SCIENCE AND TECHNOLOGY OF WELDING (CASTING - WELDING)
| Title | ΕΠΙΣΤΗΜΗ ΚΑΙ ΤΕΧΝΟΛΟΓΙΑ ΣΥΓΚΟΛΛΗΣΕΩΝ (ΧΥΤΕΥΣΗ ΣΥΓΚΟΛΛΗΣΕΙΣ) / SCIENCE AND TECHNOLOGY OF WELDING (CASTING - WELDING) |
| Code | 301 |
| Faculty | Engineering |
| School | Mechanical Engineering |
| Cycle / Level | 1st / Undergraduate |
| Teaching Period | Winter |
| Coordinator | Fani Stergioudi |
| Common | Yes |
| Status | Active |
| Course ID | 20000431 |
Programme of Study: UPS of School of Mechanical Engineering
Registered students: 11
| Orientation | Attendance Type | Semester | Year | ECTS |
|---|---|---|---|---|
| Design and Structures | Compulsory Course belonging to the selected specialization (Compulsory Specialization Course) | 9 | 5 | 5 |
| Academic Year | 2020 – 2021 |
| Class Period | Winter |
| Faculty Instructors |
|
| Instructors from Other Categories | |
| Weekly Hours | 4 |
| Class ID | 600170963
|
Course Type 2016-2020
- Scientific Area
Course Type 2011-2015
Specific Foundation / Core
Mode of Delivery
- Face to face
Digital Course Content
- e-Study Guide https://qa.auth.gr/en/class/1/600170963
Language of Instruction
- Greek (Instruction, Examination)
Prerequisites
General Prerequisites
Specialized knowledge about the effect of microstructure on the mechanical properties of materials
Learning Outcomes
Students are expected to
- acquire the knowledge of the fundamentals of welding and of the different welding methods.
- understand the main principles of Metallurgy of welding and the effect of various welding parameters in the structure and properties of welds.
- to identify the discontinuities of welds and understand how to prevent and detect them.
General Competences
- Apply knowledge in practice
- Retrieve, analyse and synthesise data and information, with the use of necessary technologies
- Make decisions
- Work autonomously
- Respect natural environment
- Be critical and self-critical
- Advance free, creative and causative thinking
Course Content (Syllabus)
Introduction, Energy sources for welding (Electrical sources-Arc welding-Resistance welding-Electroslag welding, Chemical sources-Oxyfuel gas welding-Thermit welding, Optical sources-Electron Beam welding-Laser beam welding, Solid state sources-Explosion welding-Ultrasonic welding-Friction welding-Diffusion welding) Electrode, Characteristics of the welding arc, Metal transfer, Heat flow in welding (Distribution of temperature, peak temperatures distribution, cooling rates, solidification rates, weld thermal cycle), The Metallurgy of welding. Weld discontinuities (Cracks, geometric discontinuities, lack of fusion, lack of penetration, inclusions, porosity), Inspection of welds, Welding of metals and alloys.
The course includes hands-on workshops for metal welding using various techniques and microstuctural evaluation of the welds.
Keywords
Metal welding, Electrode, Heat flow, Weld discontinuities
Educational Material Types
- Notes
- Slide presentations
- Book
Use of Information and Communication Technologies
Use of ICT
- Use of ICT in Course Teaching
- Use of ICT in Communication with Students
Description
Power point presentations and video are used during the lectures. The site of the course includes the syllabus, lab exercises and announcements. E-mail is used, when needed, to facilitate the communication with students.
Course Organization
| Activities | Workload | ECTS | Individual | Teamwork | Erasmus |
|---|---|---|---|---|---|
| Lectures | 78 | 2.6 | ✓ | ||
| Reading Assigment | 40 | 1.3 | ✓ | ||
| Written assigments | 29 | 1.0 | ✓ | ||
| Exams | 3 | 0.1 | |||
| Total | 150 | 5 |
Student Assessment
Description
Final written exam with multiple choice questions, short answer questions and problems solving.
Student Assessment methods
- Written Exam with Multiple Choice Questions (Formative, Summative)
- Written Exam with Short Answer Questions (Formative, Summative)
- Written Exam with Problem Solving (Formative, Summative)
Bibliography
Course Bibliography (Eudoxus)
• Επιστήμη και Τεχνολογία των συγκολλήσεων (σύγγραμμα Δ. Παντελή, Β. Παπάζογλου, Γ. Χαϊδεμενόπουλου, Εκδόσεις Τζιόλα.) ISBN 978-960-418-658-7
• Σημειώσεις μαθήματος για συγκολλήσεις, Καθ. Στέφανος Σκολιανός
Additional bibliography for study
Welding Metallurgy, Sindo Kou, Wiley-Interscience; 2 edition, 2002
Metallurgy of Welding, John Lancaster, Woodhead Publishing; 6th edition, 1999
AWS Welding Handbooks, vol. 1-4, AWS, 9th Edition
ASM Handbook, Volume 6A: Welding Fundamentals and Processes, ASM International, 2011.
Last Update
31-08-2020
