| Learning Outcomes |
PO |
MME |
| The students who succeeded in this course: |
|
|
| LO-1 |
will be able to explain the materials behavior under stress. |
PO-2 Student analyzes system and system components or processes and gains the ability to apply modern design methods in this direction.
PO-6 Then, in the field of Machnical engineering uses existing methods and devices according to the standards, test design, test makes, collects data, analyzes and reviews the results.
|
Examination
|
| LO-2 |
will be able to define the crack initiation, propagation and types of fracture. |
PO-2 Student analyzes system and system components or processes and gains the ability to apply modern design methods in this direction.
PO-6 Then, in the field of Machnical engineering uses existing methods and devices according to the standards, test design, test makes, collects data, analyzes and reviews the results.
|
Examination
|
| LO-3 |
will be able to define impact test and ductile-brittle transition. |
PO-6 Then, in the field of Machnical engineering uses existing methods and devices according to the standards, test design, test makes, collects data, analyzes and reviews the results.
|
Examination
|
| LO-4 |
will be able to analyze Griffith Theory. |
PO-6 Then, in the field of Machnical engineering uses existing methods and devices according to the standards, test design, test makes, collects data, analyzes and reviews the results.
|
Examination
|
| LO-5 |
will be able to explain stress intensity factor and fracture toughness, Elastoplastic fracture mechanics, J integral and crack opening (COD), the effects of mechanical factors |
PO-6 Then, in the field of Machnical engineering uses existing methods and devices according to the standards, test design, test makes, collects data, analyzes and reviews the results.
|
Examination
|
| LO-6 |
will be able to explain defect concept, fatigue and fatigue damage, reasons of damages |
PO-2 Student analyzes system and system components or processes and gains the ability to apply modern design methods in this direction.
PO-6 Then, in the field of Machnical engineering uses existing methods and devices according to the standards, test design, test makes, collects data, analyzes and reviews the results.
|
Examination
|
| LO-7 |
will be able to define liner elastic fracture mechanic |
PO-6 Then, in the field of Machnical engineering uses existing methods and devices according to the standards, test design, test makes, collects data, analyzes and reviews the results.
|
Examination
|
PO: Programme Outcomes
MME:Method of measurement & Evaluation |
| Course Contents |
| Fracture occurring in different materials and types of loading conditions,the ductile breaking ,brittle transition fracture, fracture surfaces, the effect of temperature on fracture, fracture mechanics, stress intensity factor, Crack growth mechanisms, the shape and size of the crack tip plastic zone, Fracture toughness testing methods, Fracture mechanism maps .
|
| Weekly Course Content |
| Week |
Subject |
Learning Activities and Teaching Methods |
| 1 |
What are fracture and failure? Structure of solids, interatomic bonds |
Preperation, question-answer, discussion methods
|
| 2 |
Theoretical cohesive strength, crystal defects, real solids |
Preperation, question-answer, discussion methods
|
| 3 |
Fracture types and factors affecting them, impact test, fracture mechanism maps |
Preperation, question-answer, discussion methods
|
| 4 |
Crack formation; crack initiation and propagation |
Preperation, question-answer, discussion methods
|
| 5 |
Brittle solids and Griffiths theory |
Preperation, question-answer, discussion methods
|
| 6 |
Cracked materials, strain energy release rate (G) and stress-intensity factor (K) |
Preperation, question-answer, discussion methods
|
| 7 |
Linear elastic fracture mechanics (LEFM) |
Preperation, question-answer, discussion methods
|
| 8 |
mid-term exam |
|
| 9 |
Plastic zone length, limitations of LEFM, J-integral |
Preperation, question-answer, discussion methods
|
| 10 |
Fracture toughness, test techniques, toughening mechanisms |
Preperation, question-answer, discussion methods
|
| 11 |
Fatigue and creep |
Preperation, question-answer, discussion methods
|
| 12 |
Introduction to failure analysis, analysis of fracture surfaces |
Preperation, question-answer, discussion methods
|
| 13 |
Failure risk analysis in heat treatment operations |
Preperation, question-answer, discussion methods
|
| 14 |
Analysis of corrosion failures |
Preperation, question-answer, discussion methods
|
| 15 |
Case studies |
Preperation, question-answer, discussion methods
|
| 16 |
final exam |
|
| Recommend Course Book / Supplementary Book/Reading |
| 1 |
Paşa Yayla, Kırılma Mekaniği, Çağlayan Kitabevi, 2007 |
| Required Course instruments and materials |
|
