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SAE AIR6989

Name: SAE AIR6989 PDF | Request Standard
SKU: 90b7ce49ed18

Micropitting of Bearings and Gears in Aviation

Standard by SAE International, 2022-12-07

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SAE AIR6989.PDFSecure PDF
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Language: English
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Language: English
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About This Item

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. 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.

SKU: 90b7ce49ed18

Publication Date: 2022-12-07

Standard Status: latest

Publisher: SAE International

Document Type: Aerospace Standard

Subject: Gas turbine lubricants, Tensile strength, Coatings, colorants, and finishes, Failure modes and effects analysis, Lubricant additives, Lubricating oils, , ,

Official SAE: Doi link

This Version: AIR6989 (2022-12-07)

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