Wear and corrosion of metallic materials
Duration : 21 hours
ECTS Credits : 2
Semester : S9
Person(s) in charge:
Silvère BARRAT, Professor, firstname.lastname@example.org
Keywords: Wear and corrosion of metallic materials
Control of wear and corrosion of metallic materials
Program and Contents:
- Solid surface topography - characterization and analysis of surface roughness.
- Definition and history of tribology. Industrial significance. Definition of a tribological system.
- The understanding of solid contact mechanics to optimize industrial applications.
- The laws of “dry” friction. The various types of friction: Static and dynamic friction, sliding, rolling, viscous and aerodynamic friction.
- Basic wear processes: abrasive wear and mechanisms, adhesive wear, rolling contact wear.
- Wear quantification: the different types of machines, Archard’s law.
- Friction and wear examination of engineering materials (rotation of a helicopter engine, crankshaft journal).
- Introduction to water corrosion for metallic materials: thermodynamic and kinetic aspects,
- introduction to galvanic series. Costs of corrosion and the means to reduce them. The different types of corrosion: uniform corrosion, galvanic corrosion, crevice corrosion, pitting corrosion, intergranular corrosion, selective corrosion, erosion corrosion, stress corrosion, hydrogen corrosion. Application of corrosion in the petroleum industry (guest lecturer in this field).
Description and operational verbs
The most negative damage for structural materials is often mechanical, chemical or a combination of both
Understanding “dry” friction and wear mechanisms (tribology concept).
Characterize the friction in a corrosive environment
Main corrosion mechanisms in a damp environment.The coupled phenomena of stress corrosion and tribocorrosion.
Develop specific processes.
Final test on all of the preceding items (2 hours)