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Atomic hydrogen welding
Additional recommended knowledge
The heat produced by this torch is sufficient to melt and weld tungsten, the most refractory metal. Because of the atmosphere of hydrogen, metals are protected from contamination by carbon, nitrogen, or oxygen which can severely damage the properties of many metals.
In atomic hydrogen welding, filler metal may or may not be used. In this process, the arc is maintained entirely independent of the work or parts being welded. The work is a part of the electrical circuit only to the extent that a portion of the arc comes in contact with the work, at which time a voltage exists between the work and each electrode.
|This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Atomic_hydrogen_welding". A list of authors is available in Wikipedia.|