此文对利用塑性介质挤胀成形三通管接头变形力进行了实验研究。
In this paper, an experimental research on extrude-bulge forming of tee junction using plastic medium has been conducted.
本文对扣件式钢管脚手架杆件接头型式问题，从承载能力，受荷变形方面进行了试验和分析。
This article discusses the joint-types of buckle-type steel tubular scaffold, and analyzes the experiments with load-bearing capacity and load deformation.
依据受力与变形理论较为精确地给出了搭接接头侧面角焊缝中的剪应力分布规律。
According to the theory of bearing forces and deformations this paper gives distribution laws of the shearing stresses in the side fille welds of overlap connection with comparative accuracy.
研究表明，T形接头的角变形沿焊缝长度方向是变化的。
Study showed that angle deformation of T joint is changed along the welded seam length.
研究了影响冻结井预制弧板井壁变形特性的接头刚度。
Studied the joint rigidity which affects deformation characteristics of prefabricated arc board of freezing well.
接头延伸率的改善同热影响区冷变形程度的减弱及焊缝强度、应力水平同母材趋于一致有很大关系。
Improvement of elongation of joint is related to weaker cool deformation degree of heat affect zone (HAZ) and uniformity of strength and stress level between weld and base metal.
缓冲层塑性变形愈大，接头强度愈高。
The larger the plastic deformation of the buffer layer, the higher the joint strength.
依据受力与变形理论，较为精确地给出了搭接接头侧面角焊缝中的剪应力分布规律。
According to the theory of bearing forces and deformations, this paper gives distribution laws of the shearing stresses in the side fille welds of overlap connection with comparative accuracy.
扩散焊焊接中的塑性变形条件对接头性能有很大影响，目前对其影响规律缺乏系统认识。
Plastic deformation conditions have great influence on the diffusion bonded joint, but there was little knowledge about its rule.
制造过程的中关键在于控制构件焊接质量和焊接变形，从而保证钢箱梁的接头质量和钢箱梁的尺寸。
The key of manufacture is controlling the welding quality and the welding deformations of the steel components to assure the junction quality and the dimensions of the steel beam.
原有传爆接头已不适应壳体大变形的需要，需采取措施改进接头性能。
The old joint can' t meet the demand of big shell distortion, and the performance of joint should be improved.
运用固有应变法研究了六个固有应变分量分别对搭接接头焊接角变形的影响。
The effect of each inherent strain component on the angular distortion of the lap joint is studied using inherent strain method.
利用有限元法计算了考虑衬砌接头和不考虑衬砌接头两种情况下衬砌的内力和衬砌的变形。
Finite Element Method is used to calculate the maximum bending moment and axial force of lining and its deformation.
焊接接头的塑性变形试验在油压机上进行，变形过程中采用了双保温措施。
Experiment of plastic deformation is done on press and double heat preservation measure is used during plastic deformation.
在使用时，必须固定支撑NF 3钢瓶，以防止移动和接头的变形。
NF3 cylinders must be securely supported while in use to prevent movement and straining of connections.
采用塑性变形理论和刚粘塑性材料模型研究了直流电阻对焊接头的塑性变形。
The joint deformation of DC upset butt welding was studied by using theory of plastic deformation and rigid-viscosity plastic material model.
通常，影响焊接接头性能的力学因素有焊接缺陷、接头形状的不连续性、焊接残余应力以及焊接变形。
The mechanical factors for the property of welding joint are welding defects, discontinuity of joint shape, welding residual stress and welding distortion.
以T形焊接接头为算例，结合热弹塑性有限元法和映射应变分量法，研究了角焊缝角变形的产生机制。
The conception of deformation angle of helix pre-former is introduced and process parameters are analyzed with math regression method.
采用有限元法对低匹配条件下x 80钢级管线钢焊接接头的变形能力进行了研究。
The deformability of under-matched X80 grade pipeline steel welding joint was studied through Finite Element Method.
结果表明：在役焊接接头残余应力分布规律与常规焊接保持一致，符合管道焊接接头“内凸外凹”的变形机理，但在数值上差别较大。
Results show that distribution regularity of residual stress of in-service keeps coherent with routine welding, which measures up deformation mechanism of welding, but numeric value is different.
本文应用弹塑性弯曲理论提出了一种消除焊接对接接头角变形的平面外拘束力的计算方法，计算了极限拘束力、拘束长度和反变形的量值，并通过试验验证了方法的有效性。
By the theory of elastoplastic bend, this paper prowents a method to calculate out - of -- plane restraint and reverse deformation that are made use of to remove angle deformation in butt joints.
本试验首次采用再结晶显示金属内塑性变形区的方法观察分析了焊接接头中冷裂纹产生的塑性变形区域。
In this investigation recrystallization in metals was first used to study the plastically - deformed zone induced by cold cracking in welds.
结果表明：焊接接头横截面宏观结构特征表现为焊核区的“洋葱环”和热-机械影响区的塑性流线变形，洋葱环的环间距随着距焊缝中心距离的增大而减小；
The experiment result shows that the spacing of onion rings, which is the most prominent features of most friction stir welds, decreases with the distance of onion ring to centerline increasing .
在本试验条件下采用YAG激光焊接工艺能够成功的实现变形镁合金az31b的连接，接头强度可达母材的95 %。
Under the condition of this experiment, the wrought magnesium alloy AZ31B could be jointed successfully by YAG laser welding process and the joint strength was up to 95% of the based metal.
结果表明，当焊接工艺参数合适时，可以获得表面成形良好、无变形的铝合金与钢的对接接头和搭接接头。
The results shown that a deformation-free joint with good weld surface appearance can be obtained with suitable welding conditions for butt-joint and lap-joint of the dissimilar materials.
本文重点分析了多个T形接头焊接的工艺试验结果，通过对试验数据的分析，得出了对T形接头焊接构件的横向变形的经验公式。
This paper studied mainly multi-T joint test data. By analysis test data, gave experience equation for transverse distortion of T-joint welding structure.
试验采用钨极氩弧焊对接焊形式对BT 20钛合金施焊；焊接接头的塑性变形试验在油压机上进行，变形过程中采用了双保温措施。
BT20 titanium alloy is welded with butt welding on GTAW machine... Experiment of plastic deformation is done on press and double heat preservation measure is used during plastic deformation.
由于焊接热输入可大大降低，因此会改善焊接接头组织和减少应力变形。厚板焊接时可大幅度提高生产率。
Since the welding stress and welding deformation can be reduced when welding with A-TIG welding, and the production efficiency will remarkably be enhanced for welding thick plate.
首先，本文采用数值计算的方法，对同种坡口形式的焊接接头进行了不同焊接工艺参数的残余应力及变形的分析研究。
Firstly, in the way of numerical calculation, analytical study on residual stress and deformation of different welding parameter which on same groove type's welded splice.
首先，本文采用数值计算的方法，对同种坡口形式的焊接接头进行了不同焊接工艺参数的残余应力及变形的分析研究。
Firstly, in the way of numerical calculation, analytical study on residual stress and deformation of different welding parameter which on same groove type's welded splice.
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