Reference
Knowledge
The engineering encyclopedia — concepts, worked examples and real failure analyses from four decades of practice. Content is preserved from the original site; only the presentation is modernized.
Tribology
Adhesion in dry rubbing metal–metal contactsMeasured friction and wear for dry metal pairs against bearing steel, and why high-shear materials give the highest friction.Aquaplaning as full hydrodynamic lubricationAquaplaning explained as a case of full-film hydrodynamic lubrication between tyre and road.Calculation of wear rateA common used equation to compute the wear rate is (Archard,1953)...Combustion engine lubrication system.The lubrication of the cylinder liner, the piston, the piston rings, the cams / camshaft and the rod bearing.elastisch kruisscharnierKruisscharnier Berekening buigstijfheid en maximale hoekverdraaiing E = GPa L = mm b= h= Berekening buigstijfheid dø/dM dø/dM= 1/Nm De belangrijkste eigenschap van zogenaamde…Formula one racing, material reliability and high performance are essentialFORMULA ONE RACING The first classical law of friction states: “The size of the contact surface does not influence the friction”. Why, then, are tires for the Formula 1 racing…Formula one racing, material reliability and high performance are essentialFORMULA ONE RACING Braking is one of the biggest strengths of a Formula One car. The brake disks of Formula 1 cars are made of a composite material reinforced with carbon fibre.…Grease lubricationHow grease lubricates, when to prefer it over oil, and the basics of grease selection.High performance Polymers / engineering polymers.Physical properties of hard wearing low friction polymers.History of science frictionLeonardo Da Vinci (1452-1519), Guillaume Amontons (1663-1705), Charles August Coulomb (1736-1806)How to measure the coefficient of frictionPractical methods and pitfalls in measuring the coefficient of friction between surfaces.Oil=Oil?Industrial oils / Engine oils / additives and specialty oils.Pin-on-ring test rig.The standard configuration for tribology research on materials, coatings and lubricants.Screw lubricationLubricant selection for screw drives and screw joints, lubselectSolid lubricantsSolid lubricants — graphite, MoS₂, PTFE and coatings — and where each is used.The Stribeck curve vs the transition diagramThe Stribeck curve and how it relates to the lubrication regimes and the transition diagram.Viscosity classificationsISO VG, SAE and other viscosity classifications for lubricants, and how they relate.
Bearings
Beauchamp tower (1883)Hydrodynamic lubrication is first discovered in England by Beauchamp Tower.ceramic ball bearingsThe centrifugal load of ceramic balls versus higher modulus of elasticityFormule 1, olie analyse en condition based maintenanceFORMULe 1 olie analyse Opname slijtagedelen grootte analyse in olie. Grote deeltjes worden afhankelijk van de concentratie verder geanalyseerd om de herkomst te verklaren. Een…Sintered bearingsPorous materials, Lubrication regimes, Running in, friction and wear...
Failure analysis
Failure analysis: rail contactRolling-contact fatigue and wear at the wheel–rail interface, read from the damaged surface.How toFrequently Asked Questions in Machine designISO failure mode classification for bearing damageThe ISO classification of rolling-bearing damage modes, with the visual signatures of each.ISO failure mode classification for gears (ISO 10825)Gear failure modes per ISO 10825 — pitting, wear, scuffing and fracture — and how to tell them apart.
General
Calculator compressed air energy storageAdiabatic expansion, isothermal expansion, compressed air driven cars, air carsFormula one racing, material reliability and high performance are essentialFORMULA ONE RACING In Formula one racing, material reliability and great performance are essential. How is it, for example, that one team experiences several engine blow-ups in…Formula one racing, material reliability and high performance are essentialFORMULA ONE RACING In Formula one racing, material reliability and great performance are essential. How is it, for example, that one team experiences several engine blow-ups in…Hard disk/ slider disk interface.The flying height between the head and the hard disk.Oppervlaktebehandelingen waaronder een uitgebreid overzicht van deklagenoppervlaktebehandelingen Achtergronden en definities Coatings, wanneer en waarom? Selectie van de ideale Coating. Indeling naar procesmedium Eigenschappen van Coatings…