atomic hydrogen welding
(redirected from Atomic hydrogen torch)atomic hydrogen welding
[ə′täm·ik ′hī·drə·jən ′weld·iŋ] (metallurgy)
An arc welding process in which hydrogen gas dissociated by the arc recombines outside the arc to provide intense heat and protection against oxidation for the weld.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.