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Soldering A group of welding processes for joining metallic surfaces by heating them to suitable temperature and using a filler metal having a liquidus state not exceeding 450 °C and below the solidus of the base materials. The filler metal is distributed between the closely fitted surfaces of the joint by capillary action. Historical Notes - 3000BC Evidence of soldering being used in Iraq.
See also: American Welding Society, Brazing, Flux, Heat Shunt, Solder.
  
Subjects:- Electronics
- Mechanical Engineering
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