采用电子万能试验机测试钛金属激光焊接头的力学性能。
Mechanical properties of pure titanium laser welded joint were tested by universal testing machine.
对1420铝锂合金、BT20钛合金薄板及其激光焊接头的耐腐蚀性进行了研究。
Salt spray test on Al-Li alloy 1420, BT20 titanium alloy and their laser-welded joints was carried out.
结论：合适的激光功率是取得理想激光焊接接头的关键。
CONCLUSION: the optimal laser irradiation power was the key to achieved superior mechanical properties joints.
在多种板厚条件下获得了良好的激光填丝和激光电弧复合焊接接头。
Satisfied laser wire welded joints and laser-arc hybrid welded joints were obtained at several plate thicknesses.
为推动激光-电弧复合焊接的工程应用，对其接头间隙桥接能力进行了系统研究。
For the industrial application of laser-arc hybrid welding, the groove gap bridging ability of this process was investigated in detail.
进一步分析发现激光功率对接头强度的影响最大，焊接速度的影响仅次于激光功率，离焦量的影响最小。
And it is observed that laser power is the ultimate affection of joint strength, the defocusing amount is the weak influence, and the welding speed between the former affection factor.
研究结果表明，连续激光氦气双面保护可以获得保护效果可靠、无缺陷、成型良好的焊接接头。
The results indicate that defect free joints with excellent appearance could be acquired by continuous laser welding with flowing helium from top and back sides.
激光-电弧复合热源焊接具有高速、高效、接头质量优异等特点，目前正在被国内外的研究者日益关注。
The laser-TIG hybrid welding technique, with the characteristics of high welding speed, high efficiency and quality, is being paid more attention by the domestic and foreign researchers.
介绍了激光焊的原理、接头形式、接头的间隙要求、焊接过程的控制及其在车身制造中的应用。
This paper presents laser welding, its principle, forms of welding joints, allowable clearance between welding joints, control of welding process and its application to the body manufacturing, etc.
利用x射线衍射分析和扫描电镜，研究了金刚石锯片激光焊接接头的成分和组织，并测试了接头的力学性能。
The composition and microstructure of the diamond saw blade joint welded by laser welding were studied using X ray diffraction and SEM, and the mechanical properties of welded joint were measured.
超细晶粒钢激光焊接接头粗晶区有较好的韧性。
The coarse grain zones of laser welded joint of super fine grain steel show good toughness.
激光胶接焊接头的抗剥离力远大于胶接接头的抗剥离力。
The peel force of LWB joint is far greater than that of adhesive bonded joint.
研究了二氧化碳激光焊接工艺条件对锆-4合金接头质量的影响。
The paper introduce the influence of co 2 laser welding process condition on welding joint quality of Zr 4 alloy.
试验结果表明，镀锌板的激光剪裁拼焊接头性能符合实际使用要求，在同一台激光加工设备上实现镀锌板的激光切割剪裁后再直接进行激光拼焊的工艺方法是可行的。
The experiment result proved the technological feasibility of laser butt welding for thin zinc coated steel sheets whose edges are prepared by laser cutting on the same laser processing equipments.
通过利用自行研制的分束焊接头将一束激光分为能量相当的两束激光，在沿焊缝方向上串联产生了两个焦点。
A self designed welding head is described. The welding head can divide one torch into two equally and the two focuses are in series along the weld.
结果表明，在侧吹保护气体的条件下，激光深熔焊接能有效地避免高强度镀锌钢热影响区的软化和控制焊缝气孔及焊接接头裂纹的产生。
By adopting blowing side protective gas, the problem that gas hole was easy to form owed to evaporation of zinc and moisture of circumstances in laser...
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.
采用合适的激光参数、保证焊接头与工件表面的垂直姿态以及焦点位置是影响焊接质量的关键因素。
The key factors of laser welding' s quality are applying suitable laser parameters, ensuring that welding head is perpendicular to work piece and focus point is in the right position.
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.
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.
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