This module represents the essential introductory module to the principles of
physical metallurgy providing essential knowledge on metallic materials. Principles of
Materials Selection. The role of the Engineer in selecting materials for the design of
Engineering applications. Main characteristics and properties of metallic materials.
Atomic bonding and crystalline structure of metals. Solidification of metals.
Metallographic techniques. Light optical, electron microscopy and microanalysis.
Investigation Of crystalline structures with Xray diffraction. Defect theory in
crystalline solids and Dislocation theory. Work hardening, recovery and
recrystallisation, grain boundaries and grain boundary mobility, speroidisation.
Mechanism of hardening in metals. Elastic and plastic behavior in metals.
Correlation of mechanical properties with Schimdt’s Law. Fracture and elements of
Fracture mechanics. Crack propagation. Introduction to Griffith’s theory. Elements of
Fractography. Toughness and ductile to brittle transition. Fatigue. Creep, Corrosion
and High Temperature Oxidation. Wear and lubrication.
- Teacher: Γεώργιος Φούρλαρης
ECTS : 6
Language : el
Learning Outcomes : The student should acquire skills, knowledge and understanding in: Fundamental principles of Crystallography of metallic materials, mechanical properties of crystalline bodies and connection of theory of deformable crystalline body with selection of metallic materials for structural design. This includes characterization of mechanical properties, theory of diffusion in solid state, theory of crystalline defects and disorders, microstructure evolution during solidification, Schmid s Law, theory of crack initiation and propagation in crystalline materials, Griffith s Law, Fatigue and Creep Failure. Principles of Electron microscopy and microanalysis, elements of metallic material characterization with X-ray diffraction.