通过对焊接接头的力学性能和金相组织分析比较，证明该钢具有良好的焊接适应性。
The tested results show that the steel has good welding adaptability through analyzing the mechanical properties and metallurgical structures of the welded joints.
通过对13 -5型马氏体不锈钢焊接接头进行等离子弧清根及碳弧气刨清根的比较，证明等离子弧清根对全焊透焊缝实施背面清根是可行的。
By comparing backgouging of plasma arc with carbon arc to the welded joint of 13-5 martensitic stainless steel, the backgouging of plasma arc is proved feasible for the full penetration weld.
通过对焊接接头的硬度检测，发现熔合区硬度下降，焊缝区略有上升。
The hardness tests on welding joints prove this by showing that the hardness reduces in fusion area, and increases slightly in weld zone.
通过硬度试验、冲击试验、断口扫描和金相组织观察，研究了T92钢焊接接头的韧性与组织的关系。
Through hardness test, impacting test, SEM of failure surface and microstructure observation, the relationship between the toughness and its microstructure of welding joint of T92 steel was studied.
通过金相技术、力学性能试验和SEM技术研究了6061-T6铝合金真空电子束焊接接头的金相组织、力学性能和断口形貌特征。
The metallurgical structures, mechanical properties and fractographs of EB welded 6061-T6 aluminum alloy joint were studied by means of metallography, mechanical test and SEM technology.
通过对焊接接头的力学性能检验、微观组织观察和分析，证明了该焊接工艺的可行性。
The mechanical property of weld joint was tested and the microstructure was analysed, the welding process was proved feasible.
通过优化搭接焊形式能提高焊接接头的最大剪切力。
The maximum shear strength of welded joints can be increased by optimizing the form of lap welding.
通过对焊接接头组织的分析，发现焊核区晶粒为明显的细化再结晶等轴晶；
The microstructure of the welded joints was studied by optical microscopy. It is found that the weld nugget has a dynamic recrystallization, fine isometric crystal structure.
整个焊接接头要通过根焊、填充焊和盖面焊来完成，通过试验分析得到各焊道所对应的焊接工艺参数。
The welded joint was completed by root welding, filling welding and cover welding, their welding parameters were obtained from the experimental analysis.
通过焊缝金属相变温度和残余应力测试以及焊接接头疲劳强度试验，分析了焊缝金属相变温度对焊接残余应力和焊接接头疲劳强度的影响规律。
The effect of transformation temperature of weld metal on the residual stresses and the fatigue strength of welded joints is analyzed based on their test.
其次通过对焊接接头质量影响因素的探讨，表明端板和焊缝对保证接头质量的重要性。
The influences on joint quality are also discussed, it is testified that importance of end-pla.
通过分析焊接接头组织和力学性能，表明与辙叉母材的性能基本一致，能够满足使用要求。
The welding metal can form granular bainite structure and mechanics property of welding joints is consistent with the parent metal. The result shows that this welding electrode can meet the need.
通过考虑材料微观塑性损伤，定量研究了焊接接头中强度匹配、试件几何形状对接头抗延性裂纹扩展行为的影响。
The effects of strength mis-matching and specimen geometry on the resistance behavior to ductile crack growth for welded joint were conducted by 3-D FE analysis considering the micro-plastic damage.
通过对焊接接头的综合力学性能研究，确定正确的焊接工艺评定。
Studying the weld joint's comprehensive mechanical properties, establish the correct welding process evaluation.
结果表明 ，激光脉宽是影响焊接接头性能的主要工艺参数 ，通过控制激光脉冲宽度可以获得高质量的镁合金焊接接头。
The results showed that the pulse width was the main parameter affecting properties on the joint and the high quality joint can be obtained by controlling the pulse width.
通过拉伸实验、金相分析和显微硬度测试，研究了焊接接头力学性能与工艺参数之间的关系。
Tensile tests, metallographic analyses and micro-Vickers tests were carried out to evaluate the mechanical properties of the joints as a function of the process parameters.
通过杀死焊接接头有限元模型中相应位置的单元，模拟存在的几何缺陷。
Geometric flaws were simulated by killing the specified elements of a finite element model of joint.
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.
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