Course detail
Modelling of Phase Transformations
FSI-WFTAcad. year: 2013/2014
Principles of modeling of phase equilibria using the CALPHAD method, which uses integral condition of phase equilibrium and describe the various phases used sublattices model for calculations of phase equilibrium Among other things, that method also uses software programs ThermoCalc with the potential students will be introduced, including familiarization with available thermodynamic databases.
In the second part of the course deals with contemporary methods of atomic and mesoscopic simulations in materials science - links in materials, Lennard-Jones potential, Embedded Atom Method, Ising model (anti-) of ferromagnetic material.
Language of instruction
Number of ECTS credits
Mode of study
Guarantor
Learning outcomes of the course unit
Prerequisites
Co-requisites
Planned learning activities and teaching methods
Assesment methods and criteria linked to learning outcomes
Course curriculum
1. Introduction, Basics thermodynamics (repetition, overview)
2. Equilibrium calculations, Phase diagrams
3. Sources of thermodynamic data
4. Models for the Gibbs energy
5. Models for the excess Gibbs energy
6. Assessment methodology
7. Introduction, selected chapters from classical mechanics
8. Linkages in materials
9. Embeded Atom Method
10. Ising model of (anti-) ferromagnetic material
11. Overview of advanced methods of computer studies of materials
12. Overview of advanced methods of computer studies of materials
Tutorials
1. Supplement the necessary mathematical apparatus (part 1)
2. Supplement the necessary mathematical apparatus (part 2
3. Crystallography (crystal symmetry, sublattices models)
4. Sources of thermodynamic data (thermal analysis, EDS, VDS, X-ray. diffraction and neutron diffraction, examples of use)
5. Software ThermoCalc (possibilities, demonstration of use)
6. Calculation of simple binary equilibrium diagrams
7. Creation of thermodynamic databases, examples of available databases
8. Calculation of elastic constants for materials with cubic symmetry
9. Simulation of crystallization of inert gas in the 2D, visualization of microstructures
10. Simulation of tensile / compressive tests nanofibers
11. Examples of advanced simulations
12. Consultation, students course evaluation
Work placements
Aims
In addition, students will be familiar with the simulation of material properties based on physical models of interatomic forces and molecular dynamics with an emphasis on the available simulation "packages".
Specification of controlled education, way of implementation and compensation for absences
Recommended optional programme components
Prerequisites and corequisites
Basic literature
2. C. Kittel: Introduction to Solid State. Physics, John Wiley&Sons, 1996
3. M.P.Allen, D.J.Tildesley: Computer Simulation of Liquids, Clarendon Press, 1987
4. M.Finnis: Interatomic Forces in Condensed Matter, Oxford University Press, 2003
Recommended reading
2. D. Frenkel, B.Smith: Understanding Molecular Simulation, Academic Press, 2002
Classification of course in study plans
Type of course unit
Lecture
Teacher / Lecturer
Syllabus
1. Introduction, Basics thermodynamics (repetition, overview)
2. Equilibrium calculations, Phase diagrams
3. Sources of thermodynamic data
4. Models for the Gibbs energy
5. Models for the excess Gibbs energy
6. Assessment methodology
7. Introduction, selected chapters from classical mechanics
8. Linkages in materials
9. Embeded Atom Method
10. Ising model of (anti-) ferromagnetic material
11. Overview of advanced methods of computer studies of materials
12. Overview of advanced methods of computer studies of materials
Tutortials
1. Supplement the necessary mathematical apparatus (part 1)
2. Supplement the necessary mathematical apparatus (part 2
3. Crystallography (crystal symmetry, sublattices models)
4. Sources of thermodynamic data (thermal analysis, EDS, VDS, X-ray. diffraction and neutron diffraction, examples of use)
5. Software ThermoCalc (possibilities, demonstration of use)
6. Calculation of simple binary equilibrium diagrams
7. Creation of thermodynamic databases, examples of available databases
8. Calculation of elastic constants for materials with cubic symmetry
9. Simulation of crystallization of inert gas in the 2D, visualization of microstructures
10. Simulation of tensile / compressive tests nanofibers
11. Examples of advanced simulations
12. Consultation, students course evaluation
Computer-assisted exercise
Teacher / Lecturer
Syllabus
2) The transformation of one type of model (A) to another type of model (B).
3) The examples of the dimension analyze method – using in model constructions.
4) The models for mechanical properties of metals.
5) The examples of estimating of dimension-less numbers (criteria) from physical models.
6) The examples of estimating of dimension-less numbers (criteria) from mathematical models.
7) The examples of the theory of similarity to the describing of nucleation processes.
8) The examples of the estimating and applications of thermodynamic interaction coefficients.
9) The temperature effect on thermodynamic activity. The Arrhenius´s number – its significance.
10) The equilibrium constants of the physical and chemical reactions – examples.
11) Guldberg-Waage´s law and its using in models - examples.
12) Nernst´s partition law and the possibility using of this law in models.
13) The problems of interrelation between transport processes – viscosity, thermal conductivity, thermal diffusivity, temperature and pressure effect (examples).
14) The calculation of carbon redistribution in welded steel by means of special original software SVARY (WELDS).
15) The calculation of iron, carbon and additional elements in graphite cells by means of special original software U-GRAFIT (U-GRAPHITE).