Embrittlement of stainless steels upon extended exposure to temperatures between 400 and 510

(1) The removal of oxygen from molten metals by use of suitable deoxidixers. (2) Sometimes refers to the removal of undesirable elements other than oxygen by the introduction of elements or compounds that readily react with them. (3) In metal finishing, t ...

Pitting corrosion resulting from deposits on a metal surface which cause concentration cells.

An oil capable of conversion from a liquid to a solid by slow reaction with oxygen in the air.

Electrode reaction equivalent to a transfer of negative charge from the electronic to the ionic conductor. A cathodic reaction is a reduction process. An example common in corrosion is: Ox + ne s Red.

The electroplating of zinc upon iron or steels

A black finish on a metal produced by immersing it in hot oxidizing salts or salt solutions.

A term primarily used in Europe to describe galvanic corrosion between dissimilar metals.

(1) A cell, the emf of which is due to the potential difference between a metal in an active state and the same metal in a passive state. (2) A corrosion cell in which the anode is a metal in the active state and the cathode is the same metal in the passi ...

The portion of solution in immediate contact with the cathode during electrolysis.

Cracking that occurs in the weld metal. See also cold cracking, hot cracking, lamellar tearing, and stress-relief cracking.

The electrolyte adjacent to the cathode of an electrolytic cell.

Localized corrosion of a metal surface at, or immediately adjacent to, an area that is shielded from full exposure to the environment because of close proximity between the metal and the surface of another material.

A process involving conjoint corrosion and cavitation.

A pattern of parallel surface cracks that are formed by alternate rapid heating and cooling of the extreme surface metal, sometimes found on forging dies and piercing punches. There may be two sets of parallel cracks one set perpendicular to the other.

The potential corresponding to the maximum active current density (critical anodic current density) of an electrode that exhibits active-passive corrosion behavior.

The ratio of the electric current density to the electric field in a material. Also called electrical conductivity or specific conductance.

The stress that will cause fracture in a creep test at a given time in a specified constant environment. Also called stress-rupture strength.

The degradation of a solid body resulting from its exposure to cavitation. This may include loss of material, surface deformation, or changes in properties or appearance.

A type of inhibitor that appreciably changes the potential of u metal to a more noble (positive) value.