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An introduction to modulated current systems for DC tungsten inert-gas (TIG) welding. Opens with some general information about the basic TIG process, and then proceeds to the addition of pulses of current,...
High-speed cinematography, in conjunction with special half-section projections and electrodes, is used to illustrate the behaviour of projections of various heights and shapes.
Defines and describes the use of (1) metal arc welding, (2) atomic hydrogen welding and (3) inert gas welding, emphasising that arc welding is the most economical, the strongest and lightest fabrication...
Compares the methods used in alternating current arc welding with those in direct current arc welding and stresses the advantages of the former.
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