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  2. Galvanic series - Wikipedia

    en.wikipedia.org/wiki/Galvanic_series

    The galvanic series (or electropotential series) determines the nobility of metals and semi-metals. When two metals are submerged in an electrolyte, while also electrically connected by some external conductor, the less noble (base) will experience galvanic corrosion. The rate of corrosion is determined by the electrolyte, the difference in ...

  3. Galvanic corrosion - Wikipedia

    en.wikipedia.org/wiki/Galvanic_corrosion

    Dissimilar metals and alloys have different electrode potentials, and when two or more come into contact in an electrolyte, one metal (that is more reactive) acts as anode and the other (that is less reactive) as cathode. The electropotential difference between the reactions at the two electrodes is the driving force for an accelerated attack ...

  4. List of brazing alloys - Wikipedia

    en.wikipedia.org/wiki/List_of_brazing_alloys

    Mostly used for brazing reactive metals, e.g. beryllium and titanium. Does not significantly alloy with nor wet iron. Rarely used alone due to relatively high cost. 100: Pd 100: pure 1555 [75] Pure metal. High-temperature brazing of refractory metals. 100: Pt 100: pure 1767 – Very high temperature brazing. For refractory metals for high ...

  5. Galvanic cell - Wikipedia

    en.wikipedia.org/wiki/Galvanic_cell

    Galvanic corrosion is the electrochemical erosion of metals. Corrosion occurs when two dissimilar metals are in contact with each other in the presence of an electrolyte, such as salt water. This forms a galvanic cell, with hydrogen gas forming on the more noble (less active) metal.

  6. Galvanic anode - Wikipedia

    en.wikipedia.org/wiki/Galvanic_anode

    A galvanic anode, or sacrificial anode, is the main component of a galvanic cathodic protection system used to protect buried or submerged metal structures from corrosion. They are made from a metal alloy with a more "active" voltage (more negative reduction potential / more positive oxidation potential ) than the metal of the structure.

  7. Environment solution: New metals refinery for nickel and ...

    lite.aol.com/pf/story/0001/20240907/ef76ed58f45c...

    The metals refining company Nth Cycle builds systems that yield nickel and cobalt from a form of shredded lithium ion batteries and nickel scrap from electric vehicles and consumer electronics. There are a growing number of companies, including Redwood Materials and Li-Cycle, that are expanding the young U.S. battery recycling industry.

  8. Galvani potential - Wikipedia

    en.wikipedia.org/wiki/Galvani_potential

    The Galvani potential difference is not directly measurable using voltmeters. The measured potential difference between two metal electrodes assembled into a cell does not equal the difference of the Galvani potentials of the two metals (or their combination with the solution Galvani potential) because the cell needs to contain another metal-metal interface, as in the following schematic of a ...

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