COURSE UNIT TITLE

: FRACTURE MECHANICS

DEGREE PROGRAMMES

Description of Individual Course Units

Course Unit Code Course Unit Title Type Of Course D U L ECTS
MME 5003 FRACTURE MECHANICS ELECTIVE 3 0 0 8

Offered By

Graduate School of Natural and Applied Sciences

Level of Course Unit

Second Cycle Programmes (Master's Degree)

Course Coordinator

ASSISTANT PROFESSOR BAHADIR UYULGAN

Offered to

M.Sc. Metallurgical and Material Engineering
Metallurgical and Material Engineering
Metallurgical and Material Engineering

Course Objective

Engineering component and structures produced according to classic design criteria have begun to face unexpected failures. After extensive investigations it was realized that some defecets found in materials, which until then were not taken into consideration in design, caused failures. Therefore, a new concept based on fracture mechanics was born. Obtaining the characteristic properties materials which control the length and propagation of cracks therefore, has got the main aim of fracture mechanics.

Learning Outcomes of the Course Unit

1   Will be able to identify the cause of failure by studying photomicrograph of facture surface,
2   Will be able to calculate linear- elastic fracture toughness values of materials,
3   Will be able to calculate elastic - plastic fracture toughness of materials,
4   Will be able to predict the life of materials under cycling loading.
5   Will be able to design according to the fracture mechanics under all kinds of loadings

Mode of Delivery

Face -to- Face

Prerequisites and Co-requisites

None

Recomended Optional Programme Components

None

Course Contents

Week Subject Description
1 Solution that are Useful in Fracture Phenomenon( Stress Field Around a Spherical and Eliptical Hole ),
2 Stress Field Around a Sharp Crack( Westergaard Solution), assignment.
3 Linear Elastic Fracture Mechanics( Crack Stability ),
4 Linear Elastic Fracture Mechanics( Stres Intensity Factor Relationships ), assignment.
5 Linear Elastic Fracture Mechanics( Crack Stability in Real Linear-Elastic Materials (the Mc Clintock and Dugdale Models, Effective Crack Length, Plane- Stress and Deformation ), assignment.
6 Linear Elastic Fracture Mechanics
7 Fracture Toughness Tests( Plane-Strain State, Plane-Stress State ), assignment.
8 I.Mid-term exam,
9 Elastic- Plastic Fracture Mechanicsi( CTOD Method, J Integral method ), assignment.
10 Elastic- Plastic Fracture Mechanics( CTOD Method, J Integral method ), assignment.
11 Elastic- Plastic Fracture Mechanics( CTOD Method, J Integral method ), assignment.
12 Fatigue Crack( The Initation and Propagation of Crack Under Constant Stress, Amplitude, Macroscopic and Microscopic Fracture Modes ), assignment.
13 II.Mid-term exam,
14 Crack Propagation Under AlteringStress Amplitude.

Recomended or Required Reading

1- Course Notes,
2- Herzberg, R.W., Deformation and Fracture Mechanics, John Wiley and Sons Publication, New York, 1983,
3- Vardar Ö., Fracture Mechanics, Boğaziçi University Publication, Istanbul,1988.

Planned Learning Activities and Teaching Methods

Lecture, homework, midterm and final exams.

Assessment Methods

SORTING NUMBER SHORT CODE LONG CODE FORMULA
1 ASG ASSIGNMENT
2 PRS PRESENTATION
3 FCG FINAL COURSE GRADE ASG * 0.50 + PRS * 0.50


*** Resit Exam is Not Administered in Institutions Where Resit is not Applicable.

Further Notes About Assessment Methods

Semester requirements are 2 mid-term and final exams and homeworks

Assessment Criteria

Program outcomes related with the questions on the exam paper are stated

Language of Instruction

Turkish

Course Policies and Rules

Precipitation to the course is important and it should be min.70%.

Contact Details for the Lecturer(s)

Mail : bahadir.uyulgan@deu.edu.tr

Office Hours

Monday : 10.00-12.00
Friday : 9.30- 11.30

Work Placement(s)

None

Workload Calculation

Activities Number Time (hours) Total Work Load (hours)
Lectures 12 3 36
Preparations before/after weekly lectures 12 4 48
Preparation for midterm exam 2 15 30
Preparation for final exam 1 20 20
Preparing assignments 8 6 48
Midterm 2 2 4
Final 1 2 2
TOTAL WORKLOAD (hours) 188

Contribution of Learning Outcomes to Programme Outcomes

PO/LOPO.1PO.2PO.3PO.4PO.5PO.6PO.7PO.8PO.9PO.10PO.11PO.12PO.13PO.14
LO.132342333
LO.2323332333
LO.3333332333
LO.4533432333
LO.5555555544

CONTACT INFORMATION
Dokuz Eylül Üniversitesi Cumhuriyet Bulvarı No: 144 35210 Alsancak / İZMİR
Phone: +90(232) 412 12 12 - Fax: +90 (232) 464 81 35

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