2019 Fundamentals of Tribology

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Academic unit or major
Undergraduate major in Mechanical Engineering
Instructor(s)
Tanaka Tomohisa  Ohtake Naoto  Hirata Atsushi  Tanaka Shinji 
Course component(s)
Lecture
Day/Period(Room No.)
Tue1-4(I121)  
Group
-
Course number
MEC.J333
Credits
2
Academic year
2019
Offered quarter
3Q
Syllabus updated
2019/4/8
Lecture notes updated
-
Language used
Japanese
Access Index

Course description and aims

This course focuses on basic concepts in tribology. The term 'tribology' is defined as : the science and technology of interacting surfaces in relative motion and of the practices related thereto [OECD. 1969]. By combining lectures and exercises, the course enables students to understand and acquire the fundamentals of tribology which are important for developments of real applications in mechanical engineering.

The aim of this lecture is to provide a broad based introduction to the interdisciplinary scientific discpline of tribology in engineering fields, including state of art in the information and practical solutions of problems.

Student learning outcomes

By the end of this course, students will be able to:
1) Understand basic aspects of friction and wear.
2) Understand and derive governing equations of hydrodynamic lubrication.
3) Understand basic aspects of surface roughness and contact mechnics.
4) Understand basic aspects of boundary lubrication.
5) Understand basic aspects of surface treatment.

Keywords

Tribology, Friction, Fluid lubrication, Boundary lubrication, Surface modification

Competencies that will be developed

Intercultural skills Communication skills Specialist skills Critical thinking skills Practical and/or problem-solving skills
- - - -

Class flow

The course is taught in lecture style. Exercise problems will be assigned every 2 or 3 classes. Required learning should be completed outside of the classroom for preparation and review purposes.

Course schedule/Required learning

  Course schedule Required learning
Class 1 Introduction (T.TANAKA) - fundamentals of tribology Understand the fundamental of tribology such as necessity, history, technical words et al.
Class 2 Surface and friction 1 (T.TANAKA) -contact of smooth surfaces Understand the surface, friction and contact of smooth surfaces.
Class 3 Fundamental of fluid film lubrication (T.TANAKA) - Stribeck curve Understand viscosity and Stribeck curve
Class 4 Fluid lubrication theory 1 (T.TANAKA) - Reynolds equation Derive Reynolds equation
Class 5 Fluid lubrication theory 2 (S.TANAKA) - journal bearings Understand the hydrodynamic lubrication theory of journal bearings.
Class 6 Fluid lubrication theory 3 (S.TANAKA) - elastohydrodynamic lubrication Understand EHL(elastohydrodynamic lubrication) theory
Class 7 Surfaces and friction 2 (S.TANAKA) - contact of rough surfaces Understand surface roughness and contact of rough surfaces.
Class 8 Surfaces and friction 3 (HIRATA) -friction of clean surfaces Understand surface layer of solid.
Class 9 Boundary lubrication 1 (HIRATA) - surface energy Understand surface energy.
Class 10 Boundary lubrication 2 (HIRATA) - adsorption Understand boundary lubrication and adsorption
Class 11 Boundary lubrication 3 (HIRATA) - lubricant properties Understand liquid/solid lubricants.
Class 12 Wear (OHTAKE) - wear map Understand the fundamental of wear.
Class 13 Tribomaterials and surface modification (OHTAKE) Understand the tribomaterials and surface treatment method.
Class 14 Surface modification 2 (OHTAKE) - properties of modified surfaces Understand the mechanical properties of modified surfaces.
Class 15 Special Topics (OHTAKE) Understand of tribological components.

Textbook(s)

KATO, T. and MASUKO,M. Fundamentals of Tribology. Tokyo:Baifukan, (Japanese)

Reference books, course materials, etc.

YAMAMOTO, Y. and KANETA, M. Tribology. Tokyo. Rikogakusha (Japanese)

Assessment criteria and methods

Students' knowledge of Triboloby, and applications will be assessed.
Final exams 80%, exercise problems 20%.

Related courses

  • MEC.F211 : Practical Fluid Mechanics
  • MEC.C201 : Mechanics of Materials
  • MEC.H201 : Machine Elements and Machine Drawing
  • MEC.J311 : Fundamentals of Precision Machinery
  • MEC.J432 : Mechanism and Control for Ultra-precision Motion
  • MEC.J331 : Fundamentals of Micro and Nano Machining
  • MEC.J531 : Micro and Nano Systems

Prerequisites (i.e., required knowledge, skills, courses, etc.)

No prerequisites

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