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ASM Handbook

Friction, Lubrication, and Wear Technology

Edited by
George E. Totten
George E. Totten
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ASM International
ISBN electronic:
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Book Chapter

Friction, Lubrication, and Wear of Gears and Wind-Turbine Components

Robert Errichello
Robert Errichello
Revising author
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Page range:
882 - 898
Publication history
November 21, 2017


This article is concerned with gear tooth failures influenced by friction, lubrication, and wear, and especially those failure modes that occur in wind-turbine components. It provides a detailed discussion on wear (including adhesion, abrasion, polishing, fretting, and electrical discharge), scuffing, and Hertzian fatigue (including macropitting and micropitting). Details for obtaining high lubricant specific film thickness are presented. The article describes the selection criteria for lubricants, such as oil, grease, adhesive open gear lubricant, and solid lubricants. It discusses the applications of oil and gear lubricants and the types of standardized gear tests. The article presents some recommendations for selecting lubricants and lubricant viscosity for enclosed gear. It provides some examples of failure modes that commonly occur on gears and bearings in wind turbine gearboxes.

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Robert Errichello, 2017. "Friction, Lubrication, and Wear of Gears and Wind-Turbine Components", Friction, Lubrication, and Wear Technology, George E. Totten

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