cold welding

American  

noun

1. the welding of metal objects by extreme high pressure or by contact in a high vacuum with no application of heat.

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Example Sentences

Outside the space station, there are micro-meteoroid strikes, extreme temperature fluctuations, the cold welding of metal parts that occurs in a vacuum, and atomic oxygen/ultraviolet degradation.

From Salon • Jul. 7, 2021

Moreover, to the posts hung new wagon chains, and near by stood the village blacksmith and his apprentice, who carried a hand anvil and a sledge hammer for the cold welding of those chains.

From The Lady of Blossholme by Haggard, Henry Rider