Akademik Məlumat İdarəetmə Sistemi
Department of
Metallurgical and Materials Engineering
Scope of Materials Science and
Engineering. Structure ßà Properties ßà Performance relationships.
Engineering Properties of Materials. Types of Materials. Advanced Materials.
Materials of the Future: Smart Materials and Nanotechnology. (1 week)
B. Atomic Structure and Interatomic Bonding
I. Atomic Structure: Fundamental concepts, electrons in atoms- Bohr atomic model,
wave-mechanical atomic model, quantum numbers, electron configurations and the
periodic table. II. Atomic Bonding in
Solids: A. Primary Interatomic Bonds: ionic bonding, covalent bonding and metallic
bonding. B. Secondary Bonding or Van der Waals bonding: fluctuating induced
dipole bonds, polar molecule-induced dipole bonds, and permanent dipole bonds. III. Bonding Forces and Energies:
interatomic distances, electronic repulsion, bonding energy, atomic and ionic
radii. IV. Generalizations based on
atomic bonding: melting, hardness, elasticity, thermal expansion and
conductivity of metals.
(1 week)
C. The Structure of Metals, Ceramics and Polymers
I. Geometry of
D. Imperfections or Disorder in Solids
I. Structural or Geometric Imperfections in Solids: A. Point defects: vacancy and
self-interstitial. B. Line defects: an edge, screw and mixed dislocations. C.
Two-dimensional defects: external surfaces, grain boundaries, etc. D. Three-dimensional or volume defects. II. Compositional imperfections: substitutional
and interstitial solid solutions. Specification of composition and composition
conversions. III. Solid solutions in
Ceramic and Metallic Compounds: ionic substitution, nonstoichiometric
compounds and defect structures. IV.
Microscopic Examination: optical microscopy, electron microscopy, atomic
probe microscopy and grain size determination.
(1 week)
E. Atomic Diffusion
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I. Introduction: diffusion couple, impurity diffusion and
self-diffusion. II. Diffusion Mechanism:
vacancy diffusion and interstitial diffusion. III. Steady-State Diffusion: diffusion flux, Fick’s first law and
diffusion coefficient. IV.
Nonsteady-state Diffusion: Fick’s second law and boundary conditions. V. Factors that Influence Diffusion:
diffusing species and temperature. VI.
Diffusion in Ceramic Oxides. (1/2 week)
Midterm I Exam
F. Phase Diagrams and Phase
Transformations (Homework)
I. Definitions and Common Concepts: Solubility limit, phases, microstructure and phase equilibria. II. Equilibrium Phase Diagrams: binary
isomorphous systems, interpretation of phase diagrams (phases present,
determination of phase amounts) and binary eutectic systems. III. Equilibrium Diagrams having
Intermediate Phases and Compounds: Terminal solid solution, intermediate
solid solutions and intermetallic compounds. IV. The Fe-C System: Introduction and the Iron-Iron carbide (Fe-Fe3C)
phase diagram. V. Phase Transformations:
basic concepts and the kinetics of phase transformations.
(1 week)
G. Mechanical Properties of Metals
I. Concepts of Stress and Strain: tension tests, compression tests, shear and torsional tests. II. Elastic Deformation: stress-strain
behavior and elastic properties of materials. III. Plastic Deformation: tensile properties, yielding and yield
strength, tensile strength, ductility, toughness, true stress and strain. IV. Design/Safety Factors. (1 week)
H. Electrical Properties
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I. Electrical Conduction: Ohm’s law, electrical conductivity,
electronic and ionic conduction. II.
Energy Band Structures in Solids: electron energy band, Fermi energy,
energy band gap, valence band and conduction bands. III. Conduction in terms of Band and Atomic Bonding Model: metals,
insulators, semiconductors and electron mobility. IV. Electrical resistivity of Metals: Matthiessen’s rule,
influences of temperature, impurities and plastic deformation and electrical
characteristics of commercial alloys. V.
Semiconductivity: A. Intrinsic semiconduction- concept of hole and
intrinsic conductivity; B. Extrinsic semiconduction- n-type and p-type
extrinsic semiconductors; C. The Temperature Variation of Conductivity and
Carrier Concentration. VI. Semiconductor Devices: The p-n rectifying junction, the
transistor-junction transistors and the MOSFET, semiconductors in computers and
microelectric circuitry (Homework). VII.
Electrical Conduction in Ionic Ceramics and in Polymers: Conduction in
ionic materials and electrical properties of polymers. VIII. Dielectric Behavior: capacitance, field vectors and
polarization, types of polarization- electronic, ionic and orientation
polarizations, dielectric strength and dielectric materials. IX. Other Electrical Characteristics of
Materials: Ferroelectricity and piezoelectricity. (2 week)
I. Thermal Properties
1. Heat Capacity: Vibrational heat capacity,
temperature dependence of the heat capacity and other heat capacity
contributions. 2. Thermal Expansion:
Linear and volume coefficient of expansion; metals, ceramics and polymers. 3. Thermal Conductivity: Mechanism of
heat conduction; metals, ceramics and polymers.
(1/2 week)
J. Magnetic Properties
I. Basic Concepts: magnetic dipoles, magnetic field vectors and origin of magnetic moments.
II. Types of Magnetism:
diamagnetism, paramagnetism, ferromagnetism, antiferromagnetism and
ferrimagnetism.
III. The Influence of Temperature on Magnetic Behavior: Curie temperature and Neel
temperature. IV. Domains and Hysteresis:
domains, domain walls, hysteresis effect, remanence and coercivity. V. Soft and Hard Magnetic Materials: soft
magnetic materials and hard magnetic materials- conventional and high-energy
hard magnetic materials. VI. Magnetic Storage (Homework): information storage, magnetic storage
medium- a tape and disk, particulate and thin film magnetic media. (1 week)
K. Optical Properties
I. Basic Concepts: electromagnetic radiation, light interactions with solids, atomic and
electronic interactions- electronic polarization and electron transitions. II. Optical Properties of Metals. III.
Optical Properties of Nonmetals: refraction, reflection, absorption and
reemission, transmission and color. IV.
Applications of Optical Phenomena: A.
Luminescence; B. Photoconductivity; C.
Lasers and optical fibers in communications (Homework). (1/2 week)
L. Composites
1. Introduction: Principle of combined action, matrix and dispersed phases 2.
Particle-reinforced composites: Large-particle composites and
dispersion-strengthened composites. 3.
Fiber-reinforced composites: Influence of fiber length, polymer-matrix
composites, metal-matrix composites and ceramic-matrix composites. 4. Structural Composites: Laminar
composites and sandwich panels. (1 week)
Textbook and Reference Books
1.
W. D. Callister, Jr and D.G.
Rethwisch, Fundamentals of Materials Science and
Engineering: An Integrated Approach, John Wiley and Sons, (2008)
2.
W. D. Callister, Jr., Materials Science and Engineering: An Introduction, John Wiley and Sons, 4th
ed. (1997), 5th ed. (2000), 6th ed. (2003), 7th
ed. (2007) and 8th ed. (2010)
3.
R. A. Finn and P. K. Trojan, Engineering Materials and Their Applications, Houghton Mufflen Cor., 3rd
ed. (1986)
4.
L. V. Van Vlack, Elements of Materials Science and Engineering, Addison-Wesley Pub. Cor. 3rd
ed. (1989)
5.
Electronic Materials: From Silicon to
Organics, Ed.
By L. S. Miller and J. B. Mullin, Plenum Press,
6.
Electronic Materials,
Ed. By N. Braithwaite and G. Weaver,
The
Grading:
Midterm 1 Exam : 25%
Midterm 2 Exam : 25%
Bonus : 5%
Final Exam :
45%