小孔效应是深熔焊接中的特征现象。
And the keyhole is characteristics of deep penetration laser welding.
激光深熔焊接时伴随着高电量等离子体的产生。
Deep penetration laser welding is associated with violent plasma generation characterized by high charge densities.
激光深熔焊接是大功率激光焊接金属材料得以广泛应用的基础。
The deep penetration Laser welding is the base of extensive utilization for the high-laser welding of metal materials.
对铝合金L F3Y 2搭接板进行了热压条件下激光深熔焊接。
Deep penetration laser welding was performed at aluminum alloy LF3Y2 under hot and press condition.
激光深熔焊接的传热过程包括热传导和焊接熔池内熔融材料的对流流动。
The heat transfer in laser deep penetration welding includes heat conduction and convection in the welding pool.
激光深熔焊接镀锌钢的过程中存在着锌蒸气和锌等离子体两种特有焊接特征。
There are two unique characteristics, zinc vaporization and zinc plasma, existing in deep penetration laser welding of galvanized steel.
综述了激光深熔焊接热源模型的研究现状与进展。介绍了三种解析解热源模型。
The research status and development of heat source model on laser deep penetration welding were summarized and three kinds of resolution model about heat source were introduced.
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.
针对激光深熔焊过程中易出现的气孔问题，作者提出光束摆动激光焊接减小气孔倾向的工艺。
Porosity is apt to occur in deep penetration laser beam welding, which has severe influence on the mechanical properties of laser welded joint.
对于非穿透激光深熔焊而言，焊接熔深是最重要的质量参数之一，对其进行实时监测具有重要意义。
The penetration depth is one of the most important quality parameters in partial penetration laser welding, and therefore real time monitoring for penetration depth becomes extremely significants.
为获得较高的连接强度，宜使峰值功率与离焦量适当配合，实现深熔焊模式进行焊接，而脉冲宽度不宜太大。
To gain good joint strength, the pulse peak power and defocusing distance should be chosen appropriately to implement welding in keyhole mode, and moreover, pulse duration should not be too long.
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.
激光深熔焊中侧吹保护气体方法用于降低等离子体中的电子密度抑制等离子体，TIG中活性焊剂也有吸收电子的作用。
The method of blow, side protecting gas in laser deep welding is used to reduce the electronic density of plasma, also, the active flux in TIG can absorb electron.
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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