Search results
Results from the WOW.Com Content Network
Hot-dip galvanization. Hot-dip galvanization is a form of galvanization. It is the process of coating iron and steel with zinc, which alloys with the surface of the base metal when immersing the metal in a bath of molten zinc at a temperature of around 450 °C (842 °F). When exposed to the atmosphere, the pure zinc (Zn) reacts with oxygen (O 2 ...
Galvanization. Galvanized surface with visible spangle. Galvanization or galvanizing (also spelled galvanisation or galvanising) [1] is the process of applying a protective zinc coating to steel or iron, to prevent rusting. The most common method is hot-dip galvanizing, in which the parts are coated by submerging them in a bath of hot, molten ...
According to the International Zinc Association, more than 5 million tons are used yearly for both hot dip galvanizing and electroplating. [1] The plating of zinc was developed at the beginning of the 20th century. At that time, the electrolyte was cyanide based.
In addition to information on hot-dip galvanizing, the American Galvanizers Association's website also has information about other zinc coatings, such as electroplating, sheet metal, metallizing, etc. Also, on google searches of "hot-dip galvanizing," "galvanizing," and "galvanized steel," the AGA will appear within the top 5 sites.
Production of galvannealed sheet steel begins with hot dip galvanization of sheet steel. After passing through the galvanizing zinc bath the sheet steel passes through air knives to remove excess zinc, and is then heated in an annealing furnace for several seconds causing iron and zinc layers to diffuse into one another causing the formation of zinc-iron alloy layers at the surface.
Corrosion engineering is an engineering specialty that applies scientific, technical, engineering skills, and knowledge of natural laws and physical resources to design and implement materials, structures, devices, systems, and procedures to manage corrosion. [1] From a holistic perspective, corrosion is the phenomenon of metals returning to ...
The American Galvanizers Association's website www.galvanizeit.org has over 500 pages of technical information on hot-dip galvanizing. This page is fairly brief and others have mentioned it is not descriptive enough. I would suggest linking to our site for more information.
Cathodic protection (CP; / kæˈθɒdɪk / ⓘ) 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 instead ...