345-0906/01 – Theory of Welding (TESVA)

Gurantor departmentDepartment of Mechanical TechnologyCredits10
Subject guarantorprof. Ing. Ivo Hlavatý, Ph.D.Subject version guarantordoc. Ing. Drahomír Schwarz, CSc.
Study levelpostgraduateRequirementChoice-compulsory
YearSemesterwinter + summer
Study languageCzech
Year of introduction1997/1998Year of cancellation2011/2012
Intended for the facultiesFSIntended for study typesDoctoral
Instruction secured by
LoginNameTuitorTeacher giving lectures
HLA80 prof. Ing. Ivo Hlavatý, Ph.D.
KOU40 prof. Ing. Jaroslav Koukal, CSc.
SH170 doc. Ing. Drahomír Schwarz, CSc.
Extent of instruction for forms of study
Form of studyWay of compl.Extent
Full-time Credit and Examination 25+0
Combined Credit and Examination 25+0

Subject aims expressed by acquired skills and competences

The aim of the object is to provide PhD students with the complex science information about the theoretical principles of welded joints formation at fusion and pressure welding, physical principles of the metal welding processes, metallurgical behavior between weld metal and slag or shielding gases, weld metal formation and weld metal crystallization principles, phase transformations in the weld joints, weld joints cracking phenomena, deformation and tension processes in the welds, materials weldability and theoretical principles of materials brazing. Based on the received information the students will be able to independently scientifically solve the task in the both the basic and applied research activities in the field of welding.

Teaching methods

Individual consultations
Project work

Summary

The subject Theory of Welding includes theoretical principles of welding joints origin. Physical principles of metals welding processes, metallurgical reactions between weld metal and slag or protective gas. Principles of origin and crystallization weld pool, structural transformation of welded joints, cold cracking and hot cracking of welded joints, Lamellar tearing, PWHT tearing deformation and stresses in welded joints, weldability of materials, theoretical principles of tests welded joints, soldering, brazing and thermal cutting of materials.

Compulsory literature:

HOULDCROFT, P., JOHN, R. Welding and Cutting, Woodhead – Faulkner, New York, 1988. LANCASTER, J.F. Metallurgy of Welding, London, Allen and Un win, 1987. EASTERLING, K. Introduction to the Physical Metallurgy of Welding, Butterworths London, 1983. ROBERT, W., MESSLER, J.R. Principles of Welding, WILEY – Interscience, 1999.

Recommended literature:

LANCASTER, J.F. Physical of Welding, Oxford, Pergamon Press, 1986. Kondapalli Siva Prasad, Chalamalasetti Srinivasa Rao, Damera Nageswara Rao. Study on Weld Quality Characteristics of Micro Plasma Arc Welded Austenitic Stainless Steels. Procedia Engineering, Volume 97, 2014, Pages 752-757, ISSN 1877-7058, http://www.sciencedirect.com/science/article/pii/S1877705814033736.

Way of continuous check of knowledge in the course of semester

E-learning

Další požadavky na studenta

Prerequisities

Subject has no prerequisities.

Co-requisities

Subject has no co-requisities.

Subject syllabus:

EN: 1. Physical principles of the process metals welding. 2. Thermo cycles by welding. 3. Heat affected zone of welded joints. 4. Metallurgical reactions between weld metal and slag or protective gas. 5. Absorption gases in welds. 6. Weld pool and crystallization of weld metal. 7. Structural transformations and properties of weld metal. 8. Cracking of welded joints. 9. Weldability of materials. 10. Deformation cycle by welding. 11. Soldering and Brazing – theoretical principles. 12. Theory of thermal cutting of materials. 13. Testing of welded joints.

Conditions for subject completion

Combined form (validity from: 1960/1961 Summer semester, validity until: 2012/2013 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
2011/2012 (P2346) Mechanical Engineering (2303V002) Mechanical Engineering Technology P Czech Ostrava Choice-compulsory study plan
2011/2012 (P2346) Mechanical Engineering (2303V002) Mechanical Engineering Technology K Czech Ostrava Choice-compulsory study plan
2011/2012 (P2301) Mechanical Engineering (2303V002) Mechanical Engineering Technology P Czech Ostrava Choice-compulsory study plan
2011/2012 (P2301) Mechanical Engineering (2303V002) Mechanical Engineering Technology K Czech Ostrava Choice-compulsory study plan
2010/2011 (P2301) Mechanical Engineering (2303V002) Mechanical Engineering Technology P Czech Ostrava Choice-compulsory study plan
2010/2011 (P2301) Mechanical Engineering (2303V002) Mechanical Engineering Technology K Czech Ostrava Choice-compulsory study plan
2009/2010 (P2301) Mechanical Engineering (2303V002) Mechanical Engineering Technology P Czech Ostrava Choice-compulsory study plan
2009/2010 (P2301) Mechanical Engineering (2303V002) Mechanical Engineering Technology K Czech Ostrava Choice-compulsory study plan
2008/2009 (P2301) Mechanical Engineering (2303V002) Mechanical Engineering Technology P Czech Ostrava Choice-compulsory study plan
2008/2009 (P2301) Mechanical Engineering (2303V002) Mechanical Engineering Technology K Czech Ostrava Choice-compulsory study plan
2007/2008 (P2301) Mechanical Engineering (2303V002) Mechanical Engineering Technology P Czech Ostrava Choice-compulsory study plan
2007/2008 (P2301) Mechanical Engineering (2303V002) Mechanical Engineering Technology K Czech Ostrava Choice-compulsory study plan
2006/2007 (P2301) Mechanical Engineering (2303V002) Mechanical Engineering Technology P Czech Ostrava Choice-compulsory study plan
2006/2007 (P2301) Mechanical Engineering (2303V002) Mechanical Engineering Technology K Czech Ostrava Choice-compulsory study plan
2005/2006 (P2301) Mechanical Engineering (2303V002) Mechanical Engineering Technology P Czech Ostrava Choice-compulsory study plan
2005/2006 (P2301) Mechanical Engineering (2303V002) Mechanical Engineering Technology K Czech Ostrava Choice-compulsory study plan
2004/2005 (P2301) Mechanical Engineering (2303V002) Mechanical Engineering Technology P Czech Ostrava 1 Choice-compulsory study plan
2004/2005 (P2301) Mechanical Engineering (2303V002) Mechanical Engineering Technology K Czech Ostrava Choice-compulsory study plan
2001/2002 (P2301) Mechanical Engineering (2303V002) Mechanical Engineering Technology P Czech Ostrava 1 Choice-compulsory study plan

Occurrence in special blocks

Block nameAcademic yearForm of studyStudy language YearWSType of blockBlock owner