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What is Soldering?

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What is Soldering?

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Soldering is when two metals are joined together by a similar (or different) metal that has a lower melting point. In the fabrication of jewelry, because of the temperatures and the materials used, soldering is actually a misnomer. The correct term is brazing. A solder of the same carat value as the pieces being joined is used. This solder is designed to melt at a lower temperature than the pieces being joined together. As the temperature of the two peices is raised , the metal on both in the crystalline matrix at the JUNCTION of the two, pulls back. This enables the solder, which is NOW applied, to flow into the microscopically open space between the two pieces. The heat is removed, and the joined piece is allowed to cool. The joint is polished, and the seam where the solder flowed, if everything is done EXACTLY right – is invisible.

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