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| MAK7430 | Fatigue in Engineering Materials | 3+0+0 | ECTS:7.5 | | Year / Semester | Spring 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. Murat AYDIN | | Co-Lecturer | None | | Language of instruction | | | Professional practise ( internship ) | None | | | | The aim of the course: | | To teach fatigue phenomenon, types and mechanisms of fatigue. To teach component design resistant to fatigue and how to perform the fatigue tests. |
| Programme Outcomes | CTPO | TOA | | Upon successful completion of the course, the students will be able to : | | | | PO - 1 : | understand the fatigue phenomenon and perform the design resistant to fatigue | 1,3,4,11 | 1,5 | | PO - 2 : | perform the fatigue tests and determine the fatigue curves for various materials | 1,2,3,5,11 | 1 | | PO - 3 : | know relations used in fatigue and apply these in design | 1,2,5,11 | 1,3,5 | | PO - 4 : | know the mechanisms and the effects on fatigue | 1,3,5 | 1,5 | | PO - 5 : | know corrosion fatigue and the dispositions against to fatigue failure | 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 | | |
| Fatigue phenomenon. Types of fatigue and stres-number of cycles (S-N) curves. Fatigue strength and fatigue life. Fatigue mechanisms. Fatigue failure. Determination of crack-growth rate in fatigue. Simple ampric equations in fatigue. Fatigue testing. Corrosion fatigue.Factors affecting the fatigue |
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| Course Syllabus | | Week | Subject | Related Notes / Files | | Week 1 | Fatigue phenomenon | | | Week 2 | Fatigue phenomenon | | | Week 3 | Types of fatigue and stres-number of cycles (S-N) curves | | | Week 4 | Fatigue strength and fatigue life | | | Week 5 | Fatigue mechanisms | | | Week 6 | Fatigue mechanisms | | | Week 7 | Fatigue failure | | | Week 8 | Mid-term exam | | | Week 9 | Determination of crack-growth rate in fatigue | | | Week 10 | Simple ampric equations in fatigue | | | Week 11 | Fatigue testing | | | Week 12 | Corrosion fatigue | | | Week 13 | Corrosion fatigue | | | Week 14 | Factors affecting the fatigue | | | Week 15 | Factors affecting the fatigue | | | Week 16 | End-of-term exam | | | |
| 1 | Çimenoğlu, H. ve Kayalı, E.S. 1991; Malzemelerin Yapısı ve Mekanik Davranışları, İTÜ Kimya-Metalurji Fakültesi, İstanbul. | | | 2 | Forrest, P.G. 1970; Fatigue of Metals, Pergamon Pres, London. | | | |
| 1 | Sines, . and Waisman, J.L. 1959; Metal Fatigue, University of California Engineering Extension Series, McGraw-Hill Book Co., New York | | | 2 | Swanson, S.R. 1974; Handbook of Fatigue Testing, ASTM Publication STP 566, New York. | | | 3 | Boyer, H.E. 1986; Atlas of Fatigue Curves, American Society for Metals, Carnes Publication Services Inc., Ohio. | | | |
| Method of Assessment | | Type of assessment | Week No | Date | Duration (hours) | Weight (%) | | Mid-term exam | 9 | 22/11/2012 | 1 | 50 | | End-of-term exam | 16 | 10/01/2013 | 1 | 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 | 4 | 14 | 56 | | Arasınav için hazırlık | 15 | 1 | 15 | | Arasınav | 1 | 1 | 1 | | Dönem sonu sınavı için hazırlık | 20 | 1 | 20 | | Dönem sonu sınavı | 1 | 1 | 1 | | Total work load | | | 135 |
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