What welding technique could alleviate excessive spatter when joining thin materials?

Using short-circuiting transfer is an effective technique for minimizing excessive spatter when welding thin materials. In this process, the electrode and the workpiece make contact momentarily, which creates a short circuit. This allows for a more controlled and lower-heat input, which is ideal for thin materials that are susceptible to warping or burning through.

The short-circuiting transfer is characterized by small, rapid droplets of molten metal that are deposited into the weld pool, thus reducing the amount of spatter produced. Since the welding occurs at relatively low voltage and current, this method helps to maintain a stable arc and lowers the likelihood of excessive spatter compared to other transfer modes.

In contrast, increasing the arc length, decreasing gas flow, or increasing the electrode diameter can contribute to increased spatter or poor quality welds when working with thin materials. Therefore, short-circuiting transfer is the most suitable technique in this context.