Lecture: Contact Mechanics

Module Title:

• Contact mechanics and friction

Offering Institution:

• Friedrich Schiller University Jena, OSIM

Professor/ Lecturer:

• Prof. Dr. Enrico Gnecco

Degree Program:

• Materials Science (Master Degree, elective Course)

Learning Goals:

• Introduction to the mechanics of static, sliding and rolling contacts between surfaces
• Introduction to new experimental analysis methods and theoretical models of friction processes

Content Description:

• Normal contact without adhesion - Hertzian contact
• Tangential contact problem
• Rolling contact
• Contact between rough surfaces - Persson's theory
• Rubber friction
• Adhesive contact
• Thermal and electrical effects in contacts
• Plastic contacts
• Stick-slip effect
• The Prandtl-Tomlinson model
• Introduction to nanotribology
• Nanomanipulation
• Wear

Competences to be acquired:

• 50% – expertise
• 30% – methodological competence
• 15% – system competence
• 5% – social skills

Forms of Teaching and Learning:

• 30 h – Lectures (2 hours per week)
• + 30 h – Übung (2 hours per week)
• + 30 h – self Studies: after Work of Lectures and Exercises
• + 30 h – self Studies: solve Questions
• + 30 h – self Studies: Exam Preparation
• = 150 h – total Workload

Prerequisite for Participation:

• none

Preparation for Participation in the Module:

• E. Gnecco, E. Meyer, Elements of Friction Theory and Nanotribology, Cambridge University Press 2015
• V. Popov, Kontaktmechanik und Reibung, Springer 2009

Usability of the Module in other Courses:

• –

Prerequisite for awarding Credit Points:

• written final Exam, 90 minutes

Number of Credit Points:

• 5

Frequency of offering the Module:

• every Summer Semester

Duration of the Module:

• one Semester