Programme Offered
• Undergraduate courses in Metallurgical and Materials Engineering
• Postgraduate courses;
• Postgraduate diploma in Metallurgical and Materials Engineering
• Masters of Science in Metallurgical and Materials Engineering
• M.Phil in Metallurgical and Materials Engineering
• Ph.d. in Metallurgical and Materials Engineering
DEPARTME T OF METALLURGICAL A D MATERIALS
E GI EERI G POSTGRADUATE PROGRAMMES
GENERAL
The Department of Metallurgical and Materials Engineering offers
programmes leading to the:
(a) Postgraduate Diploma in Metallurgical and Materials Engineering
and to the degree of
(b) Master of Science
(c) Master of Philosophy
(d) Doctor of Philosophy
POSTGRADUATE DIPLOMA
Introduction:
The proposed programme is essentially a conversion course for scientists,
engineers other than whose basic degrees are Metallurgical and or
Materials Engineering/Science who intent to obtain some expertise in this
field. The programme consists of courses of instruction and a project.
The full time students, the duration of the programme is one (1) academic
session
Admission Requirements:
Only candidates who possess good basic degrees or equivalent in the
physical sciences or engineering (other than Metallurgical and/or
Materials Engineering or allied fields) from this or any other approved
institution will be considered for admission into the programme.
Candidates may be required to satisfy the Department in a selection
process. Candidates must also satisfy all other requirements of the
School of Post Graduate Studies.
Diploma Requirements
(A) Candidate will have satisfied the requirements for the award of a
P.G.D. if:
(1) he offers and passes a total of 19 units made up as follows:
(a) 16 units of courses of instruction
(b) 3 units of project and
(2) he satisfies all the other requirements for the diploma which
are stipulated in the regulations of the School of
Postgraduate Studies.
(B) DEGREE OF MASTER OF SCIE CE
Introduction:
The M.Sc. (Metallurgical and Materials Engineering) is a programme
consisting ofr courses of instruction and a project. Major areas of
specialisation are Phase Transformation in solids, electrochemistry and
Corrosion, Electron Microscopy, Metal working and Febrication, Fracture
Mechanics and Transport Phenomena in materials processing. For full-
time students, the duration of the programme is twelve calendar months.
Admission Requirements
(i) Candidate with a Bachelor’s degree in Metallurlgical and Materials
Engineering from this and any approved University may apply for
admission into the programme. Candidates with degree in
disciplines other than Metallurgical and Materials Engineering may
be considered for admission as occasional students in the first
instance.
(ii) Candidates may be required to satisfy the Department in a
qualifying Examination before admission.
(iii) Candidates are required to satisfy all other requirements of the
School of Postgraduate Studies.
DEGREE REQUIREME TS
To satisfy the requirements for the award of the M.Sc. in Metallurgical
and Materials Engineering, a candidate must:
(a) Offer and pass all core courses in his chosen area of
specialisation.
(b) Offer and pass such number of 800-level elective courses as
is required to bring the total of 800-level course units
(including core courses but excluding project) to at least 24
units, subject to the provision that not less than a total of 15
course units must be taken within the Department.
(c) Offer and pass 4 unit of project and
(d) Satisfy all other conditions stipulated in the regulations of
the School of Postgraduate Studies.
(C) DEGREE OF MASTER OF PHILOSOPHY I
METALLURGICAL A D MATERIALS E GI EERI G
Introduction
The M.Phil Programme consists of formal instruction, research
seminar(s) and a dissertation. A candidate may specialise in one of the
areas of Phase Transformation in Solids, Electrochemistry and Corrosion,
Electron Microscopy, Metal working, Fabrication, Fracture Mechanics
and Transport phenomena in materials processing.
Admission Requirements
To be eligible for admission in the M.Phil. Programme, a candidate must:
DEGREE OF DOCTOR OF PHILOSOPHY I
METALLURGICAL A D MATERIALS E GI EERI G
Introduction:
In this programme, the emphasis is on original research. Candidate may
undertake their researches in one of the areas of Phase Transformation in
Solids, Electrochemistry and Corrosion, Electron Microscopy, Metal
working and Fabrication, Fracture Mechanics and Transport Phenomena
in materials processing
Admission Requirements
To be eligible for admission in the Ph.D. Programme, a candidate is
required to:
(i) Be a holder of an M.Phil. degree or equivalent in Metallurgical and
Materials Engineering awarded by this or any other approved
university.
(ii) Satisfy the Department in a selection process and
(iii) Satisfy all other admission requirements of the School of
Postgraduate Studies.
DEGREE REQUIREME TS
To satisfy the requirements for the award of Ph.D. (Metallurgical and
Materials Engineering) degree, a candidate must:
(i) Offer and pass minimum of 6 units of 900-level courses and
(ii) Satisfy all other requirements of the School of Postgraduate
Studies.
STRUCTURE OF PROGRAMME
P.G.D. (Metallurgical and Materials Engineering)
Course Code Title
Units
MME 701 Iron and Steel making
2
Principles of Heat Treatment
MME 702
2 Mineral Processing and Extractive Metallurgy
2
MME 703
Microstructure of Solid & Physical Metallurgy
MME 704 2
MME 705 Solidification and foundry technology
3
Diffusion and Nucleation
MME 706
2 Refractory technology
MME 707 Project
2
MME 799
1
------
19 Units
===
M.Sc. (Metallurgical and Materials Engineering)
Course Code Title
Units
MME 800/SSE 800 Numerical Methods in Engineering
3
Phase Transformation in Solids
MME 811
3 Physical Chemistry of Metal Extraction
And Refining
MME 814 3
Electrochemistry and Corrosion
MME 815
3
MME 899 Project
3
MME 810 Thermodynamics of Materials
3
MME 812
3 Theory of dislocation
MME 813 Deformation and Fracture
3
Electron Microscopy
MME 816
3 Metal working and Fabrication
MME 817 X-ray Crystallography
3
Advanced Physical Techniques
MME 818
3 Fracture Mechanics
MME 819 Gas-solid Reactions
3
Transport Phenomena in Materials Processing
MME 820
3
MME 821
3
MME 822
3
Other 800-level courses in other relevant Departments as may be
expressly approved by the candidate’s course adviser.
M.Phil. Courses Selected Topics in current Metallurgical and
MME 901 Materials Engineering
4 Research Seminar I
MME 902
Research Seminar II
3
MME 903
3
MME 951 Ph.D. Course
3 Research Seminar III
MME 952 Research Seminar IV
3
OTE:
The courses listed above are mostly those hitherto offered in the
Department of Mechanical Engineering for Postgraduate degree in
Metallurgical and materials Engineering. The following are the
equivalent course codes in the options offered in the Department of
Mechanical Engineering,
(E) COURSE DESCRIPTIO
(I) COURSE FOR POSTGRADUATE DIPLOMA I
METALLURGICAL A D MATERIALS E GI EERIS G
MME 701 – IRO A D STEEL MAKI G (2,0)
Modern Iron Making Processes - Blast Furnace, Direct Reduction
processes (HYL, Midrex, Proufer, Wibeg-Sodefors), Plasmarod and
Plasmasmelt.
Physical chemistry of the reactions in the blast furnace. Process analysis
of the blast furnace using material and energy balance calculations.
Reichart and Rist diagrams. Significance of burden preparation,
distribution and transport processes in iron making.
Survey of modern steel making processes - Bessemer Converter, Open
Hearth, Electric Furnace, Basic Oxygen processes, A.O.D.
Application of the theory of slag-metal reactions to refining slags,
oxidation and deoxidation reactions, desulphurisation and
dephosphorisation. Other refining processes. Ingot and Teeming
practice.
MME 702: PRI CIPLES OF HEAT TREATME T
Types of heat treatment for solid solution or duplex alloys.
Decomposition of Solid Solution. Eutetoid transformations. Matensitic
transformations. Gas-metal reaction - examples will be drawn from the
metallography of alloys of industrial importance. Alloys with ordered
structure and alloys which undergo allotropic transformation.
Hardening of steel. Effect of cooling rates. Hardenability and its
measurements. Role of retained austenite during heat treatment.
Tempering of steels and its influences on mechanical properties. The
TTT diagrams. Tempering parameters, Secondary hardening, tempered
embrittlement. Role of alloying elements on heat treatment. Properties
of partially quenched steels. Austempering, Ausforming, Martempering,
Annealing, Normalising, Case Hardening, etc. Heat treatment of high
alloy steels including maraging and stainless steels.
MME 703: MI ERAL PROCESSI G A D EXTRACTIO
METAL LURGY (2,O)
Ore preparation - Drying, roasting, sintering and heat balance. Elingham
and its application.
Flotation - Solution chemistry and surface chemistry as related to froth
flotation. Absorption interfacial energy, floculation and dispersion and
floatation kinetics.
Hydro - and Electrometallurgy - physical and chemical principles
involved in the extraction and refining of metals by hydro and
electrometallurgical techniques. Discussion of unit processes in hydro
metallurgy, electrorefining.
Analysis of integrated flowsheet of recovery of non-ferrous metals.
Pyrometallurgy - The extraction and refining of metals. Modern practice
changes required by anti-pollution regulations and by energy restrictions.
Analysis and design of processes and role of economic consideration.
MME 704: MICROSTRUCTURE OF SOLIDS A D PHYSICAL
METALLURGY (2,0)
Microstructure of crystalline (metals) and non-crystalline (glasses,
polymers) solids. Bonding in solids. Deformation processes (slip,
twinning, etc). Annealing of deformed metals - recovery, recrystallisation
and grain growth. Effect of some variables on recovery, recrystallisation
and grain growth. Binary Equilibrium diagrams and Lever Rule.
Heterogenerous equilibra. Classius - Claperyron Equation, Vapour
pressure and phase rule, Activity and potential, P.T. diagrams, iron-
carbide diagram.
Hysteresis and allotrophy. Application of equilibrium diagrams to the
study of solid state reactions in steels. Cu-Zn alloys as an example of a
complex system. Aluminium and its alloys e.g. Al-Mg, Al-Cu, Al-Si as
examples of different strengthening processes.
Dislocation - definition, types and characteristics. Reaction of dislocation
with
dislocations and other lattice defects. Slip in single and polycrystals.
Yield point
phenomenon, work hardening and recovery. Diffusion in solid state
steady state
diffusion. Fick's Laws and applications. Atomic mechanics. Vacancy,
equilibrium and
Kirkendall Effect. Nucleation and growth processes. Homogeneous
nucleation.
Application of metallurgical processes e.g. precipitation hardening, etc.
Alloy theory,
factors governing solubility. Entropy of mixing. Hume Rothery Rules.
Typical cases of
intermediate phase. Order - disorder transformation. Failure in metals.
MME 705: SOLIDIFICATIO A D FOU DRY TECH OLOGY
(2,1)
Processes of freezing, nucleation and growth of metals. Solid-phase
Planar
and Dendritic growth. Freezing of alloys. Constitutional supercooling.
Solidification of two-phase alloys. Structure of cast alloys. Effect of cast
structure on properties. Segregation in ingots. Casting techniques (sands,
gravity, precision, centrifugal, etc.) Gating of castings. Finishing
operation. Defects in casting and remedies.
MME 706: DIFFUSIO A D UCLEATIO (2,0)
Fick's first law of Diffusion through membranes. Derivation and solution
of Fick's
Second Law. Application of Second Law to metallurgical processes such
as
carburisation, decarburisation, nitriding, etc. Diffusion in solid state
transformation e.g.
precipitation. Atomic mechanisms of diffusion. Kirkendall effect.
Intrinsic coefficients
Homogenous and heterogenous nucleation. Effect of volume strain on
nucleation.
MME 707: REFRACTORY TECH OLOGY (2,0)
Properties of refractories. M ain refractory materials, natural and
synthetic. Manufacture, use and properties of aluminosilicate, silica and
basic refractories. Significance and phase diagram. Influence of physical
and chemical constituents. Thermal and other modes of spalling and slag
attack including mechanisms. Manufacture and properties of carbon
refractories. Zircon, Carbide and other special refractories.
MME 810 - THERMODY AMICS OF MATERIALS (3,0)
Heat, energy and temperature changes. First and second laws of
Thermodynamics, Entropy, vant Haffs and Clausium - Clapeyron
Equations and Applications thermodynamics - entropy of mixing.
Gibbs - Dalton relationships. Standard states and criteria for
equilibrium constants. Applications of the first, second and third laws of
thermodynamics to metallurgical systems. Chemical potential.
Colligative properties for ideal and non-ideal systems.
MME 811 - PHASE TRA SFORMATIO I SOLIDS (3, 0)
Nucleation and growth process, free energy changes in
precipitation. Theories of Nucleation and Clustering. Heterogenous
nucleation at grain boundaries, stacking faults, dislocation and impurity
phases. Precipitation phenomena - general, localized and cellular
precipitation, structural changes (Gruiner-Preston Zones, intermediate
and stable precipitates) and their correlation with property changes.
Yield, Fracture and Fatigue: experimental data on dislocation
velocity and multiplication, application to yield points and fracture. Ideal
tensile strength, brittle and ductile fracture. Nucleation, and propagation
of crack. Fatigue - nucleation and growth of fatigue cracks. Structural
and fractographic changes during fatigue. Stress-wave propagation.
Stress induced fracture. Structural changes resulting from impulsive and
shock loading.
Single Crystal Platicity: Experimental results on single crystals
and their relevance to understanding of work-hardening phenomena.
Critical shear for slip, effect of temperature and solute atoms. Stress-
strain curve of cubic and hexagonal metal crystals. Metallography of
deformation - slip bands; direct observations and stacking faults.
MME 814 - PHYSICAL CHEMISTRY OR METAL EXTRACTIO
A D REFI I G (3,0)
High temperature Process: Redox reactions and their applications
to energetic and kinetics of selected extraction and refining processes.
Vacuum metallurgy. Vapour phase reactions, hydride and carbonyl
processes. Fused salt chemistry. Structural chemistry of molten salts.
Electrolytic processes used in extraction and refining. Low temperature
reactions, structural chemistry of aqueous and non-aqueous solutions.
MME 815 - ELECTRO-CHEMISTRY A D CORROSIO (2,1)
Aqueous Electrochemistry and Corrosion: Structure of aqueous
solution, solution, activity, electo-chemistry equilibria. Thermodynamics
of cells. Electrode Kinetics.
Aspects of Aqueous Corrosion (polyelectrodes, alloy systems,
dezincification) Passivity, influence of films on metal-solution equilibria
and Kinetics.
Solid State Electro-Chemistry: Mechanisms of ionic and electronic
conduction. Measurement of conductivity and transport numbers,
degrees of disorder of ionic crystals. Diffusion and chemical reactions
involving ionic crystals. Oxidation of metals and alloys Rate laws.
Wagner's theory of parabolic oxidation. Application to oxidation of Cu
and Zn and sulphidation of Ag Galvanic cells with solid electrolytes.
MME 816 - ELECTRO MICROSCOPY (2,1)
Specimen preparation, stereographic, reciprocal lattice.
Diffraction, Indexing of diffraction patterns. Electron microprobe
analyser-operation, lens aberrations. Kikuchi lines. Absorption.
Thickness determination, Contrast resulting from dislocation,
precipitates, stacking faults. Practical observation and demonstrations.
Analysis of structures including quench defects, deformation and
orientation relationships.
MME 817 - METAL WORKI G & FABRICATIO (3,0)
Classification - hot and cold working. Effect of physical variables.
Deformation under combined stresses. The yield criteria and their
applications. Forging: hammering and pressing methods, defects and
residual stresses. Theory of plastic compression with friction. Rolling,
extrusion and piercing, wire and tube drawing, deep drawing, methods
and theory. Special forming methods, spinning, hydroforming and
explosive forming.
Joining of Metals - Soldering, brazing, welding methods.
Principles and metallurgy of welds, Powder Metallurgy and
Applications.
MME 818 - X-RAY CRYSTALLOGRAPHY (2,1)
Production and properties of X-rays, intensity curves, absorption,
filters, fluorescence, radiography. Health hazard. Principles of
diffraction. Laue photographs. Power photographs. Power camera,
indexing of cubic pattern (sin 2 v log methods) Patterns from PIF
structures; hexagonal patterns. Indexing. Determination of lattice
parameters. Systematic errors; Nelson-Rilley slots, A.S.T.M. index;
phase diagrams, superlatices. Stress analysis of mixture using X-ray
techniques. Pole figures, fibre textures, charts.
MME 819 - ADVA CED PHYSICAL TECH IQUES (2,1)
X-rays, Factors affecting line intensity in power photographs
(including derivation and calculation with F (hkl). Quantitative phase
analysis (application to measurement of retained austenite). Photographic
measurement of the intensity. Diffractometer techniques including
counting statistics, use of scaler and rate meter. Preferred orientation,
Electron diffraction, Neutron diffraction analysis, micro-radiography and
autradiography. X-ray fluorescent analysis. Electron probe
microanalysis. Study of materials by electron microscope (SEM, TEM,
Auger Microprobe, etc). Quantitative metallography, Non-destructive
testings.
MME 820 - FRACTURE MECHA ICS (3,0)
Quantitative: In terms of linear Elastic Fracture mechanics and
crack displacement. Stresses at crack tips. Elastic plastic solid-plane
COURSES FOR M.PHIL. I METALLURGICAL A D
MATERIALS E GI EERI G
MME 901 - SELECTED TOPICS IN CURRENT METALLURGICAL
AND MATERIALS ENGINEERING.
Selected topics in Metallurgical and Materials Engineering will be
offered by senior members of staff. Apart from receiving lectures, a
student may be required to undertake independent study on one or two
advanced topics on each of which he would be required to present a paper
for evaluation at the end of the course.
MME 902 - RESEARCH SEMINARS I & II (3 Units Each)
For each of the courses, candidates will be required to give a
minimum of two seminar presentations on specific current research topics
in Metallurgical and Materials Engineering. Each candidate will be
required to produce a paper in the usual journal format, on each of the
research topics. Papers limited in content to literature review and/or
development of mathematical or experimental models related to
candidate's dissertation topic may be acceptable.
COURSES FOR PH.D. I METALLURGICAL A D MATERIALS
E GI EERI G
MME 951 AND 952 - RESEARCH SEMINARS III & IV (3 Units Each)
Those courses are designed for Ph.D. candidates. In addition to all
the requirements of Research Seminars I & II, originality of the research
and its contribution to knowledge will
B.Sc. METALLURGICAL A D MATERIALS E GI EERI G
COURSE OUTLI E
YEAR 1 Course Title Lecture Lab. Pre-
1st Semester unit Unit Req.
2
Course Code 2 1 -
1 -
FSC 102 Introductory Chemistry
FSC 105 Introductory Physics (Basic Engineering 3- -
Physics) 3- -
GEG 101 Engineering Pure Mathematics 2- -
GEG 103 Engineering Applied Mathematics I 2- -
GST 102 Introduction to Logic & Philosophy 2- -
GST 105 Use of English -1 -
MME 101 Basic Information Technology 11 -
MEG 101 Workshop Practice I 17 4 21
MEG 103 Technical Drawing I
Total
2nd Semester
Course Course Title Lecture Lab. Pre- Req.
unit Unit
Code 4 -
- - -
CHM 101 Introductory Chemistry II 2 2 GEG 101
2 - GEG 103
CHM 102 Chemistry Practicals 2 - -
-
GEG 102 Engineering Pure Mathematics II
GEG 104 Engineering Applied Mathematics II
MME 102 Basic Computer Science &
Programming
MEG 102 Workshop Practice II -1 -
11 -
MEG 104 Technical Drawing II 2- -
3- -
PHS 101 Introductory Physics II -2 -
16 6 22
PHS 102 Introductory Physics III
PHS 103 Physics Practicals
Total
YEAR 2 Course Title Lectur Lab Pre- Req.
1st Semester e unit .
-
Course Code 3 Uni -
2 t
CHM 203 Organic Chemistry 1 -
EEG 201 Fundamental of Electrical Engineering 2 1 GEG 101
I 3 GEG 102
GAS 201 General African Studies I -
GEG 201 Engineering Mathematics I - -
-
MME 201 Materials in Engineering 1- -
MEG 201 Thermodynamics 2- GEG 103
MEG 203 Workshop Practice III -1 GEG 104
MEG 205 Mechanics Statics 21 -
21
MEG 207 Engineering Graphics 11
16 5 Pre- Req.
Total
-
2nd Semester -
Course Course Title Lectur Lab. -
e unit Unit GEG 102
Code GEG 104
2 2
CHM 202 Physical Chemistry II 2 1 -
MEG 102
EEG 202 Fundamental of Electrical Engineering MEG 104
II -
21
GAS 202 General African Studies II 2-
3-
GEG 202 Introductory Engineering Statics
MEG 202 Fluid Mechanics 21
MEG 204 Workshop Practical IV -1
MEG 206 Machine Drawing 11
MEG 210 Strength & Testing of Materials 21
14 7
Total
Code Unit Unit Req.
GEG 401 Technical communication 1 --
GEG 402 Numerical Methods in Engineering 2 --
GEG 403 Engineering Statistics 2 --
MME 401 Chemical Metallurgy 3 --
MME 403 Materials Laboratory II - 1-
MME 405 Physical Metallurgy II 3 --
MME 407 Mineral Processing Technology 3 --
MME 409 Entrepreneurship for Materials 2 --
Engineers
MME 413 Industrial Engineering II 3 --
Total 19 1 20
2nd Semester Course Title Lecture Lab. Pre-
Course Code Units Units Req.
Industrial Training -
MME 400 Total - 8 -
8 -
YEAR 5 Course Title Lecture Lab
1st Semester unit Units
Engineering Economics 2
Course Deformation & Fracture Mechanics 3 -
Transport Phenomena in Material processing 3 -
GEG 501 Iron-steel Technology 3 -
MME 503 Engineering Plasticity 2 -
MME 505 Fuels, Furnaces & Refractories 2 -
MME 507 Metallurgical Process & Plant Design 2 -
MME 509 Industrial & Entrepreneurial Seminar 1 -
MME 511 Project - -
MME 513 18
MME 515 Total 3
MME 521
2nd Semester Course Title Lectur Lab Units
Course Code
GEG 502 Engineering Law & Management e Unit -
MME 504 Materials Processing II 2 -
MME 506 Mechanics of Metal-forming 2 -
MME 508 Non Ferrous Extractive Metallurgy 2 -
MME 510 Solidification & Foundry Technology 3 -
MME 512 Polymeric Materials 2 -
MME Engineering Systems Analysis 3 -
514/SSG 2
MME 516 Failure & Material Selection Analysis -
MME 522 Project 2 3
- 3
Total 18
METALLURGICAL A D MATERIALS E GI EERI G
COURSE DESCRIPTIO
MME 101: BASIC I FORMATIO TECH OLOGY(1,0)
Introduction to computer technology, hardware, software and other terminologies,
primary operating systems, DOS – windows, word processing, data base, presentation
software, graphics and scientific visualizations, computer networks, INTERNET and
INTRANET, internet applications, e-mail, WWW(URL) HTML, JAVA.
MME 102: BASIC COMPUTER SCIE CE & PROGRAMMI G(1,0)
Introduction to computer science, foundations of programming, coding techniques,
basic data structures, general coding – coding in pseudo code. Algorithm design.
Miscellaneous languages such as visual basic, C++, JAVA, Fortran, etc.
MME 201: MATERIALS I E GI EERI G DEVELOPME T (2,0)
The Engineering materials family, materials of early and non-industrial societies,
materials of industrial societies. Some recent material groupings, ceramics, polymers,
composites, semi conductors and bio-materials. Materials processing techniques:
Conventional and modern materials processing techniques. Historical contribution of
materials development and utilization to the course of technology – transportation,
(railways, road, air, sea transport), building construction, medicine and dentistry,
electronic, telecommunication and information, Electronic/Magnetic optical materials,
ceramics, polymers, ceramics, polymers, composites, Bio-materials, Nano-materials.
Environmental Impact Survey (EIS) of Materials Exploration.
Relevant audio-visual aids.
MME 301 - THERMODY AMICS OF MATERIALS (3,0)
Introduction. Basic concepts in thermodynamics. Objectives and limitations of
classical thermodynamics. Zeroth law of thermodynamics. First law of
thermodynamics. Internal energy and work. Calculation of work for various
thermodynamics. Processes. Heat capacities. Thermochemistry. Hess's law.
Kirchoff's law. Second law of thermodynamics. Efficiency of cyclic process. Carnot
cycle. Entropy. Thermodynamic. Equation of state. Statistical interpretation of
entropy. Free energy functions. Gibbs-Helmbioltz equation. Maxwell's relations.
Third law of thermodynamics. Fugacity, activity and equilibrium constant.
Van Hoff's isotherm. Variation of equilibrium constant with temperature. Clausius -
Clapeyron's equation.
Ellingham diagrams and application. Thermodynamic solutions. Raoult's law.
Henry's law. Sievert's law. Properties of ideal solutions.
Chemical potentials. Partial Molar properties and their inter-relations. Gibbs -
Duhem equation and its integration. Actual solutions. Regular solutions. Excess
thermodynamic properties. Application to phase diagrams. Derivation of phase rule.
Thermodynamics of Electrochemical cells. Nernst equation. Emf method of
measurement of Thermodynamic properties. Transport number, conductance, non-
mobility and their interpretation. Kinetics of Metallurgical reactions. Collision
theory of Absolute reaction rates. Order and molecularity of reactions.
Determination of order. Catalysis and chemical reactions.
MME 302 - PROPERTIES OF MATERIALS (3,0)
Deformation and Elastiticy:
Condensed states of matter, Deformation of Solids and Liquids; displacement, strain
rotation. Stress, Hooke's Law for isotropic materials, Elastic constants and the
relations between them. Measurement of Elastic Constants: Plastic Properties: Stress
- strain Curves, yield stress, proof stress, ultimate tensile strength, ductility. True
Stress, true strain, work hardening. Fracture, toughness, hardness, recovery and
recrystallization, Creep, fatigue.
Thermal Properties: thermal energy, specific heat, thermal expansion. Thermal shock.
Effects of thermal properties on material behaviour.
Electrical, optical and Magnetic Materials and Devices. Introduction to electronic,
optical and magnetic properties of materials in terms of their electronic structure,
chemical composition and bonding. Properties of metals, semi conductors and
insulators including electrical conduction, thermoelectric power. Hall effect, optical
absorption and reflection, luminescence, para - and ferromagnetism - effects of micro
- structure and impurity content. Texture effect.
MME 304 - CRYSTALLOGRAPHY 1(2,1)
External morphology of crystals. Law of constant angle.
Representation by directions of ace normals.
Hardy regular internal parking, the crystalline state. Law of rational indices. Miller
indices and Miller-Bravis. Reference axes, parametral plane Sterographic projections.
External symmetry, crystal systems,
heat-treatment operations, Metallography. Physical tests: tensile, creep, hardness and
fracture.
MME 309 - SCIE CE OF MATERIALS (3,0)
Atomic structure, Mass number and Isotopy. The physical model of the atom.
Electron notation of atoms including valency model of the atom. Valency and inert
gasses and inertness. Excitation, ionization energy. Structure and properties of
atomic nuclei. Radioactivity. Inter atomic bonding. Crystal structure. Stacking
sequence and stacking faults. Miller indices. Interplanar distance, Crystal
imperfections. Atomic movements. Phases. Equilibrium diagrams and alloys. Solid
state transformations. Survey of occurrence and extraction of metals. Non -
crystalline and multiphase solids including polymers. Ceramics and composite
materials, fibre - reinforced materials, dispersion strengthened materials and cermets.
MME 311 - ELECTRO CHEMISTRY A D CORROSIO (3,0)
Basic concept of corrosion and socio-economic implication. Introduction to the
thermodynamics and kinetics of Electro chemical corrosion of metals and alloys.
Corrosion - Theoretical Aspects, Electrolysis. Principles. Faradays laws and their
application. Current Efficiency. Energy efficiency. Ion conductivity, Equivalent and
Molar conductivity. Ionic mobilities and Transport Numbers. Electode potential,
Equilibrium potentials-EMF series. Polarization. Over Voltage / Over Potential.
Activation. Concentration. Ohmic Polarization. Effect of Polarization on Electrode
processes. Corrosion as an irreversible electrode process. Tafels Equation. Tafels
slopes. Effect of Temperature, composition and concentration of the Corrosive
media. Kinetics of electrode processes (briefly). Passivity.
Galvanic cells with solid electrolytes. Oxidation - metal rate laws. Wanger's theory
of parabolic oxidation. Application to oxidation of copper, zinc and sulphidaton or
silver oxidation kinetics - low temperature and high temperature.
Electrode processes. Cathodic. Technical processes. Brief classification. Anodic
Technical process. Corrosion-Electrochemical aspects of Corrosion. Corrosion
Cells/Electrochemical cells. Concentration Cells. Temperature Cells. Determination
of Electrode potential. Thermodynamic aspects-Nernst Equation. Helmholtz
equation. Galvanic series. Displacement equilibrium and its significance in
Corrosion processes. Potential-pH, Fe-H2O diagram. E-I diagrams for prediction of
Corrosion currents. Polarization Resistance Linear Polarization technique for
evaluation of icorr .
Corrosion - Practical Aspects. Importance. Direct and Indirect losses. Types and
Forms of Corrosion. Uniform Corrosion. Pitting Corrosion. Galvanic Corrosion, and
Intergranular Corrosion. Stress Corrosion Cracking. Cavitation Erosion. Erosion
Corrosion. Corrosion Fatigue.
Differential aeration Corrosion. Corrosion Rate expressions. Testing Methods. Effect
of velocity, flow-rate. Concentration, temperature and inhibitors and corrosion rates.
Corrosion rate calculations.
Corrosion prevention. 1) Design aspects 2) Alteration of Environment -inhibitors 3)
Alteration of the Materials-Pure metals-alloys, Non-metallic as structural materials -
Reinforcement of the material for reducing Corrosion rates. 4) Surface protection.
Electroplating Principles - Throwing power and its evaluation. Commercial plating
of Cu, Ni, Cr, Cd. Zn. Ag. Au. Electrodeposition of alloys plating structure of
electrodeposits and testing of deposits. 5) Anodic oxidation of Aluminium and its
alloys. Commercial anodizing process. Faults in the Anodic coatings and the
remedies. Treatment after anodizing. 6) Cathodic and Anodic Protection.
Treatment of environmental degradation of non-metals (ceramics, concrete, wood,
polymer and silicate glasses). Discussion of current materials degradation problems
in marine environments, the petroleum industry, aviation and automobile industries;
Energy conversion and generating system.
MME 401: CHEMICAL METALLURGY(3,0)
Application of chemical and thermodynamic methods and principles of the treatment
of importance metallurgical processes. Classification of extractive metallurgy
processes. Gas-solid reaction, slag-metal reaction, oxide reduction, segregation,
distribution, vacuum degassing. Examples taken from metallurgy of common metals.
Thermodynamics and kinetics of hydrometallurgical processes; leaching and solvent
extraction.
MME 403: MATERIALS LABORATORY II (1,0)
Composition determination and materials characterization, casting, casting defects,
moulding sand constituents formulation and testing, joining processes – welding &
brazing, non – destructive evaluation of integrity of weld, - dye penetrant, magnetic
particle inspection, corrosion testing etc.
MME 405: PHYSICAL METALLURGY II(3,0)
Classification of Transformation: Order of transformation, classification by
structural and kinetics features. Generalized approach to a reaction equation. Free
energy consideration and the equilibrium diagram. ucleation: Random, non-
random, site-saturation, measurement. Growth morphology of particles, lamellar
growth. Partitioning, coalescence, measurement.
Hardening Mechanism & Heat Treatment: precipitation hardening, dispersion
hardening, solid solution, decomposition of solid solutions. Entected transformation.
Decomposition of austenite on continuous cooling and isothermally, hardenability.
Theory of martensitic transformation, microstructure of martensite and tempered
martensites, massive and baintic transformation.
Tempering: Effects of alloying elements in special steels, secondary hardening,
controlled transformation in steels, physical metallurgy of alloy steel. Metallurgy of
maraging steels. Temper brittleness, overheating and burning of steels,
superplasticity.
Carburizing: mathematical treatment of carburizing.
MME 407: MI ERAL PROCESSI G TECH OLOGY (3,0)
Objectives and scopes, classification of minerals – liquids and solids. Occurrence and
sources of solid minerals. A survey of Nigeria’s solid mineral reserves. Quality issues
in solid mineral processing. concept of liberations. Communition (ore preparation),
study of primary and secondary crushing and grinding units (jaw, gyratory, reduction
Electrometallurgy, classification of process, cementation, electro refining, and electro
deposition.
Treatment of Extraction of some Important on-Ferrous Metals:
Aluminum: uses, ores, bayer’s process of aluminum production. Hall-Heroult
process. Cryoxite and carbon electrode manufacture. Hapes process of refining.
ALCOA processes. New processes.
Copper uses: Pyro-metallurgical processes. New processes. Flashing melting.
WOCRA and Noranda processes. Hydrometallurgy of copper.
Lead: Uses: ore treatment and production of metal.
Zinc: Uses: Pyrometallurgical and Hydro-metallurgical extraction methods. Imperial
smelting.
ickel: Brief description of Ni extraction from surphide ores, treatment of light
structural metals e.g. magnesium. Ores, uses, concentration, smelting and refining.
Uranium: Extraction of uranium, production flow sheet of zuriconium. Titanium,
thorium, plutonium etc.
Production flow sheet for the extraction of gold and silver.
Nuclear reactor technology. Fuel for nuclear reactions. Basic components of a reactor.
Characteristic and requirements. Types of reactors. Environmental and economic
consideration in choice of production methods.
MME 509 – E GI EERI G PLASTICITY (2,0)
Yield Criteria: Tresca’s maximum shear and Von Mises maximum shear-strain
energy Criteria: relationship between tensile yield stress of yielding. Slip-line Field
Theory: Stress evaluation using slip-line field; Hencky equations and determination of
Stress and slip-line at the free boundary surface. Frictionless boundary interface,
Boundary interface with Coulomb friction and boundary interface with fullsticking or
maximum friction. Plan and Hill slip-line field evaluations: Derivation of Geringer’s
velocity equations. Principles of the upper Bound theorem. Upper bound analysis of
simple upsetting using an admissible parallel velocity upper boundary principle under
plane strain conditions; Application of Upper bound theory to plane strain conditions;
Application of Upper bound theory to plane strain indentation, extrusion and forging.
MME 510 – SOLIDIFICATIO A D FOU DRY TECH OLOGY (2,0)
Processes of freezing: Nucleation and growth of solid phase: plannar and dendritic
growth freezing of alloys; constitutional supercooling. Solidification of two-phase
alloy; structure of cast alloy; effect of cast structure on properties; segregation in
ingots. Casting techniques and finishing operations; defects in casting.
MME 511 – FUELS, FUR ACES A D REFRACTORIES (3,0)
Types of fuels – solids, liquids and gaseous.
Fuel classification and characteristic
- Solid fuels – classification: theories of formation of coal. Types and
properties of coal. Proximate and ultimate analysis of coal, carburization of
coal (coke and by products). Testing and properties.
- Liquid Fuels: classification. Theories of formation of petroleum, petroleum
refining, distillation, synthetic petrol. Bergius process, fisher process and
trospech. Coal tar fuels. Testing and properties.
- Gaseous fuels: classification. Production of PG, WG, CWG, LD Gas,
Coke oven and gas and BF gas. Industrial gasification processes. Lurgi,
Winklers, and kopper Totzek processes, properties and testing.