Corrosion prevention

Paint is a material or mixture that, when applied to a solid material and allowed to dry, adds a film-like layer. As art, this is used to create an image or images known as a painting. Paint can be made in many colors and types. Most paints are either oil-based or water-based, and each has distinct characteristics.

right|thumb|These carabiners have an anodized aluminium surface that has been dyed; they are made in many colors.

thumb|right|Galvanized surface with visible spangle thumb|Protective effect: completely rusted letter box mounted to a hot-dip galvanized wall Galvanization (also spelled galvanisation) 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 zinc.

physico-chemical processes contributing to protect a surface against oxidation

technique of electroplating a thin layer of chromium onto a metal object

Geometric objects with a common centre

process that partially protects steel

corrosion prevention technique

technique of protection of steel surfaces against corrosion

chemical compounds decreasing the corrosion rate of a metal

Electrogalvanizing is a process in which a layer of zinc is bonded to steel to protect against corrosion, enhance adhesion, or give an aesthetic appeal. The process involves electroplating, running a current of electricity through a saline-/zinc-based electrolytic solution with a zinc anode and steel cathode. Such zinc electroplating or zinc alloy electroplating maintains a dominant position among other electroplating process options, based upon electroplated tonnage per annum. According to the International Zinc Association, more than 5 million tons are used yearly for both hot-dip galvanizat

process of coating iron or steel with molten zinc

main component of cathodic protection

chemical treatment of metals to prevent their corrosion

coating a surface with Nickel using an electrolytic process

thumb|The ZMC-2 [[airship, the first aircraft to use Alclad in its construction]] Alclad is a corrosion-resistant aluminium sheet formed from high-purity aluminium surface layers metallurgically bonded (rolled onto) to high-strength aluminium alloy core material. It has a melting point of about . Alclad is a trademark of Alcoa but the term is also used generically.

coating for metals

type of useful chemical solution

Sherardising or Zinc thermal diffusion is a process of galvanization of ferrous metal surfaces, also called vapour galvanising and dry galvanizing. The process is named after British metallurgist Sherard Osborn Cowper-Coles (son of naval inventor Cowper Phipps Coles) who invented and patented the method c. 1900. This process involves heating the steel parts up to 500 °C in a closed rotating drum that contains metallic zinc dust and possibly an inert filler, such as sand. At temperatures above 300 °C, zinc evaporates and diffuses into the steel substrate forming diffusion bonded Zn-Fe-phases.

technical discipline

surface-treatment process for metals

technique of polishing a pattern of circles on a piece of metal

Plating process

REDIRECT Phosphate conversion coating#Parkerizing