Heat flow across the weld bead 
Calculate the heat input for the following parameters
Voltage = 24V
Current = 100A
Welding speed = 2 mm/sec
Voltage = 24V
Current = 100A
Welding speed = 2 mm/sec
Heat flow will be more into the welding workpiece by
The rate of cooling (cooling slope) is maximum for the point closest to the weld line and decreases with distance from the weld line?
Calculate the heat input for welding
Consider
Voltage = 14V
Current =140A
η=70%
Welding speed =4mm/s
Consider
Voltage = 14V
Current =140A
η=70%
Welding speed =4mm/s
With increase in perpendicular distance of a point away from the weld centre- line, the peak temperature will
Weld thermal cycle depends on which of the following parameters
Thermal stresses in welding are caused by differential thermal expansion and contraction
Calculate the peak temperature of mild steel for the following parameters
Consider
t= 6mm
To= 298K
ρ = 0.008 g/mm3
C= 0.5107896 (J/g K-1 )
q= 1589.92 J/s
v= 2 mm/s
Consider
t= 6mm
To= 298K
ρ = 0.008 g/mm3
C= 0.5107896 (J/g K-1 )
q= 1589.92 J/s
v= 2 mm/s