应用所建立的热源模型模拟分析了激光深熔焊焊缝边界形状，并与实验结果进行了比较。
The border of laser beam penetration welding seam is simulated by the constructed heat source model and compared with the experimental results.
熔焊成型中多道焊缝路径间距是影响零件成型精度的原因。
The path space was one of the reasons that affected the precision of parts in the rapid prototyping based welding.
试验表明，超声检测方法适用于PE管热熔焊缝的焊接质量检测。
Experiments showed that ultrasonic testing method was suitable for the weld quality testing of PE pipe.
其中重点讨论了M2参数对焊接中光束行为的影响以及光束聚焦特征参数对深熔焊接工艺参数和焊缝质量的影响。
The key points are the influences of M2 parameter to the beam behavior and Kf parameter to welding quality in laser deep penetration welding.
通过分析TA2和Q 235b的焊接性，论述了钛与钢熔焊焊缝脆裂的机理，指出钛钢复合板焊接性能差的主要原因在于焊缝中产生了脆性的金属间化合物，从而导致焊缝在焊接应力的作用下发生开裂。
The results indicate that the brittle intermetallic compound in weld is the main reason why the weldability of the plate is bad, which leads to cracks under the effect of welding stress.
对熔焊时电弧区、熔池区的氮行为进行了分析，以实现焊缝固溶氮含量的有效控制。
This article illuminates the nitrogen behavior in the welding arc zone and weld pool respectively so as to control the content of solid solution nitrogen effectively.
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...
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...
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