Semester | Mand. | Option | Filières |
BA5 | x |
Lecture | 3 weekly |
Practical work | 1 weekly |
Study plan | Semester | Mand. | Option | Filières |
Science et génie des matériaux 2020-21 | BA5 | x |
Cursus | Sem. | Type |
---|---|---|
Materials Science and Engineering | BA5 | Obl. |
1.Powder synthesis and Characterization
- Thermodynamics of solutions: ideal solutions, high ionic strength, complexation.
- Nature and preparation of raw ceramic materials (natural and synthetic).
- Production routes for synthetic ceramic powders. Precipitation, gas phase synthesis and solid-state reactions.
- Powder characterization, physical, chemical and morphological properties with reference to underlying theory. Including particle size measurement, specific surfaces area, porosity and morphology.
2. Milling and classification.
- Crushing, Ball milling, high energy milling. Modelling of milling. Sieves and air classifiers
3. Powder processing (dispersion, forming, drying)
- Thermodynamics of surfaces and interfaces: surface tension, adhesion and cohesion, wettability, capillary condensation.
- Adsorption at interfaces: solid/liquid, liquid/liquid, solid/gas and liquid/gas.
- Intermolecular interactions: electrostatic, dispersion and van der Waals forces; interaction energy and entropy.
- Distribution of ions in solution: influence of a charged interface.
- Interactions between colloidal particles; colloidal stability: the DLVO model. Kinetics of agglomeration.
- Polymers in solution: solubility, conformation, adsorption at interfaces, steric stabilisation of colloidal particles.
- Ceramic forming : pressing, tape cassting, slip casting, injection moulding and others
- Drying and binder burnout
4. Surfactants, micelles and micellar solutions.
5. Sintering
- Origin and phenomenology, Kinetics, Microstructural control.
- Solid-state and liquide phase sintering
6. Thin and thick ceramic films
- Synthesis of colloidal sols : dispersion, precipitation
- Manufacturing methods, dip-coating, plasma spraying.
7.
Laboratory work
1. Milling, granulometry, spray drying, flowability of powders, classification
2. Forming methods - dry pressing, dispersion + slip casting, analysis of compaction
3. Sintering, density and microstructures, modelling of sintering
Ceramics, colloids, forming, interparticle interactions, sintering, powder characterisation, processing, steric stabilization, adsorption, powder synthesis.
General physics;
General inorganic chemistry;
Mathematical analysis;
Introduction to materials;
Thermodynamics for materials science
chemical bonds; phase transitions;thermodynamics; microstructure of materials; statistics, tranfer phenomena
Lectures and exercises in class (3 h) and laboratory work (1 h)
Attendance of lectures, doing exercises during class and at home, reading written material, discussion in class, doing experimental exercises, writing reports on experimental work and analyzing results
The final grade is attributed based on the final oral exam 75% and the practical class reports 25%.
English
The Colloidal Domain: where physics, chemistry, biology, and technology meet. D. F. Evans and H. Wennerström. Wiley-VCM, New York, Year:1999. ISBN:0-471-24247-0
CERAMIC PROCESSING AND SINTERING M. N. Rahaman Taylor & Francis, London, 2003 0: ISBN - 10-8247-0988-8
French
Traité des Matériaux, vol 16, Céramiques et Verres, Principes et techniques d'élaboration, J-M Haussonne, C.P.Carry, P. Bowen, J. Barton, Press Polytechnique et Universitaires Romandes2005
Copy of slides presented during lectures; Wriiten text based on lectures; Text for each TP;
obligatoire
obligatoire
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