Temperature profiles and flow patterns of molten pools corresponding to temperature gradient of point A and point B and flow velocity of point B at different welding speeds and 4 kW laser power.
|Welding speeds||Top view||Longitudinal section view||Temperature gradient of point A and point B||Flow velocity of point B|
| mm/s||252 K/mm||32 mm/s|
| mm/s ||421 K/mm||95 mm/s|
| mm/s ||552 K/mm||111 mm/s|