Tribology, Lubrication, Lubricants

Experimental and/or numerical models are developed to understand and plan the processes of lubrication, friction, wear as well as the behavior of the mechanical systems and their interfaces under complex, static or dynamic stress.

R&D AREAS

Fluid lubricants
High pressure rheology
Constitutive laws of lubricants
Tribological expertise

Rheological characterization of lubricants under pressure, in temperature and under shear stress
Identification of constitutive laws of lubricants
Study of the lubricated contacts: regimes of lubrication, friction, lubricating layers
Tribological expertise

High pressure viscometer, high pressure rheometer
Rheometers
Tribometers
Roughness measuring devices
Scanning electron microscope
Instrumented tribometers for simulating many types of contacts
Raman spectrometer for in-vivo analysis of surfaces and tribological interfaces
Density meter, refractometer, tensiometer

Transport: automotive, aeronautics, railroad, maritime
Energy
Medical devices
Sport

Study of the rheological behavior of lubricants at atmospheric pressure (curves of stabilized flow, yield shear stress, dynamic study, creep …)
Determination of pressure-viscosity coefficients up to 800MPa and 140°C
Study of lubricants behavior under shear stress under pressure (between 200 and 400MPa up to 60°C)
Surface tension and contact angles measurement (wetting)
Tribological expertise: observation of surfaces in microscopy; research of damage causes in contacts

Find out more

http://lamcos.insa-lyon.fr/index.php?L=2

Research & Development

Research &
Development