Glossary Corrosion: All Listings RSS

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Through or across crystals or grains. Also called intracrystalline or transcrystalline.

Cracking or fracturing that occurs between the grains or crystals in a polycrystalline aggregate. Also called intercrystalline cracking. Contrast with transgranular cracking.

Deep internal cracks caused by hydrogen.

See hydrogen embrittlement.

Aging induced by cold working.

The technique for maintaining a constant electrode potential.

The component of either a liquid or solid solution that is present to a greater or major extent; the component that dissolves the solute.

See galvanostatic.

In fatigue, the variation in the stress-intensity factor in cycle, that is, Kmax-Kmin.

Resin formed from reactions involving furfuryl alcohol alone or in combination with other constituents.

The liquor resulting from dissolving molten melt irom the kraft recovery furnace in water. See also kraft process and smelt.

See hydrogenembriltlement.

Ratio of the depth of the deepest pit resulting from corrosion divided by the average penetration as calculated from weight loss.

The swelling or bubbling of a coating usually because of heating (term currently used in space and fire protection applications).

See intergranular corrosion.

Corrosive attack that progresses preferentially along interdendritic paths. This type of attack results from local differences in composition, such as coring commonly encountered in alloy castings.

Reduction in mechanical properties of a metal as a result of local penetration of solder along grain boundaries.

Electrode potential where half-cell reaction involves only the metal electrode and its ion.

The ability of a metal to absorb energy and deform plastically before fracturing.

A gaseous environment containing hydrogen sulfide and carbon dioxide in hydrocarbon reservoirs. Prolonged exposure to sour gas can lead to hydrogen damage, sulfide-stress cracking, and/or stress-corrosion cracking in ferrous alloys.