Question

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Answer 1

Answer:

Explanation:

Cold welding or contact welding is a solid-state welding process in which joining takes place without fusion or heating at the interface of the two parts to be welded. Unlike in the fusion-welding processes, no liquid or molten phase is present in the joint...The diffusion process either involved the two workpieces you are working with or a completely different medium placed in between. ... Cold welding, which is also popularly known as contact welding or cold pressure welding, makes use of pressure to join and diffuse the atoms for two materials together.

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