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| MAK7336 | Tribology | 3+0+0 | ECTS:7.5 | | Year / Semester | Fall Semester | | Level of Course | Third Cycle | | Status | Elective | | Department | DEPARTMENT of MECHANICAL ENGINEERING | | Prerequisites and co-requisites | None | | Mode of Delivery | Face to face | | Contact Hours | 14 weeks - 3 hours of lectures per week | | Lecturer | Prof. Dr. Gençağa PÜRÇEK | | Co-Lecturer | None | | Language of instruction | | | Professional practise ( internship ) | None | | | | The aim of the course: | | To teach basic knowledge of tribology which consists of friction, wear and lubrication. |
| Programme Outcomes | CTPO | TOA | | Upon successful completion of the course, the students will be able to : | | | | PO - 1 : | learn the meaning and importance of tribolgy in mechanical engineering | 1,5,11 | 1 | | PO - 2 : | discuss the friction and wear of materials | 1,2,3,5,8,11 | 1 | | PO - 3 : | learn the lubricants and principles of lubrication | 1,3,5,11 | 1 | | PO - 4 : | analyze the tribological properties of bearings and gears | 1,5,11 | 1 | | PO - 5 : | select the materials for tribosystems | 1,3,5,11 | 1 | | CTPO : Contribution to programme outcomes, TOA :Type of assessment (1: written exam, 2: Oral exam, 3: Homework assignment, 4: Laboratory exercise/exam, 5: Seminar / presentation, 6: Term paper), PO : Learning Outcome | | |
| Principles of tribology, topographic characteristics of surfaces. Friction. Wear and wear mechanisms. Lubrication and lubricants. Sliding bearings. Rolling bearings and rolling contact fatigue. Tribological properties of gears and bearings. Material selection for tribo-systems. Tribological tests. |
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| Course Syllabus | | Week | Subject | Related Notes / Files | | Week 1 | Principles of tribology, topographic characteristics of surfaces | | | Week 2 | Friction and laws of friction | | | Week 3 | Wear and wear mechanisms | | | Week 4 | wear continued | | | Week 5 | Lubrication and lubricants | | | Week 6 | Lubrication and lubricants continued | | | Week 7 | Sliding bearings | | | Week 8 | Tribological properties of sliding bearings | | | Week 9 | Mid-term exam | | | Week 10 | Tribological properties of sliding bearings continued | | | Week 11 | Rolling bearings | | | Week 12 | Selection of rolling bearings and their rating lives | | | Week 13 | Tribological properties of rolling bearings | | | Week 14 | Rolling contact fatigue | | | Week 15 | Rolling contact fatigue continued | | | Week 16 | End-of-term exam | | | |
| 1 | Hutchings, I. M. 1992; Tribology: Friction and Wear of Engineering Materials, Edward Arnold, London, UK | | | 2 | Halling, J. 1989; Principles of Tribology, Macmillan Education Ltd., London, UK | | | |
| Method of Assessment | | Type of assessment | Week No | Date | Duration (hours) | Weight (%) | | In-term studies (second mid-term exam) | 12 | 16/12/2021 | 2 | 25 | | Presentation | 16 | 03/01/2022 | 3 | 25 | | End-of-term exam | 16 | 12/01/2022 | 3 | 50 | | |
| Student Work Load and its Distribution | | Type of work | Duration (hours pw) | No of weeks / Number of activity | Hours in total per term | | Yüz yüze eğitim | 3 | 14 | 42 | | Sınıf dışı çalışma | 9 | 14 | 126 | | Arasınav için hazırlık | 12 | 1 | 12 | | Arasınav | 1.5 | 1 | 1.5 | | Dönem sonu sınavı için hazırlık | 17 | 1 | 17 | | Dönem sonu sınavı | 1.5 | 1 | 1.5 | | Total work load | | | 200 |
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