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Risorsa bibliografica obbligatoria
Risorsa bibliografica facoltativa
Scheda Riassuntiva
Anno Accademico 2019/2020
Scuola Scuola di Ingegneria Industriale e dell'Informazione
Insegnamento 052450 - SOLIDIFICATION AND WELDING METALLURGY
Docente Castrodeza Enrique Mariano
Cfu 6.00 Tipo insegnamento Monodisciplinare

Corso di Studi Codice Piano di Studio preventivamente approvato Da (compreso) A (escluso) Insegnamento
Ing Ind - Inf (Mag.)(ord. 270) - BV (483) MECHANICAL ENGINEERING - INGEGNERIA MECCANICA*AZZZZ052450 - SOLIDIFICATION AND WELDING METALLURGY

Obiettivi dell'insegnamento

The goal of this course is to achieve a deep comprehension on the principles of solidification and welding metallurgy, as well as the most common welding processes for metals. The fundamentals of solidification of metals are presented and the main industrial welding processes are discussed in depth. The fracture toughness of welded joints is also discussed and guidelines for its experimental evaluation are provided.


Risultati di apprendimento attesi

After attending the course and after the final examination, the student will:

  • understand the basic aspects of the solidification of metals;
  • know and understand the main industrial welding processes for metals, including your advantages, limitations and field of application;
  • understand the metallurgical processes that occur in every region of fusion welding, including the main variables that controls the final microstructure of the weld metal and the heat affected zone for minimizing the presence of fragile zones.

Argomenti trattati

Introduction to Solidification: Nucleation in pure liquids; Solidification of Binary Alloys; Solidification Modes; Solidification Parameters.

Welding: Fusion Welding Processes; Heat Flow in Welding; Residual Stresses and Distortion.

The Fusion Zone: Weld Metal Solidification; Post-Solidification Phase Transformations; Weld Metal Chemical Inhomogeneities; Weld Metal Solidification Cracking.

The Partially Melted Zone: Formation of the Partially Melted Zone; Problems associated with the Partially Melted Zone.

The Heat-Affected Zone (HAZ): Formation of the Heat-Affected Zone; Problems associated with the Heat-Affected Zone.

Fracture Toughness of Welded Joints: Elastic-Plastic Fracture Mechanics (CTOD, J-Integral, etc.); Crack Growth Resistance Curves; Standardized Methodologies for Fracture Toughness Evaluation.


Prerequisiti

The previous attendance of Mechanical Technology I (Tecnologia Meccanica I) is suggested.


Modalità di valutazione

Written test with some exercise and questions. This test will verify if the students have got the theoretical knowledge and understanding about welding of metals and its fracture toughness, as well as the ability of apply these concepts on the assessment of welded joints.


Bibliografia
Risorsa bibliografica obbligatoriaK. Easterling, Introduction to the Physical Metallurgy of Welding, Editore: Butterworth-Heinemann, Anno edizione: 1992
Risorsa bibliografica obbligatoriaS. Kou, Welding Metallurgy, Editore: Wiley-Interscience, Anno edizione: 2003
Risorsa bibliografica obbligatoriaK. Weman, Welding Processes Handbook, Editore: Woodhead Publishing, Anno edizione: 2012
Risorsa bibliografica facoltativaJ. Dantzig, M. Rappaz, Solidification, Editore: CRC Press, Anno edizione: 2017, ISBN: 9782940222971

Forme didattiche
Tipo Forma Didattica Ore di attività svolte in aula
(hh:mm)
Ore di studio autonome
(hh:mm)
Lezione
39:00
58:30
Esercitazione
21:00
31:30
Laboratorio Informatico
0:00
0:00
Laboratorio Sperimentale
0:00
0:00
Laboratorio Di Progetto
0:00
0:00
Totale 60:00 90:00

Informazioni in lingua inglese a supporto dell'internazionalizzazione
Insegnamento erogato in lingua Inglese
schedaincarico v. 1.6.5 / 1.6.5
Area Servizi ICT
23/04/2021