Tribology Wiki


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Boundary Lubrication Regimme

Boundary Lubrication

What is Boundary Lubrication? Boundary lubrication describes situations where the applied load is primarily supported by contacting solid asperities, rather than a liquid lubricant. The boundary lubrication regime acts when the lambda ratio (the ratio […]

Surface Fatigue

Surface Fatigue

What is surface fatigue? Surface fatigue is the failure on the top layer of a body due to repeated loading. It can be differentiated from other types as it only occurs on the surface. It […]

Engine bearing

Engine Bearing

The Engine Bearing (Main Bearing) The internal combustion engine (piston engine) currently is still the most common engine used in automotive indutstry, even though the electric vehicles using electric vehicles are getting rapidly popular. Combustion […]

Friction Coefficient

Laws of Friction

Amonton’s laws of friction are categorized as the classical version of friction laws which have highly been accepted by the engineers dealing with friction. Guillaume Amontons has earned his name in the field of physics […]

galled specimen

Galling

What is galling? Severe types of adhesive wear are often called galling, scuffing, welding or smearing, although these terms are sometimes used loosely to describe other types of wear. In metal-to-metal wear tests, high stresses […]

Four Ball Tester RTEC Instruments

Four Ball Tester

Oil lubrication and lubrication technologies are essential in reducing friction and wear losses in machines. The key in efficiency of the frictional system is a lubricant (grease, oil, solid lubricants). Four Ball Tester, also known […]

Pin on disc

Pin on Disk Test

Pin on Disk Test Friction and wear (typically wear rates and wear resistance) characterization of materials is typically performed using various types of tribometers, while pin on disk test being probably one of the most […]