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  2. Flux (metallurgy) - Wikipedia

    en.wikipedia.org/wiki/Flux_(metallurgy)

    Rosin used as flux for soldering A flux pen used for electronics rework Multicore solder containing flux Wire freshly coated with solder, held above molten rosin flux. In metallurgy, a flux is a chemical reducing agent, flowing agent, or purifying agent. Fluxes may have more than one function at a time.

  3. Soldering - Wikipedia

    en.wikipedia.org/wiki/Soldering

    A silversmith hard soldering of silver rings using flux and silver solder wire. "Hard soldering" or "silver soldering" is used to join precious and semi-precious metals such as gold, silver, brass, and copper. The solder is usually described as easy, medium, or hard in reference to its melting temperature, not the strength of the joint.

  4. Flux - Wikipedia

    en.wikipedia.org/wiki/Flux

    Given a flux according to the electromagnetism definition, the corresponding flux density, if that term is used, refers to its derivative along the surface that was integrated. By the Fundamental theorem of calculus , the corresponding flux density is a flux according to the transport definition.

  5. Solder - Wikipedia

    en.wikipedia.org/wiki/Solder

    Solder (UK: / ˈ s ɒ l d ə, ˈ s ə ʊ l d ə /; [1] NA: / ˈ s ɒ d ər /) [2] is a fusible metal alloy used to create a permanent bond between metal workpieces. Solder is melted in order to wet the parts of the joint, where it adheres to and connects the pieces after cooling.

  6. Solder alloys - Wikipedia

    en.wikipedia.org/wiki/Solder_alloys

    Soldering copper pipes using a propane torch and a lead-free solder. Solder is a metallic material that is used to connect metal workpieces. The choice of specific solder alloys depends on their melting point, chemical reactivity, mechanical properties, toxicity, and other properties.

  7. Wave soldering - Wikipedia

    en.wikipedia.org/wiki/Wave_soldering

    Flux in the wave soldering process has a primary and a secondary objective. The primary objective is to clean the components that are to be soldered, principally any oxide layers that may have formed. [3] There are two types of flux, corrosive and noncorrosive. Noncorrosive flux requires precleaning and is used when low acidity is required.

  8. Fusible alloy - Wikipedia

    en.wikipedia.org/wiki/Fusible_alloy

    Used as a solder in low-temperature physics. [4] Bi 49, Pb 18, In 21, Sn 12: 58 °C (136 °F) ChipQuik desoldering alloy. [5] Cerrolow 136. Slightly expands on cooling, later shows slight shrinkage in couple hours afterwards. Used as a solder in low-temperature physics. [4] Lens Alloy 136, used for mounting lenses and other optical components ...

  9. Wiped joint - Wikipedia

    en.wikipedia.org/wiki/Wiped_joint

    Copper to lead joints may be made by wiping the lead onto the copper pipe, as for a lead-lead joint. However the Pb 80 Sn 20 solder used for wiping is poorly wetting onto copper, and so that must be tinned first, using a more tin-rich solder and an active flux.

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