Università Roma Tre

Composition and Structure of Matter at Different Dimensional Scales
- Composition: molecules, chemical bonding, Condon-Morse curves; ionic materials, molecular materials
- Thermodynamic origin of elasticity
- Structures: amorphous and crystalline, Bravais lattices, and Miller indices
- Defects in crystalline solids: point, line, and surface defects

Mechanical Behavior of Materials
- Influence of T (temperature) and t (time) on mechanical behavior depending on the nature of the material
- Static tensile stresses at low T: stress-strain curve (elastic field, plastic field, critical points)
- Mechanical properties: ductility, hardness, brittleness, resilience, and toughness (property measurement techniques)
- Fracture mechanics: Griffith's energy theory, stress intensity factor, fracture toughness
- Dynamic stresses: fatigue, Wohler curve, Paris-Erdogan law

Single-Phase and Multi-Phase Systems
- Thermodynamics of systems: thermodynamics of condensed states, basic concepts, first law, second law, equilibrium conditions, non-equilibrium states, combined first and second laws, characteristic state functions
- Solid-state solubility: cooling curves of single-component systems, aggregation state, Hume-Rothery rules, solid solutions, phases
- Solubility dependence on composition, temperature, and pressure: Gibbs rule and lever rule, Gibbs energy, Gibbs curves, phase equilibria in binary systems
- Solid-state phase transformations: diffusion mechanisms, activation energy, and Fick’s laws
- Solidification kinetics and microstructures: nucleation and growth, key thermodynamic transformations, microstructures

Introduction to the Main Classes of Metallic Materials
- Iron-based alloys: classification of steels and cast irons, main phase diagrams, classification of specific heat treatments; special steels, stainless steels, and applications
- Titanium alloys: properties, processes – applications
- Aluminum alloys: properties, processes – applications
- Superalloys: properties, processes – applications

Introduction to the Main Classes of Non-Metallic Materials
- Polymers and polymer matrix composites: properties, processes, applications
- Ceramics: properties, processes, an introduction to Weibull statistics – applications
- Recap, Complements, In-Depth Topics, and Numerical Exercises for Each Subject

Textbook: W.D. Callister, Scienza e Ingegneria dei Materiali EdiSES
Course management: https://moodle1.ing.uniroma3.it/
Slides and course notes: https://moodle1.ing.uniroma3.it/
Online notes, www.stm.uniroma3.it