Université Lyon 1
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  • Unité d'enseignement : Metals and ceramics damaging
Nombre de crédits de l'UE : 3
Code APOGEE : CHM2359M
    Responsabilité de l'UE :
SINTES NATHALIE
 nathalie.sintesuniv-lyon1.fr
04.72.43.10.02
    Type d'enseignement
Nb heures *
Cours Magistraux (CM)
18 h

* Ces horaires sont donnés à titre indicatif.

    Pré-requis :
- basic knowledge on material science, tensile curve (analyze of a tensile curve to determine the mechanical properties of a material)
    - basic knowledge on metallurgy, crystal plasticity, dislocation theory
    - basic knowledge on ceramic
    - basic knowledge on photon/mater interaction (Xray radiography, Xray diffraction)
    Compétences attestées (transversales, spécifiques) :

knowledge, understanding, skills, abilities
    - understanding the physical origin of fracture for the different classes of materials.
    - distinguishing ductile/Brittle behaviors
    - using materials selection methods based on material index for performance
    - knowning Microstructure-Properties relationship for failure properties on steels, aluminum alloys, ceramics
    - undestanding and being able to use Xray Computed Tomography for material science

    Programme de l'UE / Thématiques abordées :
- introduction of material failure:  Strength vs. Toughness ; ductile/brittle behavior ; macroscopic tests ; stress intensity factor ; fracture toughness ; Critical crack size
    - void germination, growth, coalescence theories: behavior laws, second phase effects, influence of the triaxality, implementation behavior laws
    - Fatigue, cyclic loading: Paris law and propagation, Wöhler curve, Enhancing resistance to fatigue
    - statistical approach: cumulative probability of failure, Weibull, impact of initials defects
    - Select materials and processes to propose an alternative or innovative solution for a simple mechanical design problem (apply a procedure of material and process selection).
    - macroscopic tests, standards, visualization and identification of fracture surfaces (ductile/brittle)
    - application with Xray Computed Tomography: principal, 3D reconstruction, data post treatment, possibilities and limitations
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