The procedure of gas-metal arc welding (GMAW) has received much attention in recent years and has numerous beneficial applications in the industry, including car industry and ship building. It is expected that the GMAW parameters, such as arc voltage, welding current and welding speed, strongly affect the mechanical properties of welded joints. As one of the most important mechanical properties that should be taken into account by designers, we can mention the ductility of welded joint, which can be found as a result of bending tests. Thus, we perform the experimental investigation with an aim to determine the effect of the parameters of robotic GMAW on the ductility of welded joints in CK45 carbon steel. The accumulated results clearly illustrate that the ductility of welded joints is a monotonic function of the welding parameters.

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CK45碳钢焊接接头的延展性

气体保护焊 (GMAW) 工艺近年来备受关注，并在汽车工业和造船业等工业中有许多有益的应用。预计电弧电压、焊接电流和焊接速度等 GMAW 参数会强烈影响焊接接头的机械性能。作为设计人员应该考虑的最重要的机械性能之一，我们可以提到焊接接头的延展性，它可以作为弯曲试验的结果发现。因此，我们进行了实验研究，目的是确定机器人 GMAW 的参数对 CK45 碳钢焊接接头延展性的影响。累积结果清楚地表明，焊接接头的延展性是焊接参数的单调函数。