AI Summary & Key Takeaways
AI InsightIt was also observed that when the welding speed was high, undercuttings occurred at the edge of welding bead and microstructure of weld metals consisted of fine grains, but when the welding speed was low, at the edge of welding bead weld metal piled up and the microstructure of weld metal consisted of large grains.
📌 3 Key Takeaways
Abstract
The effect of welding speed on the microstructure and penetration in MAG, SMAW and MMA welding was investigated in a low carbon steel. Experimental results revealed that the penetration decreased when the welding speed was lower or higher than the optimum speed. It was also observed that when the welding speed was high, undercuttings occurred at the edge of welding bead and microstructure of weld metals consisted of fine grains, but when the welding speed was low, at the edge of welding bead weld metal piled up and the microstructure of weld metal consisted of large grains.
Özet
The effect of welding speed on the microstructure and penetration in MAG, SMAW and MMA welding was investigated in a low carbon steel. Experimental results revealed that the penetration decreased when the welding speed was lower or higher than the optimum speed. It was also observed that when the welding speed was high, undercuttings occurred at the edge of welding bead and microstructure of weld metals consisted of fine grains, but when the welding speed was low, at the edge of welding bead weld metal piled up and the microstructure of weld metal consisted of large grains.