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SimpleScalingLaws
General Topics
Contact Area vs. Load: Simple Scaling Laws
04.07.2016 Aydar Akchurin

“God made the bulk; surfaces were invented by the devil”, a Nobel prize winning physicist Wolfgang Ernst Pauli said. In tribology, as in many other sciences, surface features (asperities, roughness) play an important role. In […]

AFM_WearParticles
General Topics
Small Particles – Big Problems
27.06.2016 Aydar Akchurin

Tiny particles are all over around us and sometimes they may create problems. This is especially of concern with metal particles formed due to wear in man-made engineering devices. Particles formed in car disk brakes […]

General Topics
Determining Fatigue Wear Using Wear Particle Analysis Tools
26.06.2016 Aydar Akchurin

A nice article regarding the wear particles analysis in Machinery Lubrication, look further: http://www.machinerylubrication.com/Read/526/fatigue-wear-particle-analysis.

General Topics
Nordtrib 2016: conference summary and outlook on the field of tribology 50 years after the Jost report
19.06.2016 Dennis Ernens

Nordtrib 2016 came to a close last Friday and I returned home inspired and energized for the next stint in my PhD research. This post is an overview of the conference and summarises the outlook […]

HydratedLayerLubrication
Advanced Materials
Decrease Friction with Hydrogen Ions
13.06.2016 Aydar Akchurin

Currently, a large portion of consumed energy is used to overcome friction. Design of low friction components is a primary goal in building a sustainable society. Superlubricity, the state of ultralow friction (<0.01), has already […]

Leonardo da Vinci Forster III 72r
General Topics
Who is The First? Leonardo da Vinci!
06.06.2016 Aydar Akchurin

Leonardo di ser Piero da Vinci, the famous Italian engineer, architect, painter, musician, mathematician can also be considered as The First Tribologist! Although the term itself was invented approximately 450 years after Leonardo da Vinci […]

Gulf Spill
General Topics
Bio-lubricants and Environmentally Acceptable Lubricants (EAL)
29.05.2016 Dr Xavier Borras

The increasing awareness on environmental pollution caused by many chemicals, including lubricants, promotes the use of environmentally friendly products. There is a clear trend towards a more responsible use of lubricants and several legislations already […]

WaterBetweenDiamondSlabs
Computational Tribology
Ab Initio Analysis of Carbon Film Lubricity
16.05.2016 Aydar Akchurin

Carbon-based nanomaterials, coatings and films attracted a great attention due to proved possibility to achieve lowest friction and wear without environmental pollution. However, frequently, the state of the low friction is strictly related to the […]

glycerol_superlubricity_MD
Advanced Materials
The Mechanism of Glycerol Superlubricity
09.05.2016 Aydar Akchurin

Glycerol is a highly viscous liquid, generating friction coefficient of 0.1 and up for bearing steels in boundary lubrication. In full film EHL, pure glycerol generates high friction as well and therefore is rarely used […]

Computational Tribology
Hysteresis in Friction of Graphene
02.05.2016 Aydar Akchurin

Friction is a result of complex interaction of physical, chemical and mechanical forces at the sliding interface. Due to mentioned complexity, truly predictive models of friction are yet to be developed. As a result of […]

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Popular Wikis

  • Hertzian contact equations for elliptical, spherical and cylindrical contacts
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  • Pin on Disk Test
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  • Reynolds Equation - An Overview
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  • Lubricity Theory and Definition
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  • Laws of Friction
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  • Tribometers
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  • Greenwood and Williamson Contact Model
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  • Elastomers
  • Hydrodynamic Lubrication (HL): Theory and Definition
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  • Generalized Reynolds Equation: Derivation
  • Lubricant formulation
  • Minimum Quantity Lubrication and Its Importance
  • Derivation of Reynolds Equation from Navier-Stokes Equations
  • Analytical Solution of Reynolds Equation: Grubin's Approximation
  • Grease
  • What is Tribology?
  • Four Ball Tester
  • Oil Lubrication
  • What is grease?
  • Tribology History
  • What Are Lubricants?
  • Coefficients of Kinetic and Static Friction
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  • Dry Lubricants
  • Friction Coefficient Tables in Air and Vacuum
  • Lubricant Testing
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  • Rolling Contact Fatigue
  • Triboluminescence

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