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A gas tungsten arc - welding operation is performed on a Mild Steel having a melting temperature of 1 5 0 0 C . A
A gas tungsten arcwelding operation is performed on a Mild Steel having a melting temperature of
A filler metal wire having a diameter of is used to obtain a final weld bead composed of
a percentage in volume of filler equivalent to the remaining volume being base metal. When the
voltage is set at the current in the operation is and the welding speed is Consider
the usual loss from the heat transport factor to be for TIG, and the melting factor to be
Determine:
The power input of the process and the rate of heat generation at the weld ;
The power density PD knowing that the power is transferred within a circle of diameter
with an efficiency of
The volume rate of metal welded and the CSA of the weld bead
The feed rate at which the filler must be supplied.
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