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Micropitting of Bearings and Gears in Aviation
- Aerospace Standard
- AIR6989
- Issued
Sector:
Issuing Committee:
Language:
English
Scope
The intent of this SAE Aerospace Information Report (AIR) is to summarize and review the E34 committee’s efforts to educate the aerospace propulsion lubrication community on the science of micropitting, its consequences, and the various tribology evaluation methods that can be employed under aviation related conditions to differentiate formulation related aggravating factors.
Rationale
Micropitting is a surface initiated fatigue wear process that can propagate to more severe wear that can result in bearing or gear failures. Mechanical system design has a major influence on micropitting and lubricant formulation has been shown to be a contributing factor in micropitting in other transportation sectors. The E34 committee identified the need to study micropitting and consider method(s) capable of screening formulations for micropitting propensity.
Topic
Data Sets - Support Documents
No Datasets Available
Issuing Committee
E-34 Propulsion Lubricants Committee
This committee encompasses lubricants for gas turbine engines, as well as aircraft gear boxes and accessories. In addition, the work of the committee encompasses lubricants for privately owned jet or turbo propeller engines that operate on synthetic lubricants.
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