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Charles L. Coffin of
Charles L. Coffin of Detroit
Detroit ( , ; , ) is the largest city in the U.S. state of Michigan. It is also the largest U.S. city on the United States–Canada border, and the seat of government of Wayne County. The City of Detroit had a population of 639,111 at ...
was awarded for an arc welding
Arc welding is a welding process that is used to join metal to metal by using electricity to create enough heat to melt metal, and the melted metals, when cool, result in a binding of the metals. It is a type of welding that uses a welding po ...
process using a metal electrode
An electrode is an electrical conductor used to make contact with a nonmetallic part of a circuit (e.g. a semiconductor, an electrolyte, a vacuum or air). Electrodes are essential parts of batteries that can consist of a variety of materials ...
. This was the first time that metal melted from the electrode
An electrode is an electrical conductor used to make contact with a nonmetallic part of a circuit (e.g. a semiconductor, an electrolyte, a vacuum or air). Electrodes are essential parts of batteries that can consist of a variety of materials ...
carried across the arc to deposit filler metal in the joint to make a weld. Two years earlier, Nikolay Slavyanov
Nikolay Gavrilovich Slavyanov (russian: Никола́й Гаври́лович Славя́нов; – ) was a Russian inventor who in 1888 introduced arc welding with consumable metal electrodes, or shielded metal arc welding, the second histo ...
presented the same idea of transferring metal across an arc, but to cast metal in a mold.
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