Glossary

Corrosion causedby spontaneous current between two dissimilar conductors in an electrolyte or between two dissimilar conductors in dissimilar electrolytes. If the two dissimiIar metals are in contact, the reaction is referred to as couple action.

A portable container used for transportation and storage of a compressed gas.

A nonstandard term for porosity.

A device for controlling the delivery of gas at some substantially constant pressure.

A thermal spraying deposit composed of mixed materials in successive layers which progressively change in composition from the constituent material lot the, substrate to the surface of the sprayed deposit. Also referred to as graduated or graded coating

A process by which powder is fed into a thermal spraying gun by gravity,

See preferred term Abrasive.

See preferred term Blasting.

The particle size and distribution of abrasive blasting grains. Usually expressed by Society of Automotive Engineers numbers, such as SAE G25.

A method of surface roughening in which grooves are made and the original surface is roughened and spread.

A nonstandard term for thermal spraying gun.

The extension tube attached in front of the thermal spraying gun to permit spraying within confined areas or deep recesses