Progressive degradation of fibreglass.

Related Terms

ANTI-OXIDANT

Additive that prolongs the induction period of a base oil in the presence of oxidizing conditions and catalyst metals at elevated temperatures. The additive is consumed and degradation products increase not only with increasing and sustained temperature, but also with increases in mechanical agitation or turbulence and contamination: air, water, metallic particles, and dust.

OXIDATION STABILITY

Ability of a lubricant to resist natural degradation upon contact with oxygen.

DEGRADATION

The progressive failure of a machine or lubricant.

NAVSTAR GLOBAL POSITIONING SYSTEM

A satellite navigation system developed by the Department of Defense. The system is provides highly accurate position and velocity information in three dimen- sions and precise time and time interval on a global basis continuously, to an unlimited number of users. It is unaffected by weather and provides a worldwide common grid reference system. The objective of the program is to provide very precise position information for a wide spectrum of military missions. In addition, current policy calls for civil availability with a slight degradation in system accuracy required to protect U.S. national security interests.

MAGNETIC PLUG

Strategically located in the flow stream to collect a representative sample of wear debris circulating in the system: for example, engine swarf, bearing flakes, and fatigue chunks. The rate of buildup of wear debris reflects degradation of critical surfaces.

ENVIRONMENTAL IMPACT ANALYSIS

Predetermination of the extent of pollution or environmental degradation which will be involved in a mining or processing project.

ENGINE SLUDGE

The insoluble products of degradation of lubricating oils and fuels formed during the operation of an internal combustion engine.

EROSION

The progressive removal of a machine surface by cavitation or by particle impingement at high velocities.

CYCLE

A single complete operation consisting of progressive phases starting and ending at the neutral position.

DEGRADATION

The progressive failure of a machine or lubricant.

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