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Corrosion engineering
The process of applying engineering science in the design and manufacturing of materials, structures and devices to manage and control corrosion.
Industry: Materials science
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Corrosion engineering
Tin coatings
Materials science; Corrosion engineering
Tinplate is a low-carbon steel strip product coated on both sides of metal with a thin layer of tin. Several million tonnes of tinplate are produced each year, and most of it is used to manufacture ...
Oxide coatings
Materials science; Corrosion engineering
Oxide coatings on steel can be prepared by controlled high-temperature oxidation in air or, for example, by immersion in hot concentrated alkali solutions containing persulfates, nitrates, or ...
Phosphate coatings
Materials science; Corrosion engineering
Phosphate coatings on steel (also called Parkerizing or Bonderizing) are produced by brushing or spraying, onto a clean surface of steel, a cold or hot dilute manganese or zinc acid orthophosphate ...
Chromate coatings
Materials science; Corrosion engineering
Chromate coatings are produced on zinc by immersing the cleaned metal for a few seconds in sodium dichromate solution (e.g., 200g/liter) acidified with sulfuric acid (e.g., 8mL/liter) at room ...
Chemical conversion coatings
Materials science; Corrosion engineering
Chemical conversion coatings are protective coatings formed in situ by chemical reaction with the metal surface. They include special coatings, such as PbSO 4 , which forms when lead is exposed to ...
Dissimilar electrode cells
Materials science; Corrosion engineering
One of three main types of cells that take part in corrosion reactions. The other two types of cells are: concentration cells and differential temperature cells. Examples of dissimilar electrode ...
Pilling-Bedworth ratio
Materials science; Corrosion engineering
Although many factors control the oxidation rate of a metal, the Pilling–Bedworth ratio is a parameter that can be used to predict the extent to which oxidation may occur. The Pilling – Bedworth ...
