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- A two-dimensional axial-symmetric finite-element model of welding residual stresses of thick-wall pipe has been proposed based on the theory of thermal-elastoplasticity. 以热-弹塑性理论为基础,建立了厚壁管环焊残余应力的二维轴对称有限元模型,利用ANSYS有限元分析软件,模拟了耐热钢厚壁管环焊对接的应力分布。
- 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。
- Using finite element program-ABAQUS,the welding residual stress of tube-to-tubesheet joint in heat exchangers had been numerically simulated. 利用有限元软件ABAQUS,对换热器管子与管板焊接残余应力进行数值模拟,获得了焊接接头残余应力的分布规律,比较了伸出角接头和内角接头的优劣。
- The successful application of explosion treatment on relieving welding residual stress in S belt of hot-blast stove in WIS(G)CO is introduced. 介绍了消除焊接残余应力爆炸处理技术在武钢高炉热风炉上的成功应用。
- Abstract :Many components of TC4 titanium alloy should be manufactured by EBW in aeronautic industry, but the researches of weld residual stress for those were few at present. 摘要：航空领域中许多钛合金构件需要采用电子束焊接加工制造，但对其焊后的残余应力分布状况，目前研究较少。
- Relier of welding residual stress by using strip-shaped dynamite has been investigated on low-carbon steel, low-alloy steel, quenched and tempered steel and autstenite steel. 用条状炸药对碳钢、低合金钢、调质钢和奥氏体不锈钢进行爆炸消除焊接残余应力试验。
- The uncertain factors in the welding residual stresses measurement by blind hole technique are analyzed with the fuzzy mathematic method to evaluated the strain release factor A and B. 摘要在分析一些引起盲孔法检测焊接残余应力测量误差的不确定因素的基础上，引入模糊数学方法对应变释放系数进行评价。
- In this paper, weld residual stress of GH536 superalloy components with EBW were measured by Mathar method. Test results showed that residual stress is low in the weld and its distribution accords with the traditional rules. 针对航空发动机GH536合金材料,采用小孔法对其电子束焊接试板的残余应力分布趋势进行测试研究,试验结果表明,焊缝区存在较低的应力峰值,且应力分布符合传统规律。
- The calculating of welding residual stress establish the base of fatigue life analysis, offers the gist for considerig the affect of welding residual stress in the design of runner. 焊接残余应力计算为后续的转轮疲劳寿命分析奠定基础,同时为转轮的设计阶段考虑焊接残余应力的影响提供依据。
- A finite element simulation was performed of the multi-pass welding residual stress of Hastelloy-C276 alloy pipes using ABAQUS software based on the welding characteristics of Hastelloy C276 alloy. 针对哈氏合金C276焊接特点,运用有限元分析软件ABAQUS,对哈氏合金C276管道多道焊残余应力进行了有限元模拟。利用单元生死技术,模拟焊缝金属的形成;利用FORTRAN语言编写子程序DFLUX,实现了移动的高斯分布热源;
- And the effect on fatigue per-formance of the welded joints treated by ultrasonic peeningfrom welding residual stress is sedied. 结果表明:焊接残余应力对超声波冲击处理后焊接接头疲劳性能的影响较小。
- The welding residual stress of the welded plate was predicted after it cooled down.The results of prediction and actual measured were contra... 最后,对冷却后的平板残余应力进行了预测,并将有限元计算结果与残余应力的实测结果进行了对比,两者吻合很好。
- The dynamic stress-strain and welding residual stress during welding are the significant factors which lead to welded cracking and debasement of the joint properties. 在焊接过程中产生的动态应力应变及随后形成的残余应力,是导致焊接裂纹和接头性能下降的重要因素。
- Test of Welding Residual Stress of Francis Runners 混流式转轮焊接残余应力的试验研究
- welding residual stress and distortion 焊接残余应力和变形
- 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 elasto-plastic 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。
- Shipping Welding Residual Stress Formation and Its Control 浅谈船舶焊接残余应力的形成与控制
- The Optimization Analysis of Weld Residual Stress for Head Conduit 压力管道焊缝残余应力的优化分析
- INFLUENCE OF MAGNETIC FIELD ORIENTATION ON WELDING RESIDUAL STRESS 外加磁场作用方向对焊接残余应力的影响
- Influence of Welding Residual Stress on the CTOD Design Curve 残余应力对焊接接头CTOD设计曲线的影响
