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Laser micro-welding of AZ92A magnesium wires using a fiber-laser: a preliminary study

机译:使用光纤激光激光微焊的AZ92A镁线:初步研究

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This work discusses an analysis of laser beam characteristics, applied to conduction welding of AZ92A magnesium wires for medical meshes. Our experiments consisted of the exposure of multiple laser shots on kapton film varying focal position and laser power. Our results indicate that a high laser power level promotes a linear increase of beam radius at focal plane, quality factor and divergence angle. A parametric analysis was carried out varying input energy levels. Porosity was observed as a defect owing to high magnesium reactivity with oxygen. A direct relation of input energy and weld spot size was observed.
机译:该工作探讨了激光束特性的分析,适用于AZ92A镁线用于医用网格的传导焊接。我们的实验包括在Kapton薄膜不同焦点位置和激光动力上的多个激光镜头的曝光。我们的结果表明,高激光功率水平促进焦平面,质量因子和发散角处的光束半径的线性增加。参数分析进行不同的输入能级。由于与氧气高镁反应性,观察到孔隙率作为缺陷。观察到输入能量和焊接点尺寸的直接关系。

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