uguz@uludag.edu.tr 0224-2941966 Uludağ Üniv. Mühendislik-Mim. Fak. Görükle Bursa
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Website:
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Objective of the Course:
To introduce the mechanisms, causes and engineering approaches to fracture type damage of especially metallic engineering materials
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Contribution of the Course to Professional Development
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Learning Outcomes:
1
Have basic knowledge about fracture mechanics.;
2
Have information about the fracture behaviour of materials to be used in engineering.;
3
Have knowledge on problem solving methods in practice.;
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Course Content:
Week
Theoretical
Practical
1
Introduction and the content of the course. Reference publications. Materials; metallic materials, polymeric materials, ceramic materials and composite materials. Damage in materials. Fracture types in materials.
2
Theoretical fracture strength.
The evaluation of fracture mechanics.
3
Linear Elastic Fracture Mechanics (LEFM). The relationship between stress and strain.
Elastic stress-strain relationships. Principal planes and principal stresses. Stress at one point.
4
Two dimensional Mohr’s stress circle. Fracture toughness.
Energy balance.
5
The relationship between G and K.
Problems related with the previous topics.
6
Midterm exam + Course review
7
Crack tip plastic zone.
Plastic zone size and shape through specimen thickness.
8
Problems about plastic zone size calculations.
Elastic-Plastic Fracture Mechanics (EPFM).
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Crack opening displacement.
Problems about J integral and crack tip opening displacement.
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Introduction to scanning and transmission electron microscopes, operating principles.
Evaluation of micrographs from scanning electron microscopes, investigation of fracture surfaces.
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Linear Elastic Fracture Mechanics test method.
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Repeating courses and midterm exam
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Fatigue crack propagation.
The importance of microstructure in fracture mechanics. Term-work submission
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Safe design and crack inspection methods.
Residual strength.
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Textbooks, References and/or Other Materials:
Kırılma Mekaniğine Giriş, Agah Uğuz, Uludağ Üniversitesi Basımevi, 1996
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Assesment
TERM LEARNING ACTIVITIES
NUMBER
PERCENT
Midterm Exam
2
40
Quiz
0
0
Homeworks, Performances
1
10
Final Exam
1
50
Total
4
100
Contribution of Term (Year) Learning Activities to Success Grade
50
Contribution of Final Exam to Success Grade
50
Total
100
Measurement and Evaluation Techniques Used in the Course
Information
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ECTS / WORK LOAD TABLE
Activites
NUMBER
TIME [Hour]
Total WorkLoad [Hour]
Theoretical
14
2
28
Practicals/Labs
0
0
0
Self Study and Preparation
7
1
7
Homeworks, Performances
1
12
12
Projects
0
0
0
Field Studies
0
0
0
Midtermexams
2
7
14
Others
5
2
10
Final Exams
1
15
15
Total WorkLoad
86
Total workload/ 30 hr
2,87
ECTS Credit of the Course
3
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CONTRIBUTION OF LEARNING OUTCOMES TO PROGRAMME QUALIFICATIONS
