Solid State Welding

Solid state welding is a group of welding processes which produces coalescence at temperatures essentially below the melting point of the base materials being joined, without the addition of brazing filler metal. Pressure may or may not be used. This group of welding processes includes cold welding, diffusion welding, explosion welding, diffusion bonding, forge welding, friction stir welding, hot pressure welding, roll welding, inertia and ultrasonic welding. The metals being joined retain their original properties without the heat-affected zone problems involved when there is base metal melting. KEYWORDS for this process: solid-state welding, solid-state welders, solid state welders

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