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Encyclopedia > Galvanize

Galvanization, named after the Italian scientist Luigi Galvani Luigi Galvani (September 9, 1737–December 4, 1798) was an Italian physician and physicist who lived and died in Bologna. Dissecting a frog at a table where he had been conducting experiments with static electricity, Galvani touched an exposed sciatic nerve of the frog with his metal... Luigi Galvani, was originally the administration of electric shocks (in the 19th century also termed Faradism, after Michael Faraday Michael Faraday (September 22, 1791 - August 25, 1867) was a British scientist (a physicist and chemist) who contributed significantly to the fields of electromagnetism and electrochemistry. He also invented the earliest form of the device that was to become the Bunsen burner , which is used almost universally in... Michael Faraday). It stemmed from Galvani's induction of twitches in severed In cryptography, FROG is a block cipher authored by Georgoudis, Leroux and Chaves. The algorithm can work with any block size between 8 and 128 bytes, and supports keys sizes betweens 5 and 125 bytes. The algorithm consists of 8 rounds and has a very complicated key schedule. It was... frogs' legs, by his accidental generation of The article on electrical energy is located elsewhere. Electricity is a property of certain subatomic particles (e.g. electrons / protons) which couples to electromagnetic fields and causes attractive and repulsive forces between them. Electricity gives rise to one of the four fundamental forces of nature, and is a conserved property... electricity (see In biology, galvanism is the contraction of a muscle that is stimulated by an electric current. The effect was named by Alessandro Volta after his contemporary, the scientist Luigi Galvani, who investigated the effect of electricity on dissected animals in the 1780s and 1790s. Galvani himself referred to the phenomenon... galvanism). This archaic sense is the origin of the meaning of galvanized when meaning 'stirred to sudden action'.


Later the word was used for processes of Electroplating is the the coating of an electrically conductive item with a layer of metal using electrical current. Contents // 1 Process 2 Industrial Use 3 History 3.1 Modern history 3.2 Prehistory 3.3 Miscellaneous 4 Related Topics 5 External Links and Sources Process The process used in electroplating... electrodeposition. Nowadays it typically means Hot-dip galvanizing is the process of coating iron or steel with a thin zinc layer by passing the steel through a molten bath of zinc at a temperature of around 450°C. Zinc rusts to form zinc oxide, a fairly strong material that stops further rusting, protecting the steel... hot-dip galvanizing, a chemical process that is used to coat See Steel (disambiguation) for other uses. Steel framework Steel is a metal alloy whose major component is iron, with carbon being the primary alloying material. Carbon acts as a hardening agent, preventing iron atoms, which are naturally arranged in a lattice, from sliding past one another. Varying the amount of... steel or manganese – iron – cobalt Fe Ru       Full table General Name, Symbol, Number iron, Fe, 26 Chemical series transition metal Group, Period, Block 8 (VIIIB), 4 , d Density, Hardness 7874 kg/m3, 4.0 Appearance lustrous metallic with a greyish tinge Atomic properties Atomic weight 55... iron with copper – zinc – gallium Zn Cd       Full table General Name, Symbol, Number zinc, Zn, 30 Chemical series transition metals Group, Period, Block 12, 4, d Density, Hardness 7140 kg/m3, 2.5 Appearance blueish pale grey Atomic properties Atomic weight 65.409 amu Atomic radius... zinc. This is done to reduce This article is part of the Mechanical failure modes series. Buckling Corrosion Creep Fatigue Fracture Melting Wear Corrosion is the destructive reaction of a metal with another material, e.g. oxygen, or in an extreme pH environment (either acidic or basic). The corrosion product is a mix of oxide and... corrosion (specifically rusting) of the manganese – iron – cobalt Fe Ru       Full table General Name, Symbol, Number iron, Fe, 26 Chemical series transition metal Group, Period, Block 8 (VIIIB), 4 , d Density, Hardness 7874 kg/m3, 4.0 Appearance lustrous metallic with a greyish tinge Atomic properties Atomic weight 55... ferrous item. The zinc coating prevents oxidation of the protected metal by forming a barrier. Zinc oxide is a chemical compound with formula ZnO. It is nearly insoluble in water but soluble in acids or alkalis. It occurs as white hexagonal crystals or a white powder commonly known as zinc white. It remains white when exposed to hydrogen sulfide or ultraviolet light. Crystalline zinc oxide... Zinc oxide is a fine white dust that (in contrast to iron oxide) does not cause a breakdown of the The word substrate can mean the following: In biochemistry, a substrate is a molecule which is acted upon by an enzyme. See substrate (biochemistry) In industrial printing, substrate is used to describe the base material that images will be printed onto. Depending on the printing process and end use of... substrate's surface integrity as it is formed. Indeed the zinc oxide, if undisturbed, can act as a barrier to further The most fundamental reactions in chemistry are the redox processes. The term redox process accounts for all processes in which atoms have their oxidation number (oxidation state) changed. This can be a simple redox process, such as the combustion of carbon by oxygen to yield carbon dioxide, it could be... oxidation, in a way similar to the Passivation is the process of making a material passive in relation to another material prior to using the materials together. For example, prior to storing hydrogen peroxide in an aluminum container, one method to passivate the container is to rinse it with a dilute solution of nitric acid and peroxide... protection afforded to magnesium – aluminium – silicon B Al Ga       Full table General Name, Symbol, Number aluminium, Al, 13 Chemical series poor metals Group, Period, Block 13 (IIIA), 3, p Density, Hardness 2700 kg/m3, 2.75 Appearance silvery Atomic properties Atomic weight 26.981538 amu Atomic radius... aluminium and In metallurgy, stainless steel is defined1 as a ferrous alloy with a minimum of 10.5% chromium content. Such steels have higher resistance to oxidation (rust) and corrosion in several environments. It was invented in 1913, at the research laboratory of Brown-Firth, Sheffield, England by Harry Brearley. He had... stainless steels by their oxide layers. Hot dip galvanizing deposits a thick, robust layer that may be more than is necessary for the protection of the underlying metal in some applications. This is the case in A small variety of cars, the most popular kind of automobile. An automobile is a wheeled vehicle that carries its own engine. Different types of automobile include cars, buses, vans and trucks, with cars being the most popular by far. Older terms include horseless carriage and motor car, with motor... automobile bodies, where additional rust proofing paint will be applied. Here, a thiner form of galvanizing is applied by Electroplating is the the coating of an electrically conductive item with a layer of metal using electrical current. Contents // 1 Process 2 Industrial Use 3 History 3.1 Modern history 3.2 Prehistory 3.3 Miscellaneous 4 Related Topics 5 External Links and Sources Process The process used in electroplating... electroplating, called "electro-galvanized". Where the metal is not to be painted or is to be used in critical exposure conditions such as near salt water, "hot-dip galvanized" is preferred for its long term durability. Galvanized nails are now usually electro-galvinized but these are greatly inferior to the hot dipped kind, particularly when used in fences.


In biology, galvanism is the contraction of a muscle that is stimulated by an electric current. The effect was named by Alessandro Volta after his contemporary, the scientist Luigi Galvani, who investigated the effect of electricity on dissected animals in the 1780s and 1790s. Galvani himself referred to the phenomenon... Galvanic or This article or section should be merged with Cathodic protection A galvanic anode, also known as a sacrificial anode, is used to protect metals from galvanic corrosion, by the use of a metal electrode which is itself consumed instead in an anodic oxidation reaction. This technique is also known as... sacrificial-anode protection uses ingots of zinc electrically bonded to the metal it is to protect where the metals will be subject to an electrolytic solution. In such a solution the zinc is absorbed into the An electrolyte is a substance which dissociates free ions when dissolved (or molten), to produce an electrically conductive medium. Because they generally consist of ions in solution, electrolytes are also known as ionic solutes. They are sometimes referred to in abbreviated jargon as lytes. Electrolytes generally exist as acids, bases... electrolyte in preference to the metal that it protects.


Obviously in some environments both mechanisms can be at work. For example, the traditional measure of a coating's effectiveness is resistance to a salt spray. Galvanization cannot protect surfaces subject to surface abrasion.


  Results from FactBites:
 
..: MARMARA GALVANiZ :.. (666 words)
It is obvious: hot dip galvanization is a process where lage quantities of pieces can be coated with less manpower and with low costs.
Galvanization is one of very few types of coating which was explained in the standards.
And the galvanized steel can be used in designs where there can be erosion to the steel, because of this sturdy coating.
Galvanization (256 words)
Galvanization, named after the Italian scientist Luigi Galvani, was originally the administration of electric shocks (in the 19th century also termed Faradism, after Michael Faraday).
Nowadays it typically means hot-dip galvanizing, a chemical process that is used to coat steel or iron with zinc.
Galvanic[?] or sacrificial anode protection uses ingots of zinc electrically bonded to the metal it is to protect where the metals will be subject to an electrolytic solution.
  More results at FactBites »

 
 

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