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  2. Cathodic protection - Wikipedia

    en.wikipedia.org/wiki/Cathodic_protection

    Cathodic protection (CP; / k æ ˈ θ ɒ d ɪ k / ⓘ) is a technique used to control the corrosion of a metal surface by making it the cathode of an electrochemical cell. [1] A simple method of protection connects the metal to be protected to a more easily corroded "sacrificial metal" to act as the anode. The sacrificial metal then corrodes ...

  3. Legend-class cutter - Wikipedia

    en.wikipedia.org/wiki/Legend-class_cutter

    The NSC has a steel hull and steel superstructure with steel bulkheads. Ballistic protection is provided for the main gun. The cutter's crew-served weapons can have steel ballistic shields attached for protection. [23] [24] The NSC is equipped with a state-of-the-art damage-control system, that contributes to the ship's survivability. [25]

  4. HMS Samarang (1822) - Wikipedia

    en.wikipedia.org/wiki/HMS_Samarang_(1822)

    HMS Samarang was a 28-gun, teak, Atholl-class sixth rate of the Royal Navy.She was launched at Cochin in 1822 by the East India Company.. The first application of cathodic protection was to HMS Samarang in 1824.

  5. Galvanic anode - Wikipedia

    en.wikipedia.org/wiki/Galvanic_anode

    Detailed view of a galvanic anode on the hull of a ship The bright rectangular objects on these ship components are galvanic anodes.. 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.

  6. Independence-class littoral combat ship - Wikipedia

    en.wikipedia.org/wiki/Independence-class...

    An improved cathodic protection system will enhance corrosion protection. Like the Freedom class, the Independence vessels will be getting axial flow water jets which pushes water parallel to the shaft of the impeller to improve efficiency and reduce maintenance; they will also be upgraded to handle the horsepower provided by the gas turbine ...

  7. United States Navy reserve fleets - Wikipedia

    en.wikipedia.org/wiki/United_States_Navy_reserve...

    Category X Ships stricken from the Naval Vessel Register awaiting disposal. Receives no maintenance except ships on donation hold, which undergo dehumidification and cathodic protection. Category Z This category is for nuclear-powered ships and related support ships pending disposal.

  8. Fearing China's hypersonic weapons, US Navy seeks to arm ...

    www.aol.com/news/fearing-chinas-hypersonic...

    Fearing China will deploy hypersonic weapons to sink ships in the Pacific, the U.S. Navy is moving forward with a plan to arm some of its vessels with Patriot interceptor missiles, two senior ...

  9. Humphry Davy - Wikipedia

    en.wikipedia.org/wiki/Humphry_Davy

    He attached to the copper sacrificial pieces of zinc or iron, which provided cathodic protection to the host metal. [63] It was discovered, however, that protected copper became foul quickly, i.e. pieces of weed and/or marine creatures became attached to the hull, which had a detrimental effect on the handling of the ship.