Description of Individual Course Units
Course Unit CodeCourse Unit TitleType of Course UnitYear of StudySemesterNumber of ECTS Credits
MTM-23-100WEAR MECHANISMElective126
Level of Course Unit
Second Cycle
Objectives of the Course
1. To learn the friction and wear mechanisms, to learn the measurement of the friction coefficient and the amount of wear 2. To provide the learning of the tribological evaluation of the developing technological new generation materials 3. To understand the components and importance of tribology. To enable students to use the data of this science and technology in design, manufacturing, operation and usage stages. 4.To learn friction and wear mechanisms, to learn the measurement of friction coefficient and wear quantity
Name of Lecturer(s)
Dr. Öğretim Üyesi Gökçen AKGÜN
Learning Outcomes
1Operation the use of tribological data in design, manufacturing, operation and their usage stages Consideration of tribological parameters during the shaping stages
Mode of Delivery
Daytime Class
Prerequisites and co-requisities
Recommended Optional Programme Components
Course Contents
Solid surface characterization, Analysis of surface roughness, Measurement of surface roughness, Contact between solid surfaces, Analysis of contact, Solid-solid contact, Laws of friction, Fluid film lubrication, Boundary lubrication, Wear and types of wear, Wear test methods, Micro/nanotribology, Bulk materials coatings and surface treatments for tribology,
Weekly Detailed Course Contents
WeekTheoreticalPracticeLaboratory
1Introduction to friction, wear and lubrication
2Surface Texture, Typical Friction and Wear Data, Surface Roughness, Deformation of Elastic and plastic
3Description and Classification of friction theories, static and dynamic friction, measurement of friction coefficient
4Rolling friction, Sliding friction, tribology terms such as dry, boundary, mixed and fluid film friction
5Basic wear definitions, wear test configurations, contact types, effect of temperature, pressure, velocity and humidity on wear resistance
6Tests of the friction and test systems , Discussion result of the friction tests
7Analysis of wear damage: Surface and subsurface properties, type, shape and size of wear products
8Midterm Exam
9Wear mechanisms: dry sliding wear, oxidative wear, abrasive wear, fatigue wear, polishing, erosive wear and fretting
10Analysis of wear failures: surface and subsurface features, type, shape and size of wear debris
11Discussion of wear tests, working principles and wear test results
12Surface engineering, Surface treatment, Coatings, Effect of surface modification on wear properties
13Surface treatments applied by changing the microstructure of the surface, surface treatments applied by changing the chemical structure of the surface, and investigation of wear damage samples
14Final Exam
Recommended or Required Reading
[1] Hutchings, I.M., Tribology: Friction and wear of Engineering Materials, Butterworth-Heinemann Ltd. ISBN 034056184X,1992. [2] Booser, E. R. Tribology Data Handbook 1,2,3 ISBN 0-8493-3904-3904-4, CRC Press ;New York 1997,USA [3] Ludema, C., Kenneth, Friction, Wear, Lubrication”, CRC Pres., 1996. [4] Totten, E., Liang, H.,“Mechanical Tribology”, Markel Dekker, 2004.. [5] Brushan Bharat,“Modern Tribology Handbook”, CRC Pres., 2001. [6] Brushan Bharat,“Micro/Nano Tribology”, CRC Pres., 1999.
Planned Learning Activities and Teaching Methods
Assessment Methods and Criteria
Term (or Year) Learning ActivitiesQuantityWeight
Midterm Examination1100
SUM100
End Of Term (or Year) Learning ActivitiesQuantityWeight
Final Examination150
Project Presentation150
SUM100
Term (or Year) Learning Activities20
End Of Term (or Year) Learning Activities80
SUM100
Language of Instruction
Turkish
Work Placement(s)
Workload Calculation
ActivitiesNumberTime (hours)Total Work Load (hours)
Midterm Examination19090
Final Examination19090
TOTAL WORKLOAD (hours)180
Contribution of Learning Outcomes to Programme Outcomes
LO1
* Contribution Level : 1 Very low 2 Low 3 Medium 4 High 5 Very High
 
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