Information Package / Course Catalogue
Fatigue Behaviors of Materials
Course Code: MME534
Course Type: Area Elective
Couse Group: Second Cycle (Master's Degree)
Education Language: English
Work Placement: N/A
Theory: 3
Prt.: 0
Credit: 3
Lab: 0
ECTS: 8
Objectives of the Course

Evaluation of fatigue failure of machine parts subjected to cyclic loads and in design against to fatigue, to gain presentation of knowledge and skill about the relevant parameters based on material, heat treatment and part. To gain design experience with problems and/or examples on to students

Course Content

Definition of fatigue failure and mechanism. Types of fatigue loading. Fatigue strength of materials and calculation of experimentally. Fatigue strength diagrams. In design against to fatigue classic method and applications. Low-cycle fatigue. Basics of fracture mechanics. Crack growth relations and in design against to fatigue fractue mechanics approach

Name of Lecturer(s)
Learning Outcomes
1.Evaluate the application limits of miner rule and the assumptions made
2.Acquires knowledge about fatigue force and fracture, mechanism, importance and basic factors
3.Ability to utilize SMITH diagrams
4.Understands the fatigue properties of plastics and composite materials
5.Assessment of knowledge about fatigue phase diagram, quantitative examples of classical design in fatigue, measures to be taken in fatigue resistance incremental direction and applications
Recommended or Required Reading
1.Çelik ve dökme demirlerin yorulma dayanımı, Çev. Ş.Güleç, A.Aran, Tübitak Yayınları, 1983.
2.Fundamentals of Metal Fatigue Analysis, J.A. Bannantine, J.J. Comer, Prentice Hall, New Jersey 1990.
3.N.E. Dowling, Mechanical Behavior of Materials: Engineering Methods of Deformation, Fracture, and Fatigue, 2nd ed., Prentice-Hall, , New Jersey, 1999.
Weekly Detailed Course Contents
Week 1 - Theoretical
Fatigue loading and fatigue fracture, mechanism, impotance and basis effects
Week 2 - Theoretical
Microscopic data of fractured parts and loading relations
Week 3 - Theoretical
To determine fatigue strength, wohler curve, low-cycle fatigue and long-cycle fatigue areas, to get strain-cycle number curve, statistic methods
Week 4 - Theoretical
Using of SMITH diagram in design
Week 5 - Theoretical
Material selection for fatigue loading, fatigue properties of steel and cast ironand their diffrences, Wohler and Smith diagrams, basic acceptance on determining materials properties
Week 6 - Theoretical
Fatigue behaviour of welded link, effects of heat treatments and results
Week 7 - Theoretical
Fatigue of materials in corrosive condition and results
Week 8 - Intermediate Exam
Midterm
Week 9 - Theoretical
Effects of coatings in corrosion fatigue
Week 10 - Theoretical
Effect of constructive notchs on fatigue behaviour
Week 11 - Theoretical
Effects of surface hardening processes in plain and notched parts to fatigue strength
Week 12 - Theoretical
Fatigue properties of plastic and composite materials. Calculation of fatigue strength for machine parts
Week 13 - Theoretical
Fracture mechanics approach and its applications in determining fatigue life for cracked parts
Week 14 - Theoretical
Fatigue phase diagram, numerical examples belogn to classical design in fatigue, to take preventive measures in point of increasing fatigue strength and applications
Week 15 - Final Exam
Final Exam
Assessment Methods and Criteria
Type of AssessmentCountPercent
Midterm Examination1%30
Final Examination1%50
Seminar1%10
Assignment1%10
Workload Calculation
ActivitiesCountPreparationTimeTotal Work Load (hours)
Lecture - Theory1373130
Assignment62118
Individual Work6106
Midterm Examination120323
Final Examination120323
TOTAL WORKLOAD (hours)200
Contribution of Learning Outcomes to Programme Outcomes
PÇ-1
PÇ-2
PÇ-3
PÇ-4
PÇ-5
PÇ-6
PÇ-7
PÇ-8
PÇ-9
PÇ-10
PÇ-11
PÇ-12
OÇ-1
5
4
4
3
5
3
4
5
3
4
5
5
OÇ-2
4
3
3
4
5
3
4
5
3
5
5
5
OÇ-3
5
4
3
5
3
4
5
3
5
5
5
3
OÇ-4
4
5
4
3
5
3
5
4
3
5
4
5
OÇ-5
5
4
5
3
4
3
5
4
5
5
3
4
Adnan Menderes University - Information Package / Course Catalogue