Description and contextualization of the subject

The main objective of the course is to acquire the basic and applied knowledge for the study and characterization of the surfaces that separate different phases of the matter.

Learning outcomes of the subject

Knowledge and determination of structure, properties and applications of the different families of materials: metallic, polymeric, ceramic (glass included), composites and functional materials.



Knowledge of principles and mechanisms that provokes the material deterioration as well as methods to avoid it, and suggesting how to improve materials to optimize their use.

Ordinary call: orientations and renunciation

It is adequately reported on the master's website: http://www.ehu.eus/es/web/masteringenieriamaterialesavanzados/egutegia-eta-ordutegia



In the web section "Schedule and calendar / SCHEDULE" in May of the previous academic year, the following academic year schedules are already posted, which include the dates of the ordinary call.



In addition, the 3rd and 4th summons courts are posted on the following link: http://www.ehu.eus/es/web/masteringenieriamaterialesavanzados/aurkezpena

On the other hand, in the first commented link you can download the Word file with the necessary explanations to proceed to make a resignation ("Schedule and calendar / TEACHING CALENDAR" section) according to its section (first page): CANCELLATION.

Extraordinary call: orientations and renunciation

It is adequately reported on the master's website:



http://www.ehu.eus/es/web/masteringenieriamaterialesavanzados/egutegia-eta-ordutegia <br /><br /> <br /><br />In the web section "Schedule and calendar / SCHEDULE" in May of the previous academic year, the schedules of the following academic year are included, which include the dates of the extraordinary call. <br /><br />

Temary

1. Surface tension & free surface energy. Young-Laplace equation. The phenomenon of capillarity: mathematical discussion and experimental aspects. Methods for surface tension determination: detachment, based on the form of static, dynamic drops or bubbles. Results comparison.

2. One-component systems. Theoretical and structural treatment of liquid interfaces. Interface orientation. Thermodynamics of binary systems. Determination of excess amounts. Gibbs type monolayers.

3. Introduction. Liquid spread on another. Experimental techniques to study monomolecular films. Phases of a monomolecular film. Mixed films. Evaporation rates through monomolecular films. The dissolution of monolayers. Chemical reactions in monomolecular films.

4. The electric double layer. Stern's layer. The free energy of a diffuse double layer. The repulsion between double flat layers. Zeta potential. Electrocapillary. The electrified solid-liquid interface. Types of potentials and the meaning of a potential difference when two phases are involved. Voltage potentials, surface potential differences, and thermoionic work function. Electrode potentials. Irreversible phenomena in electrodes.

5. Forces between atoms and molecules. Long-range forces. Long-range forces in solution. Forces in biological systems. The pressure of disunity. The anomalous water. The dipole-induced dipole propagation.

6. Introduction. Crystal thermodynamics. Theoretical estimates of surface energies and free energies. Factors that affect surface energies and surface tensions of real crystals. Experimental estimates of surface energies and free energies. Chemical reactions on solid surfaces.

7. Classical nucleation theory. Experimental nucleation studies. Crystal growth. Epitaxial growth and superficial nucleation.

8. Surface energies and changes in solubility. Surface energies from immersion, adsorption. The contact angle. The hysteresis of the contact angle. Experimental methods and contact angle measurements. Theories on the phenomena related to the contact angle. The potential distortion model.

9. Textural properties. Structure and composition: microscopic and spectroscopic techniques. Other techniques.

10. Friction between unlubricated surfaces. Special cases of friction. Metallic friction: effect of surface oxide films. Friction between non-metals. Additional considerations. Friction between lubricated surfaces. Adhesion.

11. Wet or wetting. Water repulsion. Flotation. Colloid-micelles association properties. Detergency.

12. General properties of emulsions. Factors that affect the stability of an emulsion. Aging and inversion of an emulsion. The hydrophilic-lipophilic balance. Microemulsions. Foam structure. Foam drainage. The stability of a foam. Aerosols.

13. Langmuir type polymeric films. Langmuir type protein films. Other biological films. Membranes, bilayers and vesicles. Films at liquid-liquid interfaces and at non-aqueous liquid surfaces. Films loaded. Langmuir-Blodgett type films.

14. The surface area of solids. The structure and chemical nature of solid surfaces. The nature of the solid-adsorbate complex.

15. The adsorption time. Langmuir's adsorption isotherm. Experimental procedures. BET and other related isotherms. Isotherms based on equations of state of the adsorbed film. The theory of potential. Comparison of surface areas from various multilayer models. The characteristic isotherm and related concepts. Submonolayer adsorption. Phase transitions in the multilayer region. Adsorption thermodynamics. Critical comparison of the different models for adsorption. Physical adsorption on heterogeneous surfaces. Adsorption rate. Adsorption on porous solids: hysteresis.

16. Chemisorption from the molecular point of view. Chemisorption isotherms. The kinetics of chemisorption. Superficial mobility. The chemisorption link. Mechanisms in heterogeneous catalysis. The influence of the adsorption isotherm on the kinetics of heterogeneous catalysts. Some examples.

17. Corrosion on metallic materials. Electrode potential. Galvanic series. Corrosion classification. Atmospheric corrosion. Corrosion under the influence of mechanical factors. Corrosion protection. Superficial treatments. Metal protection. Weathering of plastic materials. Stabilization of plastic materials weathering.

Bibliography

Basic bibliography

1.- A. W. Adamson y A. P. Gast. Physical Chemistry of Surfaces. 6ª edición. Wiley-Interscience (1997).

2.- E. M. McCash. Surface Chemistry. Oxford University Press (2001).

3.- J. P. Eberhardt. Structural and Chemical Analysis of Materials. Wiley (1991)

4.- C. H. Bartholomew y R. J. Farrauto. Fundamentals of Industrial Catalytic Processes. 2ª edición. Wiley-Interscience (2006)

5.- Adamson, A.W.; Gast, A.P.; "Physical Chemistry of Surfaces". Ed. Wiley Interscience (1997)

6.- Roig, A.; Diaz Peña, M.; "Quimica Fisica". ed. Alhambra (1984)

7.- Becher, P.; "Emulsions, theory and practice". Litton Educational Publishing Inc. (1972).

8.-Editors: Czichos, Saito, Smith. Handbook of Metrology and Testing. Ed. Springer Verlag Berlin. 2nd Ed. 2011.

In-depth bibliography

1.- Rosano, H.L.; Clausse, M.; "Microemulsion systems". Surfactant Science Series. vol.24. ed. Marcel Dekker (1987)



2.- Shinoda, K.; "Solvent Properties of Surfactant Solutions". Surfactant Science Series, vol.2 (1983)



3.- Kuo-Yann, L.; "Liquid Detergents". Surfactant Science Series. vol.67. Ed. Dekker (1997)



4.- Rao, K.H.; Forssberg, K.S.E.; "Interactions of anionic collectors in Flotation of semi-soluble salt minerals". in



"Innovations in Flotation Technology". Mavros & K.A.Martin Eds. Kluwer Academic Publishers (1998).

Links

-Chemical Engineering Abstracts.



-Chemical Engineering & Technology. Wiley-VCH, Weinheim.



-Chemie-Ingenieur Technik. Wiley-VCH, Weinheim.



-AlChE Journal. AIChE, New York.



-Ingeniería Química. Suplemento Nuevas Plantas. Ingeniería Química S.A., Madrid.



-Química e Industria. Asociación Nacional de Químicos de España, Madrid



-Chemical Engineering. McGraw-Hill, New York.



-Journal of Chemical Technology and Biotechnology. John Wiley and Sons, New York.