Mathematical Problems in Engineering / 2016 / Article / Tab 2

Research Article

High-Speed X-Ray Transmission and Numerical Study of Melt Flows inside the Molten Pool during Laser Welding of Aluminum Alloy

Table 2

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 speedsTop viewLongitudinal section viewTemperature gradient of point A and point BFlow velocity of point B

 mm/s252 K/mm32 mm/s

 mm/s 421 K/mm95 mm/s

 mm/s 552 K/mm111 mm/s