atomic hydrogen welding

noun

Definition of atomic hydrogen welding

: arc welding that utilizes an alternating-current arc between two metal electrodes to dissociate hydrogen from a surrounding stream so that when the hydrogen atoms recombine into molecules at the surface of the part being welded they supply to the surface for fusion the heat that was absorbed in the arc during dissociation

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Cite this Entry

“Atomic hydrogen welding.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/atomic%20hydrogen%20welding. Accessed 25 Oct. 2020.

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