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2. Soldering iron - Wikipedia

   en.wikipedia.org/wiki/Soldering_iron

   This led to the development of soldering irons that had a small copper tip attached to an inexpensive cast-iron block. [4] Some irons even had removable and replaceable copper tips. [5] The first electric soldering iron had a very lightweight platinum tip heated by electric current flowing through the tip itself. [6]

3. Soldering - Wikipedia

   en.wikipedia.org/wiki/Soldering

   The electric soldering iron is widely used for hand-soldering, consisting of a heating element in contact with the "iron" (a larger mass of metal, usually copper) which is in contact with the working tip made of copper. Usually, soldering irons can be fitted with a variety of tips, ranging from blunt, to very fine, to chisel heads for hot ...

4. Soldering gun - Wikipedia

   en.wikipedia.org/wiki/Soldering_gun

   Soldering gun Soldering gun's parts Spool of solder. 1.6mm. A soldering gun is an approximately pistol-shaped, electrically powered tool for soldering metals using tin-based solder to achieve a strong mechanical bond with good electrical contact. The tool has a trigger-style switch so it can be easily operated with one hand.

5. Solder paste - Wikipedia

   en.wikipedia.org/wiki/Solder_paste

   Although solder paste typically contains around 90% metal in solids by weight, the volume of the soldered joint is only about half that of the solder paste applied. [7] This is due to the presence of flux and other non-metallic agents in the paste, and the lower density of the metal particles when suspended in the paste as compared to the final ...

6. Scope soldering iron - Wikipedia

   en.wikipedia.org/wiki/Scope_soldering_iron

   The "Scope" soldering iron is a tool for soldering with lead-tin alloys, made in Australia since 1950, and intended for occasional or intermittent use.It has the virtue of quickly coming up to soldering temperature (~300C) and delivering considerable heat to a small area, but requires care to avoid overheating.

7. Joule heating - Wikipedia

   en.wikipedia.org/wiki/Joule_heating

   Soldering irons generate heat to melt conductive solder and make electrical connections. Cartridge heaters are used in various manufacturing processes. Electric fuses are used as a safety device, breaking a circuit by melting if enough current flows to heat them to the melting point. Electronic cigarettes vaporize liquid by Joule heating.