Asked by: Cyndi Osantebusiness and finance mechanical and industrial engineering industry
What is the difference between pitting and spalling?
Last Updated: 16th April, 2021
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Thereof, what is pitting in gear?
Pitting of gears. Pitting is a surface fatigue failure of the gear tooth. It occurs due to repeated loading of tooth surface and the contact stress exceeding the surface fatigue strength of the material. Subsequently, higher impact load resulting from pitting may cause fracture of already weakened tooth.
Furthermore, what causes spalling in bearings? Spalling. Spalling is the result of surface or sub-surface fatigue, which causes fractures to form in the running surfaces. When the rolling elements travel over these cracks, pieces, or flakes, of material break away. (Spalling is also referred to as “flaking,” “peeling,” or “pitting.”)
People also ask, what is spalling in bearing?
Spalling is the pitting or flaking away of bearing material. Spalling primarily. occurs on the races and the rolling elements.
What causes pitting on gear teeth?
Pitting occurs when fatigue cracks are initiated on the tooth surface or just below the surface. Usually pits are the result of surface cracks caused by metal-to-metal contact of asperities or defects due to low lubricant film thickness. Pitting can also be caused by foreign particle contamination of lubricant.