The paper discusses over the influence exerted by welding residual stress on the static strength, brittle fracture and stress-corrosion cracking of metal structure.
本文介绍了焊接残余应力对金属结构的静强度、脆性断裂以及应力腐蚀开裂的影响。
Effects of relieving residual welding stress with different heat treatment methods were studied by the method of drilling little holes.
采用小孔法测定了不同热处理方法消除焊接残余应力的效果。
The studying results indicate that the magnitude and distribution of residual stress are related to the heat input created by welding process and to the cross section geometry.
分析结果表明，厚板焊接工形截面残余应力的大小及分布，除了与焊接输入热量有关外，尚与截面几何尺寸有关。
Comparing the results of the welding residual stresses at outer surface of beryllium ring by FEM to that from X ray stress measurement, the stress trend is identical.
对铍环外表面钎缝附近焊接残余应力进行X射线应力测试，并与有限元分析结果对比，二者应力变化趋势基本一致。
The whole process of the relief of the welding residual stress through an explosive treatment is simulated by using the nonlinear dynamic finite element method.
利用非线性动力有限元法对爆炸处理消除焊接接头残余应力的全过程进行了数值模拟。
Affected by the geometry of box-section, the residual stress distribution of plate with welding passes is different from that of another plate.
受厚板截面本身的几何形状所影响，箱形截面有焊缝一侧壁板与另一侧壁板残余应力分布及大小有明显的不同。
The frame material and the welding procedure can be set according to the pre-judgement carried out by combining the CAE analysis with the residual stress distribution before welding.
在进行跑车试验前，先检查焊接质量，如焊接接头所包括的焊缝、熔合区和热影响区等，以设定整个工艺流程；
In this paper, welding residual stress vertical to welding seam in LY12 armour aluminum alloy was measured by hole-drilling and electrical-measurement method.
采用钻孔_电测法对LY 12铝合金垂直于焊缝方向的焊接残余应力及其分布规律、产生的原因进行了分析，探讨了残余应力的消除措施。
Temperature and residual stress fields of industrial pipe discontinuous and continuous butt 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。
The residual stress tests were conducted on different weld structures of repaired pipelines by drill-hole method in order to investigate the influence of welding repair on pipeline integrity.
为了解管道修复中焊接残余应力对管道完整性的影响，用钻孔法分别测试了打孔管道的不同焊接修复结构的残余应力，并和管道螺旋焊缝处的残余应力进行了对比。
The results indicate that the shapes and positions of the CTOD design curve are greatly affected by the welding residual stress and the strength mis-matching.
结果表明，强度组配和残余应力对CTOD设计曲线具有明显的影响；
Temperature field and residual stress field of orthogonal structure under normal welding and in-service welding condition were simulated by FEM.
运用有限元方法对正交接管结构在常规焊接和在线焊接条件下的温度场和残余应力场进行了数值模拟。
A coupling calculation method for welding stress was developed by ABAQUS code. The residual stress for welded joint of P91 steel was simulated by the method above.
本文基于大型有限元软件ABAQUS，开发了一个顺次耦合的焊接应力计算程序，对P 91钢焊接接头的残余应力场进行了模拟。
In this paper the effect of strength matching of welded joint on welding residual stress distribution in plate welded joints was studied by an thermal elastoplastic finite element method.
采用热弹塑性有限元方法，对平板对接接头中焊缝金属强度组配对焊接残余应力分布的影响进行了研究。结果表明，对于高组配接头，纵向残余应力的峰值接近焊缝金属的屈服极限，出现在焊缝中心。
In this paper the effect of strength matching of welded joint on welding residual stress distribution in plate welded joints was studied by an thermal elastoplastic finite element method.
采用热弹塑性有限元方法，对平板对接接头中焊缝金属强度组配对焊接残余应力分布的影响进行了研究。结果表明，对于高组配接头，纵向残余应力的峰值接近焊缝金属的屈服极限，出现在焊缝中心。
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