330-0319/04 – Fatigue of material (UM)

Gurantor department	Department of Applied Mechanics	Credits	4
Subject guarantor	doc. Ing. Martin Fusek, Ph.D.	Subject version guarantor	Dr. Ing. Ludmila Adámková
Study level	undergraduate or graduate
		Study language	English
Year of introduction	2019/2020	Year of cancellation
Intended for the faculties	FS	Intended for study types	Bachelor

Instruction secured by
Login	Name	Tuitor	Teacher giving lectures
SLA20	Dr. Ing. Ludmila Adámková
FUS76	doc. Ing. Martin Fusek, Ph.D.

Extent of instruction for forms of study
Form of study	Way of compl.	Extent
Full-time	Credit and Examination	2+2

Subject aims expressed by acquired skills and competences

The students will be acquainted with the basis of Linear Elastic FractureMechanics. The great attention is devoted too the problems of High-Cycle Fatigue .

Teaching methods

Lectures
Tutorials

Summary

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.

Compulsory literature:

[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.

Recommended literature:

SURESH, S. Fatigue of materials. 2nd ed. New York: Cambridge University Press, 1998. ISBN 0-521-57847-7.

Way of continuous check of knowledge in the course of semester

Test, example solutions

E-learning

Other requirements

Students will solve the problem according to the specified parameters.

Prerequisities

Subject has no prerequisities.

Co-requisities

Subject has no co-requisities.

Subject syllabus:

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.

Conditions for subject completion

Full-time form (validity from: 2019/2020 Winter semester)

Task name	Type of task	Max. number of points (act. for subtasks)	Min. number of points	Max. počet pokusů
Credit and Examination	Credit and Examination	100 (100)	51
Credit	Credit	35	20
Examination	Examination	65	16	3

Valid from	Valid until	Mandatory attendence participation
Mar 11, 2019 10:21:16 AM	Feb 15, 2023 8:55:38 AM	80%

Mandatory attendence participation: Credit conditions: - Physical presence for at least 80% of the exercises. - Development and defense of 2 projects. Exam: - On the basis of a successfully completed credit, the student can take the exam. The exam is combined (written and oral part).

Show history

Conditions for subject completion and attendance at the exercises within ISP: Credit conditions: - Development and defense of 2 projects. Exam: - On the basis of a successfully completed credit, the student can take the exam. The exam is combined (written and oral part).

Show history

Occurrence in study plans

Academic year	Programme	Branch/spec.	Zaměření	Form	Study language	Tut. centre	Year	Type of duty
2024/2025	(B0715A270012) Engineering	(S01) Applied Mechanics	PRU	P	English	Ostrava	3	Compulsory	study plan
2023/2024	(B0715A270012) Engineering	(S01) Applied Mechanics	PRU	P	English	Ostrava	3	Compulsory	study plan
2022/2023	(B0715A270012) Engineering	(S01) Applied Mechanics	PRU	P	English	Ostrava	3	Compulsory	study plan
2021/2022	(B0715A270012) Engineering	(S01) Applied Mechanics	PRU	P	English	Ostrava	3	Compulsory	study plan

Occurrence in special blocks

Block name	Academic year	Form of study	Study language	Year	W	S	Type of block	Block owner
ECTS - MechEng - Bachelor Studies	2024/2025	Full-time	English				Choice-compulsory	301 - Study and International Office	stu. block
ECTS - MechEng - Bachelor Studies	2023/2024	Full-time	English				Choice-compulsory	301 - Study and International Office	stu. block

Assessment of instruction

Předmět neobsahuje žádné hodnocení.