Glossary Corrosion: All Listings RSS

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The maximum compressive stress a material is capable of developing. With a brittle material that fails in compression by fracturing, the compressive strength has a definite value. In the case of ductile, malleable, or semiviscous materials (which do not f ...

The mass of unit volume of a material at a specified temperature.

A decrease in the polarization of an electrode; the elimination or reduction of polarization by physical or chemical means; depolarization results in increased corrosion.

A positively charged ion that migrates through the electrolyte toward the cathode under the influence of a potential gradient. See also anion and ion.

An accelerated corrosion test in which specimens are exposed to a fine mist of a solution usually containing sodium chloride, but sometimes modified with other chemicals.

Foreign substance which comes from the environment, adhering to a surface of a material

A galvanic cell resulting from difference in oxygen concentration between two locations; See differential aeration cell.

An anode that is insoluble in the electrolyte under the conditions prevailing in the electrolysis.

Aging induced by rapid cooling after solution heat treatment.

A substance that produces depolarization.

Splitting (fracture) of a crystal on a crystallographic plane of' low index.

Ability of a metal to withstand corrosion in a given corrosion system.

A pair of dissimilar conductors, commonly metals, in electrical contact. See also galvanic corrosion.

The number of cycles of stress that can be sustained prior to failure under a stated test condition.

The ratio of the electrochemical equivalent current density for a specific reaction to the total applied current density.

(Galvanic Corrosion) Corrosion resulting from dissimilar metal contact.

A cell developed in an electrolyte resulting from electrical contact between two dissimilar metals. See galvanic corrosion.

The liquid material remaining from pulpwood cooking in the soda or sulfate paper-making process.

A compound with a central atom or ion bound to a group of ions or molecules surrounding it. Also called coordination complex. See also chelate, complexation, and ligand.

The net transfer of electric charge per unit time. Also called electric current. See also current density.