Topic 1.1 – Theoretical cohesive strength. Types of fracture in metals. Microscopic aspects and mechanisms of fracture. Macroscopic features and morphology of fracture.
Topic 1.2 - Traditional and innovative methods for studying the tough-brittle behaviour of metallic materials (impact test, fracture mechanics).
Topic 1.3 - Fundamental issues on fracture mechanics.
Topic 1.4 - Metallurgical factors affecting transition temperature. Influence of the alloying elements.
Topic 1.5 - Embrittlement phenomena (temper embrittlement, strain aging embrittlement, environment induced embrittlement).
Topic 2.1 - Fatigue failure. Fracture mechanics applied to fatigue.
Topic 2.2 - Morphology of the fracture surface, influence of the chemical composition, of the microstructure, of the surface conditions and of the environmental conditions.
Topic 2.3 - Corrosion fatigue. Fretting fatigue. Thermal fatigue. Examples of failure analysis.
Topic 3.1 - Wear damage of mechanical parts.
Topic 3.2 - Wear mechanisms: adhesive wear, tribo-oxidation, abrasive wear, contact fatigue.
Topic 3.3 - Wear processes: sliding, rolling, fretting, erosion.
Topic 3.4 - Wear tests. Engineering methods for prevention.
Topic 3.5 - Surface engineering: thermo-chemical treatments, surface coatings.
Topic 4.1 - The high-temperature materials problem: creep and stress rupture.
Topic 4.2 – High and low temperature creep. Engineering creep data and effect of metallurgical variables.
Topic 4.3 – Stress relaxation.
Topic 5.1 - Mechanical behaviour of metals during forming.
Topic 5.2 - Recovery, static and dynamic recrystallization. Grain growth.
Topic 6.1 - Failure analysis: visual examination, optical and electronic microscope analyses.
Topic 6.2 - Presentation of real cases of failure analysis.