Corrosion engineering

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

intergranular corrosion

Materials science; Corrosion engineering

Corrosion occurring preferentially at grain boundaries, usually with slight or negligible attack on the adjacent grains. Also called intercrystalline corrosion.

deposit corrosion

Materials science; Corrosion engineering

Corrosion occurring under or around a discontinuous deposit on a metallic surface. Also called poultice corrosion.

free corrosion potential

Materials science; Corrosion engineering

Corrosion potential in the absence of net electrical current flowing to or from the metal surface.

cathodic corrosion

Materials science; Corrosion engineering

Corrosion resulting from a cathodic condition of a structure usually caused by the reaction of an amphoteric metal with the alkaline products of electrolysis.

thermogalvanic corrosion

Materials science; Corrosion engineering

Corrosion resulting from an electrochemical cell caused by a thermal gradient.

stray-current corrosion

Materials science; Corrosion engineering

Corrosion resulting from direct current flow through paths other than the intended circuit. For example, by an extraneous current in the earth.

huey test

Materials science; Corrosion engineering

Corrosion testing in a boiling solution of nitric acid. This test is mainly used to detect the susceptibility to intergranular corrosion of stainless steel.