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Course Information
Course Unit Title : Fatigue
Course Unit Code : 01MAK5136
Type of Course Unit : Optional
Level of Course Unit : Second Cycle
Year of Study : Preb
Semester : 255.Semester
Number of ECTS Credits Allocated : 6,00
Name of Lecturer(s) : ---
Course Assistants :
Learning Outcomes of The Course Unit : 1) To learn material behaviour under the dynamic loading
2) To learn phase of failure formation
3) To learn Life calculation based on loading, notch and material
4) Fracture mechanics application in life calculation
Mode of Delivery : Face-To-Face
Prerequisities and Co-requisities Courses : Unavailable
Recommended Optional Programme Components : Unavailable
Course Contents : 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
Languages of Instruction : Turkish
Course Goals :
Course Aims : Evaluation of fatigue failure of machine parts subjected to cycling loadings 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
WorkPlacement   Not Available
Recommended or Required Reading
Textbook : - Çelik ve dökme demirlerin yorulma dayanımı, Çev. Ş.Güleç, A.Aran, Tübitak Yayınları, 1983.
Additional Resources : - Fundamentals of Metal Fatigue Analysis, J.A. Bannantine, J.J. Comer, Prentice Hall, New Jersey 1990.
- N.E. Dowling, Mechanical Behavior of Materials: Engineering Methods of Deformation, Fracture, and Fatigue, 2nd ed., Prentice-Hall, , New Jersey, 1999.

Material Sharing
Documents :
Assignments :
Exams :
Additional Material :
Planned Learning Activities and Teaching Methods
Lectures, Practical Courses, Presentation, Seminar, Project, Laboratory Applications (if necessary)
ECTS / Table Of Workload (Number of ECTS credits allocated)
Student workload surveys utilized to determine ECTS credits.
Activity :
Number Duration Total  
Course Duration (Excluding Exam Week) :
14 5 70  
Time Of Studying Out Of Class :
14 4 56  
Homeworks :
1 15 15  
Presentation :
0 0 0  
Project :
0 0 0  
Lab Study :
0 0 0  
Field Study :
0 0 0  
Visas :
1 15 15  
Finals :
1 25 25  
Workload Hour (30) :
30  
Total Work Charge / Hour :
181  
Course's ECTS Credit :
6      
Assessment Methods and Criteria
Studies During Halfterm :
Number Co-Effient
Visa :
1 50
Quiz :
1 10
Homework :
4 30
Attendance :
0 0
Application :
0 0
Lab :
0 0
Project :
0 0
Workshop :
0 0
Seminary :
1 10
Field study :
0 0
   
TOTAL :
100
The ratio of the term to success :
50
The ratio of final to success :
50
TOTAL :
100
Weekly Detailed Course Content
Week Topics  
1 Fatigue loading and fatigue fracture, mechanism, impotance and basis effects
 
2 Microscopic data of fractured parts and loading relations
 
3 To determine fatigue strength, wohler curve, low-cycle fatigue and long-cycle fatigue areas, to get strain-cycle number curve, statistic methods
 
4 Using of SMITH diagram in design
 
5 Material selection for fatigue loading, fatigue properties of steel and cast ironand their diffrences, Wohler and Smith diagrams, basic acceptance on determining materials properties
 
6 Fatigue behaviour of welded link, effects of heat treatments and results
 
7 Fatigue of materials in corrosive condition and results
 
8 Midterm exam
 
9 Effects of coatings in corrosion fatigue
 
10 Effect of constructive notchs on fatigue behaviour
 
11 Fatigue properties of plastic and compoiste materials. Calculation of fatigue strength for machine parts
 
12 Fatigue properties of plastic and compoiste materials. Calculation of fatigue strength for machine parts
 
13 In determining fatigue life for cracked parts, fracture mechanics approach and its applicaiton
 
14 Fatigue phase diagram, numerical examples belogn to classical design in fatigue, to take preventive measures in point of increasing fatigue strength and applications