| Course Unit Code | 330-0319/04 |
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| Number of ECTS Credits Allocated | 4 ECTS credits |
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| Type of Course Unit * | Choice-compulsory |
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| Level of Course Unit * | First Cycle |
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| Year of Study * | |
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| Semester when the Course Unit is delivered | Summer Semester |
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| Mode of Delivery | Face-to-face |
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| Language of Instruction | English |
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| Prerequisites and Co-Requisites | Course succeeds to compulsory courses of previous semester |
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| Name of Lecturer(s) | Personal ID | Name |
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| SLA20 | Dr. Ing. Ludmila Adámková |
| FUS76 | doc. Ing. Martin Fusek, Ph.D. |
| Summary |
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| Předmět seznamuje studenty s problematikou únavy materiály, její příčiny a závislosti jak na vnitřních poměrech materiálu, tak na vnějších podmínkách, jako je tvar součásti a její namáhání. |
| Learning Outcomes of the Course Unit |
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| The students will be acquainted with the basis of Linear Elastic FractureMechanics. The great attention is devoted too the problems of High-Cycle Fatigue . |
| Course Contents |
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1. Types of material failure. Constructional and structural notches.
2. Notches and stress concentration. Stress concentration factor, stress gradient.
3. Linear elastic stress analysis of cracks.
4. Modes of fracture. Stress intensity factor.
5. Brittle fracture. Mechanical properties of materials.
6. Linear elastic fracture mechanics. Griffith, s criterium. Sih,s criterium.
7. Fatigue failure. Wohler diagram.
8. S-N curves. The factors effects of Fatigue Limit.
9. Mean stress effects. Amplitude-mean diagrams.
10. Effects of notches. Notches factors.
11. Multiaxial Fatigue.
12. Safety factors with multiaxial fatigue.
13. Prediction approach of high cyclic fatigue lifetime. Fatigue moduls (summary).
14. Temperature fatigue.
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| Recommended or Required Reading |
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| Required Reading: |
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| [1] DOWLING, N. E. Mechanical behavior of materials: engineering methods for deformation, fracture, and fatigue. Englewood Cliffs: Prentice Hall, c1993. ISBN 0-13-026956-5. |
[1] KUČERA, Josef. Úvod do mechaniky lomu: nestabilní lom ocelových těles při statickém a dynamickém zatížení. Ostrava: VŠB - Technická univerzita Ostrava, 2006. ISBN 80-248-1268-1.
[2] KUČERA, Josef. Stručný úvod do mechaniky lomu. II. část, Únava materiálu. Ostrava: VŠB - Technická univerzita Ostrava, 1994. ISBN 80-7078-244-7.
[3] DOWLING, N. E. Mechanical behavior of materials: engineering methods for deformation, fracture, and fatigue. Englewood Cliffs: Prentice Hall, c1993. ISBN 0-13-026956-5. |
| Recommended Reading: |
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| SURESH, S. Fatigue of materials. 2nd ed. New York: Cambridge University Press, 1998. ISBN 0-521-57847-7. |
| ZEMÁNKOVÁ,J. Technická mechanika I. Úvod do lomové mechaniky. 1. vyd. Praha:ČVUT, 1981.123 s. |
| Planned learning activities and teaching methods |
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| Lectures, Tutorials |
| Assesment methods and criteria |
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| Tasks are not Defined |