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Galvanic corrosion

Index Galvanic corrosion

Galvanic corrosion (also called bimetallic corrosion) is an electrochemical process in which one metal corrodes preferentially when it is in electrical contact with another, in the presence of an electrolyte. [1]

82 relations: Admiralty, Alloy, Aluminium, Anode, Beryllium, Big Dig, Boston, Brass, Britannia silver, Bronze, Cadmium, Carbon, Cathode, Cathodic protection, Chrome plating, Chromium, Conductivity (electrolytic), Copper, Corrosion, Corrosion inhibitor, Corrugated galvanised iron, Die casting, Diode, Direct current, Ductility, Earthing system, Electrical network, Electrochemical cell, Electrochemistry, Electrode potential, Electrolyte, Electromigration, Electroplating, Frédéric Auguste Bartholdi, Galvanic anode, Galvanic series, Galvanization, Gold, Ground and neutral, Gustave Eiffel, HMS Alarm (1758), Hot water storage tank, HVAC, Ion, Iron, Lasagne, Lead, Magnesium, Metal, Metalworking, ..., Monel, Nickel, Noble metal, PH, Plating, Platinum, Polytetrafluoroethylene, Power supply, Primary cell, Rhodium, Royal Navy, Samuel Pepys, Shellac, Silicon, Silver, Sodium bicarbonate, Sodium molybdate, Sodium nitrite, Solder, Stainless steel, Statue of Liberty, Steel, Teredo navalis, Tin, Tin can, Titanium, USS Independence (LCS-2), Voltage, Water aeration, Wrought iron, Zinc, Zinc–carbon battery. Expand index (32 more) »

Admiralty

The Admiralty, originally known as the Office of the Admiralty and Marine Affairs, was the government department responsible for the command of the Royal Navy firstly in the Kingdom of England, secondly in the Kingdom of Great Britain, and from 1801 to 1964, the United Kingdom and former British Empire.

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Alloy

An alloy is a combination of metals or of a metal and another element.

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Aluminium

Aluminium or aluminum is a chemical element with symbol Al and atomic number 13.

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Anode

An anode is an electrode through which the conventional current enters into a polarized electrical device.

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Beryllium

Beryllium is a chemical element with symbol Be and atomic number 4.

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Big Dig

The Central Artery/Tunnel Project (CA/T), known unofficially as the Big Dig, was a megaproject in Boston that rerouted the Central Artery of Interstate 93, the chief highway through the heart of the city, into the 1.5-mile (2.4 km) Thomas P. O'Neill Jr. Tunnel.

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Boston

Boston is the capital city and most populous municipality of the Commonwealth of Massachusetts in the United States.

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Brass

Brass is a metallic alloy that is made of copper and zinc.

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Britannia silver

Britannia silver is an alloy of silver containing 11 ozt 10 dwt (i.e. 11½ troy oz.) silver in the pound troy, equivalent to, or 95.833% by weight (mass) silver, the rest usually being copper.

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Bronze

Bronze is an alloy consisting primarily of copper, commonly with about 12% tin and often with the addition of other metals (such as aluminium, manganese, nickel or zinc) and sometimes non-metals or metalloids such as arsenic, phosphorus or silicon.

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Cadmium

Cadmium is a chemical element with symbol Cd and atomic number 48.

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Carbon

Carbon (from carbo "coal") is a chemical element with symbol C and atomic number 6.

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Cathode

A cathode is the electrode from which a conventional current leaves a polarized electrical device.

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Cathodic protection

Cathodic protection (CP) is a technique used to control the corrosion of a metal surface by making it the cathode of an electrochemical cell.

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Chrome plating

Chrome plating (less commonly chromium plating), often referred to simply as chrome, is a technique of electroplating a thin layer of chromium onto a metal object.

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Chromium

Chromium is a chemical element with symbol Cr and atomic number 24.

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Conductivity (electrolytic)

Conductivity (or specific conductance) of an electrolyte solution is a measure of its ability to conduct electricity.

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Copper

Copper is a chemical element with symbol Cu (from cuprum) and atomic number 29.

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Corrosion

Corrosion is a natural process, which converts a refined metal to a more chemically-stable form, such as its oxide, hydroxide, or sulfide.

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Corrosion inhibitor

A corrosion inhibitor is a chemical compound that, when added to a liquid or gas, decreases the corrosion rate of a material, typically a metal or an alloy.

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Corrugated galvanised iron

Corrugated galvanised iron or steel (colloquially corrugated iron (near universal), wriggly tin (taken from UK military slang), pailing (in Caribbean English), corrugated sheet metal (in North America) and occasionally abbreviated CGI) is a building material composed of sheets of hot-dip galvanised mild steel, cold-rolled to produce a linear corrugated pattern in them.

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Die casting

Die casting is a metal casting process that is characterized by forcing molten metal under high pressure into a mold cavity.

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Diode

A diode is a two-terminal electronic component that conducts current primarily in one direction (asymmetric conductance); it has low (ideally zero) resistance in one direction, and high (ideally infinite) resistance in the other.

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Direct current

Direct current (DC) is the unidirectional flow of electric charge.

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Ductility

Ductility is a measure of a material's ability to undergo significant plastic deformation before rupture, which may be expressed as percent elongation or percent area reduction from a tensile test.

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Earthing system

In an electrical installation an earthing system or grounding system connects specific parts of that installation with the Earth's conductive surface for safety and functional purposes.

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Electrical network

An electrical network is an interconnection of electrical components (e.g. batteries, resistors, inductors, capacitors, switches) or a model of such an interconnection, consisting of electrical elements (e.g. voltage sources, current sources, resistances, inductances, capacitances).

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Electrochemical cell

An electrochemical cell (EC) is a device capable of either generating electrical energy from chemical reactions or using electrical energy to cause chemical reactions.

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Electrochemistry

Electrochemistry is the branch of physical chemistry that studies the relationship between electricity, as a measurable and quantitative phenomenon, and identifiable chemical change, with either electricity considered an outcome of a particular chemical change or vice versa.

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Electrode potential

Electrode potential, E, in chemistry or electrochemistry, according to a IUPAC definition, is the electromotive force of a cell built of two electrodes.

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Electrolyte

An electrolyte is a substance that produces an electrically conducting solution when dissolved in a polar solvent, such as water.

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Electromigration

Electromigration is the transport of material caused by the gradual movement of the ions in a conductor due to the momentum transfer between conducting electrons and diffusing metal atoms.

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Electroplating

Electroplating is a process that uses an electric current to reduce dissolved metal cations so that they form a thin coherent metal coating on an electrode.

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Frédéric Auguste Bartholdi

Frédéric Auguste Bartholdi (2 April 1834 – 4 October 1904) was a French sculptor who is best known for designing Liberty Enlightening the World, commonly known as the Statue of Liberty.

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Galvanic anode

A galvanic anode is the main component of a galvanic cathodic protection (CP) system used to protect buried or submerged metal structures from corrosion.

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Galvanic series

The galvanic series (or electropotential series) determines the nobility of metals and semi-metals.

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Galvanization

Galvanization or galvanizing is the process of applying a protective zinc coating to steel or iron, to prevent rusting.

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Gold

Gold is a chemical element with symbol Au (from aurum) and atomic number 79, making it one of the higher atomic number elements that occur naturally.

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Ground and neutral

As the neutral point of an electrical supply system is often connected to earth ground, ground and neutral are closely related.

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Gustave Eiffel

Alexandre Gustave Eiffel (born Bönickhausen;;; 15 December 183227 December 1923) was a French civil engineer.

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HMS Alarm (1758)

HMS Alarm was a 32-gun fifth rate ''Niger''-class frigate of the Royal Navy, and was the first Royal Navy ship to bear this name.

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Hot water storage tank

A hot water storage tank (also called a hot water tank, thermal storage tank, hot water thermal storage unit, heat storage tank and hot water cylinder) is a water tank used for storing hot water for space heating or domestic use.

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HVAC

Heating, ventilation and air conditioning (HVAC) is the technology of indoor and vehicular environmental comfort.

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Ion

An ion is an atom or molecule that has a non-zero net electrical charge (its total number of electrons is not equal to its total number of protons).

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Iron

Iron is a chemical element with symbol Fe (from ferrum) and atomic number 26.

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Lasagne

Lasagne (singular lasagna) are wide, flat pasta, and possibly one of the oldest types of pasta.

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Lead

Lead is a chemical element with symbol Pb (from the Latin plumbum) and atomic number 82.

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Magnesium

Magnesium is a chemical element with symbol Mg and atomic number 12.

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Metal

A metal (from Greek μέταλλον métallon, "mine, quarry, metal") is a material (an element, compound, or alloy) that is typically hard when in solid state, opaque, shiny, and has good electrical and thermal conductivity.

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Metalworking

Metalworking is the process of working with metals to create individual parts, assemblies, or large-scale structures.

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Monel

Monel is a group of nickel alloys, primarily composed of nickel (up to 67%) and copper, with small amounts of iron, manganese, carbon, and silicon.

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Nickel

Nickel is a chemical element with symbol Ni and atomic number 28.

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Noble metal

In chemistry, the noble metals are metals that are resistant to corrosion and oxidation in moist air (unlike most base metals).

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PH

In chemistry, pH is a logarithmic scale used to specify the acidity or basicity of an aqueous solution.

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Plating

Plating is a surface covering in which a metal is deposited on a conductive surface.

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Platinum

Platinum is a chemical element with symbol Pt and atomic number 78.

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Polytetrafluoroethylene

Polytetrafluoroethylene (PTFE) is a synthetic fluoropolymer of tetrafluoroethylene that has numerous applications.

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Power supply

A power supply is an electrical device that supplies electric power to an electrical load.

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Primary cell

A primary cell is a battery that is designed to be used once and discarded, and not recharged with electricity and reused like a secondary cell (rechargeable battery).

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Rhodium

Rhodium is a chemical element with symbol Rh and atomic number 45.

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Royal Navy

The Royal Navy (RN) is the United Kingdom's naval warfare force.

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Samuel Pepys

Samuel Pepys (23 February 1633 – 26 May 1703) was an administrator of the navy of England and Member of Parliament who is most famous for the diary he kept for a decade while still a relatively young man.

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Shellac

Shellac is a resin secreted by the female lac bug, on trees in the forests of India and Thailand.

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Silicon

Silicon is a chemical element with symbol Si and atomic number 14.

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Silver

Silver is a chemical element with symbol Ag (from the Latin argentum, derived from the Proto-Indo-European ''h₂erǵ'': "shiny" or "white") and atomic number 47.

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Sodium bicarbonate

Sodium bicarbonate (IUPAC name: sodium hydrogen carbonate), commonly known as baking soda, is a chemical compound with the formula NaHCO3.

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Sodium molybdate

Sodium molybdate, Na2MoO4, is useful as a source of molybdenum.

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Sodium nitrite

Sodium nitrite is the inorganic compound with the chemical formula NaNO2.

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Solder

Solder (or in North America) is a fusible metal alloy used to create a permanent bond between metal workpieces.

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Stainless steel

In metallurgy, stainless steel, also known as inox steel or inox from French inoxydable (inoxidizable), is a steel alloy with a minimum of 10.5% chromium content by mass.

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Statue of Liberty

The Statue of Liberty (Liberty Enlightening the World; La Liberté éclairant le monde) is a colossal neoclassical sculpture on Liberty Island in New York Harbor in New York City, in the United States.

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Steel

Steel is an alloy of iron and carbon and other elements.

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Teredo navalis

Teredo navalis, the naval shipworm, is a species of saltwater clam, a marine bivalve mollusc in the family Teredinidae, the shipworms.

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Tin

Tin is a chemical element with the symbol Sn (from stannum) and atomic number 50.

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Tin can

A tin can, tin (especially in British English, Australian English and Canadian English), steel can, steel packaging or a can, is a container for the distribution or storage of goods, composed of thin metal.

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Titanium

Titanium is a chemical element with symbol Ti and atomic number 22.

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USS Independence (LCS-2)

USS Independence (LCS-2) is the lead ship of the.

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Voltage

Voltage, electric potential difference, electric pressure or electric tension (formally denoted or, but more often simply as V or U, for instance in the context of Ohm's or Kirchhoff's circuit laws) is the difference in electric potential between two points.

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Water aeration

Water aeration is the process of increasing or maintaining the oxygen saturation of water in both natural and artificial environments.

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Wrought iron

puddled iron, a form of wrought iron Wrought iron is an iron alloy with a very low carbon (less than 0.08%) content in contrast to cast iron (2.1% to 4%).

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Zinc

Zinc is a chemical element with symbol Zn and atomic number 30.

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Zinc–carbon battery

A zinc–carbon battery is a dry cell primary battery that delivers about 1.5 volts of direct current from the electrochemical reaction between zinc and manganese dioxide.

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Redirects here:

Anodic index, Electrolytic corrosion, Galvanic action, Galvanic attack, Galvanic reaction, Galvonic corrosion, Lasagna battery, Lasagna cell, Nodular corrosion.

References

[1] https://en.wikipedia.org/wiki/Galvanic_corrosion

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