变的分布，塑性应变的分布为矫形过程喷丸区域的选择提供依据。

Measurement of Residual Welding Stress by Magnetic and Mathar Methods and Discussion

焊缝残余 应 力的磁性法和盲孔法测试及讨论

Numerical simulation of the temperature field distribution for hot-wire TIG welding process not only provides the premise of analyzing welding metallurgy welding stress and strain and others but also offer some key data and important theoretical evidence to the process optimization and intelligent control of welding process .

热丝TIG焊温度场的数值模拟不但为焊接冶金分析、 焊接 应 力应变分析等提供了前提，而且为焊接工艺优化设计和焊接过程的智能控制提供关键的基础数据和重要的理论依据。

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。

The Special instruments to eliminate welding stress high-precision machining planer ensure the precision and no deformation .

专用仪器消除 焊接 应 力，高精度刨床加工，不变形、精度有保证。