636-0809/01 – Fracture Mechanics (LM)

Gurantor departmentDepartment of Material EngineeringCredits5
Subject guarantorprof. Ing. Bohumír Strnadel, DrSc.Subject version guarantordoc. Ing. Stanislav Lasek, Ph.D.
Study levelundergraduate or graduateRequirementChoice-compulsory
Year1Semestersummer
Study languageCzech
Year of introduction2004/2005Year of cancellation2015/2016
Intended for the facultiesFMTIntended for study typesFollow-up Master
Instruction secured by
LoginNameTuitorTeacher giving lectures
LAS40 doc. Ing. Stanislav Lasek, Ph.D.
Extent of instruction for forms of study
Form of studyWay of compl.Extent
Full-time Credit and Examination 2+2
Combined Credit and Examination 12+4

Subject aims expressed by acquired skills and competences

The students are able to apply the fracture mechanics to practical examples of designing new industrial units and to analyse the fractures, occurring in the practice. All the informations are based on the american and european textbooks, as well as the practical examples of flaw growth and fractures.

Teaching methods

Lectures
Tutorials

Summary

The history of fracture mechanics, basic theory of strength and deformation, energy and stress approach to the solutions in the fracture mechanics. Fracture toughness testing, standard apprach to the problematics of fracture, calculation of stress intensity factor K for various types and geometry of cracks.Practical fracture mechanics of metals, composites and technical ceramics. Application of fracture mechanics at the solutions to slow crack growth by fatigue, stress corrosion cracking and hydrogen embrittlement. Fractography as the part of the solution of fracture origin at various practical conditions.

Compulsory literature:

[1] Anderson T. L: Fracture Mechanics. Fundamentals and applications, 2005, BAE, 621 p.

Recommended literature:

[1] Felbeck, D. K., Atkins A.G.: Strength and Fracture of Engineering Materials. Prentice Hall, Englewood, 1984, 542 p.

Way of continuous check of knowledge in the course of semester

E-learning

Další požadavky na studenta

There are no further requirements.

Prerequisities

Subject has no prerequisities.

Co-requisities

Subject has no co-requisities.

Subject syllabus:

Lectures: 1. History of fracture mechanics 2. Summary of basic principles and concepts 3. Mechanisms of fracture and crack growth 4. The elastic stress field at the crack tip 5. Plastic zone at the crack tip 6. Energy access 7. The fracture toughness under plane stress 8. Dynamics of fracture and crack stop 9. Transition behavior of metallic materials 10. Elasto fracture 11. Propagation of fatigue cracks 12. Propagation of cracks in corrosion cracking under stress and hydrogen embrittlement 13. The calculation of critical size defects, and environmental testing of structures 14. Catastrophic fractures in engineering practice Exercise: 1. Home Exercise 2. Examples of field strength and elasticity - the calculation of local stress 3. Examples from the field of fracture mechanics - a critical factor in calculating intensity for simple tension cracks 4. Calculation of critical stress intensity factor for real products 5. The calculation of critical size defects of elliptical 6. Calculation and measurement of fracture toughness 7. Calculation and measurement of Paris' relationship in evaluating fatigue 8. Methods of fracture mechanics in monitoring slow crack growth 9. Exercises and tests knowledge of fracture mechanics 10. Prediction of life in the nuclear energy 11. Prediction of life in aviation technology 12. Vote for the life of large assemblies 13. Practical solutions to industrial case of a fracture 14. Credit

Conditions for subject completion

Full-time form (validity from: 1960/1961 Summer semester, validity until: 2008/2009 Summer semester)
Task nameType of taskMax. number of points
(act. for subtasks)
Min. number of points
Exercises evaluation and Examination Credit and Examination 100 (145) 51
        Examination Examination 100  0
        Exercises evaluation Credit 45  0
Mandatory attendence parzicipation:

Show history

Occurrence in study plans

Academic yearProgrammeField of studySpec.FormStudy language Tut. centreYearWSType of duty
2014/2015 (N3923) Materials Engineering (3911T031) Diagnostics and Design of Materials P Czech Ostrava 1 Choice-compulsory study plan
2014/2015 (N3923) Materials Engineering (3911T031) Diagnostics and Design of Materials K Czech Ostrava 1 Choice-compulsory study plan
2013/2014 (N3923) Materials Engineering (3911T031) Diagnostics and Design of Materials P Czech Ostrava 1 Choice-compulsory study plan
2013/2014 (N3923) Materials Engineering (3911T031) Diagnostics and Design of Materials K Czech Ostrava 1 Choice-compulsory study plan
2012/2013 (N3923) Materials Engineering (3911T031) Diagnostics and Design of Materials P Czech Ostrava 1 Choice-compulsory study plan
2012/2013 (N3923) Materials Engineering (3911T031) Diagnostics and Design of Materials K Czech Ostrava 1 Choice-compulsory study plan
2011/2012 (N3923) Materials Engineering (3911T031) Diagnostics and Design of Materials P Czech Ostrava 1 Choice-compulsory study plan
2011/2012 (N3923) Materials Engineering (3911T031) Diagnostics and Design of Materials K Czech Ostrava 1 Choice-compulsory study plan
2010/2011 (N3923) Materials Engineering (3911T031) Diagnostics and Design of Materials K Czech Ostrava 1 Choice-compulsory study plan
2010/2011 (N3923) Materials Engineering (3911T031) Diagnostics and Design of Materials P Czech Ostrava 1 Choice-compulsory study plan
2009/2010 (N3923) Materials Engineering (3911T031) Diagnostics and Design of Materials P Czech Ostrava 1 Choice-compulsory study plan
2009/2010 (N3923) Materials Engineering (3911T031) Diagnostics and Design of Materials K Czech Ostrava 1 Choice-compulsory study plan
2008/2009 (N3923) Materials Engineering (3911T031) Diagnostics and Design of Materials K Czech Ostrava 1 Choice-compulsory study plan
2008/2009 (N3923) Materials Engineering (3911T031) Diagnostics and Design of Materials P Czech Ostrava 1 Choice-compulsory study plan
2007/2008 (N3923) Materials Engineering (3911T031) Diagnostics and Design of Materials K Czech Ostrava 1 Choice-compulsory study plan
2007/2008 (N3923) Materials Engineering (3911T031) Diagnostics and Design of Materials P Czech Ostrava 1 Choice-compulsory study plan
2006/2007 (N3923) Materials Engineering (3911T031) Diagnostics and Design of Materials K Czech Ostrava 1 Choice-compulsory study plan
2006/2007 (N3923) Materials Engineering (3911T031) Diagnostics and Design of Materials P Czech Ostrava 1 Choice-compulsory study plan
2005/2006 (N3923) Materials Engineering (3911T031) Diagnostics and Design of Materials K Czech Ostrava 1 Choice-compulsory study plan
2005/2006 (N3923) Materials Engineering (3911T031) Diagnostics and Design of Materials P Czech Ostrava 1 Choice-compulsory study plan
2004/2005 (N3923) Materials Engineering (3911T031) Diagnostics and Design of Materials K Czech Ostrava 1 Choice-compulsory study plan
2004/2005 (N3923) Materials Engineering (3911T031) Diagnostics and Design of Materials P Czech Ostrava 1 Choice-compulsory study plan

Occurrence in special blocks

Block nameAcademic yearForm of studyStudy language YearWSType of blockBlock owner