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Structure of matter, Crystal imperfection. Simple
phase diagrams of alloys. Physical properties of materials
(i.e. wood, cement, plastics and alloys). Mechanical
properties of engineering materials. Engineering
Materials. Engineering and True Stress -Train
curves. Ultimate strength, ductility, impact strength,
hardness torsion, Creep and fatigue failure.
Electrical properties - conductivity, semi-conductivity
and superconductivity. Optical and magnetic properties
of materials. Stability of materials in the service
environment – corrosive media, sub zero and elevated
temperature irradiation.
Basic criteria for the selection of materials for engineering
applications. Engineering properties of Wood, concrete,
ceramic polymers, ferrous and non-ferrous metals
and alloys, cryogenic, corrosive media and nuclear
applications.
This is a four-week participation programme (during
long vacation) in the engineering workshops in the University.
Descriptive Statistics: Mean, Median, Mode. Charts and
frequency distribution curve probability and probability
distribution. Normal distribution. Binomial distribution
Linear and multiple regressions correlations. Analysis
of variance and degree of confidence interpretation
of statistical results and inferencing statistical models.
Computer applications in statistics.
Principles of effective communication. Professional use
of the English language. Principles of technical writing.
Oral presentation of technical idea.
Introduction to mineralogy and mineralogical studies:
Classification of minerals and their mineralogical properties.
Structures and textures of minerals and their significance
in mineral genesis and mineral treatment.
Application of mineralogy to mineral processing technology.
The assessment of ores, unit processes and
products in mineral treatment operation by quantitative
mineralogical analysis. The preparation of mineralogical
mass balances. Comminution and basic
communition theories. Crushers and grinders. Sizing
analysis and determination of mineral liberation characteristics.
Ore blending. Classification. Concentration
Techniques, the use of heavy liquids, magnetic,
gravity and other separation techniques. Surface chemistry
and other principles of froth floatation. Mill calculation
and selectivity index. Typical mineral Engineering
flowsheets and case studies. Materials balances
in mineral processing.
Introduction – Present status and scope of foundry industry
in Nigeria. History and Development of metal
casting. Crystalline nature of metals. Characteristics of
pure metal and alloys. Simple phase diagrams. Nonferrous
metals. Solidification metal flow principles.
Alloying elements effect. Production of grey, white and
high strength cast irons. Properties of fine and coarse –
grained steels. Pattern making: Differences between
pattern and casting. Tolerance calculation in pattern
forming: method and economics. Pattern types. Methods
of pattern forming. Introduction to castings techniques:
Gravity die casting, squeeze casting, investment
casting, sand casting, expanded polystyrene for iron,
steel and non-ferrous castings. Moulding and core making:
Properties of good molding sand. Types of moulding
sands, Types of moulding processes. Typical moulding
problems and remedies. Moulding tools.
Centrifugal casting, shell moulding, CO2 processes.
Degasification of metals. Structure and properties of liquid
metals and slag.
Classification and types of iron ores. Agglomeration
techniques. Introduction to iron and steelmaking, Blast
furnace ironmaking, Theory and principles of materials
and heat balance, Modern development in blast
furnace, Alternative ironmaking processes, Principles
of steelmaking, Oxygen steelmaking processes, EAF,
Hot metal pretreatment and combined blowing, Electric
arc furnace, Ladle processing of liquid steel and
casting, Problems of steelmaking in Nigeria.
Fuels: Survey of the main engineering fuels: solid, liquid
and gaseous fuels. Electrical energy. Non conventional
energy, solar, Nuclear, geothermal energy. Classification
and testing of fuels. Fuels and energy utilization
in the metallurgical industry. Technical and
economic considerations in the choice of fuels and energy.
Introduction to fuels and energy. Introductionto fuel calculation and technology.
Furnaces: Classification of metallurgical furnaces and
reactors: blast furnaces, electric furnaces, open hearth
furnaces, converters fluidized bed reactors.
Refractories: Technology of production and services
properties of the main metallurgical refractories. Silico,
Magnestite Dolomite, Chromo-magnesite, Aluminosilicates,
Carbon refractories. Special refractories. Examples
of application in metallurgy. Experimental
methods of testing and evaluation of refractories.
An introduction to the fundamental methods of formulation
and solution of Chemical Engineering problems
involving physical and chemical changes of materials
and accompanying heat effects. Mathematical quantitative
relations of chemical reactions and physico-chemical
processes. Principles of overall mass and energy balances
and the application of these principles to metallurgical
systems. State relation for real gases
Phase rule, Lever’s rule and free energy of phase mixture:
Binary systems: Isomorphous system, equilibrium
and non-equilibrium solidification, Hume-rothery rules,
free energy-composition diagrams, binary eutectic,
peritectic, momotectic and syntectic systems, equilibrium
and non-equilibrium solidification, microstructure,
diffusion couple, common alloy systems, ceramic systems,
cast irons: Quasi-chemical theory of solutions,
applications: Binary eutectoid, peritectoid and
monotectoid systems, microstructure of plain carbon
steel: Quantitative microscopy: Ternary phase diagram,
Gibbs triangle, representation, two-phase, three-phase
and four-phase equilibria.
Thermodynamics of transformation, nature of interfaces,
theory of nucleation, solidification of pure metals and
binary alloys, ingot solidification, segregation and porosity
during solidification of alloys, growth during solid
state transformation, overall transformation kinetics,
ferrite, pearlite, bainite and massive transformation, precipitation
and Ostwald ripening, recovery, recrystallization
and grain growth, martensitic transformation,
TTT and CCT diagrams of steel, structure-property
relation in steels,
Wave theory of the atom. Shroedinger wave equation
and simple applications. Wave particle duality uncertainty
principle. Electron diffraction.
Nucleation of phase changes: homogeneous nucleation
and heterogeneous nucleation. Diffusion in solids. Grain
growth.
Crystal Imperfection: theoretical strength of crystals;
actual strength of crystal; point defects; effect of point
defects in mechanical properties; observation of point
defects. Line defects; dislocation theory; observation of
dislocations, behaviour of dislocation stress field around
dislocation; energy of curved dislocation; forces acting
on dislocations; dislocation forces. Slip phenomena.
Strengthening mechanisms.
Planar defects; grain boundaries, domain boundaries
stacking faults, twin and twin boundaries.
Specific topics include dislocations and slip phenomena;
twinning; the nature of the cold-worked state;
Nucleation and growth kinetics, annealing-recovery,
recrystallization, and grain growth; textures; grain
boundaries and other interfaces; and strengthening
mechanisms. Diffusion processes in metals and alloys.
The practicals will be centered on mineral processing,
foundry and ceramics.
Outline of major competing routes of metal production
from their ores. Limitations and factors influencing the
choice of production and refining process i.e. the scientific
and technological analysis of extraction processes.
Ore treatments techniques (roasting, pressure oxidation,
bio-oxidation). Thermodynamics and kinetics of
hydrometallurgical processes; leaching. Cementation,
precipitation, ion exchange and solvent extraction processes.
Principles of electrometallurgy (electrowinning
and electrorefining). Fire refining. Extraction and refining
of most common commercial metals such as
aluminium, copper, lead, zinc nickel, tin, gold etc.
Elastic deformation metals/materials: Principles of
stresses and strains in metals. Complex stresses acting
on two planes at right angles. Mohr’s circle. Principal
stresses and strains. Maximum shear stresses.
Distortion energy and yield criteria.
Plastic Deformation of Metals/Materials
(i) Concept of plastic deformation- point defects,
vacancies, interstitial and impurity atoms. Line defects
– slips and twins etc.
(ii) Dislocation theory – Review of crystal geometry,
crystallographic planes and direction. Stress field and
strain energy of point defects. Dislocation types and
properties. Burger’s Vector, stress field and strain
energy of a dislocation. Forces between dislocations.
Partial and super dislocation. Dislocation glides and
climbs, jogs, interaction with vacancies, interstitials
and solute atoms. Dislocation sources, Frank-Read
source. Dislocation pile-up. Equilibrium dislocation
density, temperature effects. Concept of plastic flow.
(iii) Plastic Deformation of Single Crystals. Deformation
by Slip, Slip system of FCC, BCC, and HCP single
crystals. Critical resolved shear. Deformation by twinning.
Twin planes and directions. Stacking faults, deformation
bands and kink bands. Lattice fragmentation.
Theoretical strength of single crystals. Plastic Deformation
of Polycrystalline Metals/Materials; Structure of
grain boundaries. Effect of grain size and grain structure
on plastic flow. Theory of yielding, necking and
structure on plastic flow. Theory of yielding, necking
and failure, yield and ultimate strengths. Strain rate effect.
Banschinger effect. Resound stress. Internal friction.
Theory of Creep: Creep curves, creep strength.
Theory of Fatigues: S – N curve, Fatigue limit and Fatigue
strength. Factor, affecting the behaviour of metals
in fatigue – size, surface condition previous head, stress
system convention, temperature and metallurgical structure.
Fatigue behaviour of metals. Fracture Analysis:
Fracture curves in single crystals and polycrystalline
metals e.g. cleavage, shear, ductile etc.
Thermo-chemistry: First law of thermodynamics. Reversible
and irreversible processes, enthalpy function,
equation of state. Heat of reactions types, thermochemical
equations, Hess’s law of summation, Kirchoff’s law.
Zeroth’s law of thermodynamics. Chemical equilibria.
Concept of free energy. Review of thermodynamic functions.
Dependence of free energy on pressure and temperature
Fugacity, activity and activity coefficient. Free
energy and equilibrium constant for ideal and non-ideal
reaction systems. Ellingham-Richardson diagrams and
application to metallurgical reactions system. Solution
thermodynamics. Ideal, real and dilute solutions.
Raoult’s law and application. Henry’s law and application.
Concept of activity and standard states.
Changes of standard states. Partial and integral molar
thermodynamic properties of solutions. Gibbs-
Duhem equation and its application. Phase equilibria.
Thermodynamic interpretation for one component system.
Clausius-Clayperon equation. The phase rule
and application to one and Clayperon equation. The
phase rule and application to one and two component
systems. Kinetics of a reaction system. Rate equation,
order of reaction. First and second order rate
equations. Mechanisms of a reaction sequence. Nature
of elementary reactions and concept of rate controlling
step. Arrhenius equation and activation energy.
Element treatment of absolute reactions rate theory. Brief
introduction of diffusion phenomena and applicable laws
via Fick’s first and second laws.
The practicals will be centered on extractive metallurgy,
refractories and Mechanical Metallurgy.
This is an eight week programme involving visit to industries
of interest to Materials and Metallurgical Engineering
as well as in –situ training in enterpreneuship.
Mechanical working of metals: Texturing (preferred orientation)
stress concentration. Hardening and Strengthening:
Hardening and strengthening by point defects,
including solution hardening), second phase particles
and other phase structures. Work hardening. Theoretical
cohesive strength. Factors affecting the initiation
and propagation of cracks
Principles of hot and cold working of metals. Structural
and property changes during hot and cold working.
Nature of Stresses, strains and metal flow in various
metal working operations. Heating of Stock: Soaking
pits and re-heating furnaces, de-scaling steels, precautions
to be taken during re-heating of ferrous and nonferrous
metals. Rolling mills and accessories, elements
of roll pass design. Manufacture of rolled products.
Forging and Extrusion. Types of forging processes, forging
equipments, and forging defects. Roll forging and
rotary swaging. Types of and variables in extrusion.
Extrusion equipment. Wire drawing: Wire drawing
techniques. Tube making: seamless tubes.
This is a six months (in the second semester) participation
in approved industrial training programme arranged
in different materials and metallurgical industries
in Nigeria.
Types of ceramic materials and bonding mechanisms
of ceramic materials structure and bonding mechanism
of ceramic materials structure and bonding
mechanisms of ceramic materials. Characteristics of
vitreous and crystalline inorganic non-metals. Application
and discussion of effects of microstructure on
thermal, mechanical, optical electrical and magnetic
properties of ceramic products. Description of manufacturing
techniques for various ceramic products.
Fundamental aspect of modern composite materials.
Types of composite materials viz, fibre reinforce, particulate,
dispersion strengthened and laminar types.
Characteristics and properties of composites. Measurement
and testing of properties of composites. Brief
discussion, application of composites in engineering
design, their micromechanics and failure modes.
Crystallography of materials; Bravais lattices, crystal
systems, and crystal structures. Diffraction methods; Xray,
electron, and neutron scattering; atomic scattering
factor; structure factor; powder techniques; Laue
method; reciprocal lattice; electron diffraction; amorphous
materials;
Principles and description of the experimental techniques
for materials/mineralogical characterization including:
x-ray diffraction, optical and electron microscopy,
transmission electron microscopy, Auger electron
spectroscopy, x-ray photoelectron spectroscopy,
atomic absorption spectrometry, etc.
Casting Properties of Metals and Alloys:
Fluidity- characteristics of metals and alloys of good fluidity,
factors affecting fluidity of metals and alloys;
Shrinkage-linear shrinkage volume shrinkage, casting
shrinkage (free and impeded) factors affecting shrinkage
of metals and alloys, linear shrinkage curve of a
given alloy; Segregation-Minor segregation, major segregation,
inverse segregation, mechanism of their formation
and implications.
Melting Practice: Furnace charges and their calculations-
trial and error method, analytical method and
graphical method.
Gating System: Gating elements and their significance,
gating methods, design of gating system, determination
of cross-section of gating elements.
Risering: Risers and their significance, risers designs,
risering curve, placement of risers, requirements of effective
risering, dimensioning of risers.
Casting Design: Solidification and design- solidification
and section geometry, solidification and cross sectional
area, solidification and mechanical properties,
solidification and heavy isolated areas, part-line placement,
tolerances, section thickness, draft , machining
allowances, shrinkage allowances; Economic considerations-
multiple cavity casting, fabrication, cored
holes, subsequent operations. Casting Defects: stresses
and hot cracks during the freezing and cooling of casting;
Determination of stress values during freezing.
Quality Control: Quality of moulding sand and metals.
Non-destructive methods and other methods.
Principles of corrosion and oxidation, Basic concepts,
classification, Thermodynamics and kinetics of electro
chemical corrosion, Electrode Potential, Poubaix diagram,
corrosion rates, types of Corrosion Bimetallic
Corrosion, localized attack passivity and passivation,
structure of metals and alloys, Effects of Mechanical factors
on corrosion, theory of stress corrosion, corrosion
fatigue, corrosion control, Design and corrosion cathodic
protection, Protection by metallic coating and other coating
Environmental control. Description of metallurgical
factors, effect of applied stress (stress corrosion cracking
and corrosion fatigue and passivity). Discussion of
methods of corrosion control and prevention including
alloy selection, environmental control (inhibitors), design
rules anodic and cathodic protection and protective
coatings. Principles of electroplating and surface
finishing.
Chemistry-polymerisation processes - condensation,
polymerisation. Addition polymerization. Expoxidepopolymerization
(Fibre glass, carbon fibre materials) synthetic
rubbers. Styrene-butadiene rubber. Thermoplastics
and thermosetting plastics technology –
polymerisation system. Molecular weight and melt flow
index mould techniques including steam-mould for expanded
polystrene. Compression moulding. Projection
moulding, extrusion moulding calendaring solid
state forming.
Theory of heat treatment; free energy; crystallization temperature;
crystal structures; supercooling, liquation and
dendrites; Phase changes in alloys; Annealing,
Normalising, controlled atmosphere; Heat Treating
carbon and Low alloy steels, case hardening of steel,
induction and flame Hardening; internal stress and
defects; Tempering (thermal and deformation) Nitriding, carbonitriding; effect of alloying elements. Heat
treatment of cast iron; tool steel; stainless steel and
Heat resisting steel. Heat treatment of non-ferrous
metals. Nucleation and growth processes in metals
with particular reference to austenite formation and
decomposition, discontinuous precipitation, particle
coarsening, martensitic transformation. Detailed heat
treatment of special important commercial materials
especially bearing steels, aluminium alloys titanium
alloys, nickel based alloys, high strength low alloy steel
and stainless steels.
The practicals will be centered on materials characterization,
corrosion and heat treatment.
Dewatering, Tailings disposal, Physical properties of
minerals. Ore sampling techniques. Comminution
theory. Criteria for selection of grinding and screening
equipment and mineral concentration techniques. Selection
of mineral concentration equipment. Design, testing
and drying; materials handling. Agglomeration and
sintering processes; Flocculation. Economics of mineral
processing technology. Environmental control of mineral
processing plants. Topics include analysis of particulate
solids, noxious gases and pyrometallurgical
and hydrometallurgical processes; environmental standards
for liquid effluent quality and for gas and dust
emissions; separation of particulate solids from gaseous
and liquid flow streams by cyclones, scrubbers,
electro-static precipitators, filters and sedimentation;
neutralization and separation of chemical contaminants
from liquid, tailings pond management. Safety
engineering in mineral processing industries.
Introduction of powder metallurgy, applications of
powder metallurgy techniques in industries, methods
of production of metal powders, grinding and blending
of powder; compaction by pressing, extrusion, rolling
and explosive techniques; sintering, sizing and impregnating;
sintered products. Future trends in powder
metallurgy. Advantages and disadvantages of
powder metallurgy techniques. Safety engineering in
powder metallurgy industries.
The objective of the course is to draw students’ awareness
to the link between scientific and technological
knowledge and productive capacity. The emphasis
will be on the rational utilization of technology as an
economic resource in Nigeria. Science, Technology and
Development: relationship between scientific and Technological
knowledge and productive capacity: implication
for planning in a developing country. In-depth of
the scientific infrastructure; structure of science-based
industry; vertical specialization and the role of R and D
and innovation. The acquisition of technology as a resource;
its role as a vehicle for monopolistic control;
mechanisms of technology transfer; institutional forms
of foreign investment; bargaining for the acquisition of
technological know-how, Technology policy; is design
and implementation in Nigeria: The structure of science
and technology. The sociology of the scientific community.
Basic derivation of transport properties based on kinetic
theory of gases. Use of dimensionless parameters; Re,
Se, Pr. Basic heat transfer equations and mechanisms’
steady state and unsteady state heat transfer. Heat transfer
coefficients. Application of dimensional analysis to
heat flow. Basic mass transfer equations. Mass transfer
equations and models. Mass transfer between multiple
phases; Mass transfer equipment; Motion of single particles
in fluids. Terminal falling velocities. Calculation
of pressure drops. Counter current and co-current
flow of fluids through packed columns. Theory of similarity,
Heat transfer in forced cross and longitudinal
flow; Heat transfer and Hydraulic Resistance; Heat
transfer by free convection and condensing vapours;
boiling liquids; Radiation heat transfer between solids
separated by a transparent (diathermal) participating
medium; Radiation heat transfer in absorbed medium,
calculation of heat exchangers.
Analysis of process and plant design factors involved
in metallurgical processing of materials; Identification
of process flowsheet: Materials and energy balance,
detailed plant flowsheet; The application of fundamental
metallurgical principles to the design of process
which includes, thermodynamics, rate phenomena,
unit operations, and pilot plant data. Design
stages: laboratory scale, pilot plant and industrial scale.
Introduction to modeling and simulation as applied
to metallurgical processes. Types of models. Special
emphasis on problem definition, model formulation
and solution analysis, with sufficient details on existing
algorithms and software to solve problems in Metallurgical
processes. Simulation Examples and General Principles, Simulation Languages, Software etc .
Verification, Validation of simulation Models and
Output analysis. Mathematical modelling and simulation
of some of the metallurgical and mineral engineering
processes
Preliminary estimate of resources and facilities: Methods
of estimating process costs and profitability: Topics
considered include optimal allocation of resources, minimized
manufacturing cost and minimization of energy
requirements for new plant designs, as well as process
innovations for existing plants. Environmental impact
analysis: Case studies of typical metallurgical plant operation.
A case studies approach will be used employing
such examples as typical mineral processing, metal
smelting and the hydrometallurgical production of some
metal.
Theory of Alloying. Liquid-Solid Transformations. Solid-
Solid Transformations. Metal ingot structure.
Strengthening Mechanisms and Processes: Mechanical
treatments (e.g. work hardening, shotpeening), Solid
solution hardening, Precipitation and Dispersion hardening,
Fibre reinforcement, Martensitic strengthening,
Grain size strengthening , Thermal treatments (e.g. induction,
nitriding, carbo-nitriding), Diffusion coating
or Metallic cementation (e.g. aluminium impregnation,
chromium impregnation, boron impregnation),
Radiation strengthening, Ion implantation. Interaction
between dislocations, impurities, microparticles and
related topics in deformation and relation of properties
to microstructure. TTT and CCT diagrams. Structure-
property relationship in steels. Thermodynamics
of transformation.
The basic principles necessary for the selection and
design of engineering materials, allowing the most suitable
materials for a given application to be identified
from the full range of materials and section shapes
available. Characterization of engineering materials.
Development in the manufacture of steel and its uses.
Case studies are developed as a method of illustrating
a novel approach employing materials selection
charts which capture the important properties of all
engineering materials, allowing rapid computer retrieval
of information and the application of various
selection techniques
Application of principles of economics in the evaluation
of materials for the process industry. Materials for
engineering design. Cost analysis and control. Focus
on product liability. Application of operational research
techniques, decision making, forecasting, linear
programming, waiting line models simulation models.
Queuing theory, replacement theory network analysis
etc. Production control (Maintenance, inventory
control, quality control). Computer application in the
metals industry. Computer aided material selection:
computer aided design and manufacturing
(CADCAM); Computer aided rapid prototyping
(CART) and fast free form fabrication (FFFF).
Students are assigned practical work in any aspect of
the discipline which could be investigative in nature or
design profile .It could also be a theoretical verification
of fundamental processes in materials.
Introduction to basic metallurgical equipment. Physical
and chemical principles which underlie the design
and use of modern equipment in metallurgical applications.
Organization of feasibility studies, project control
techniques, long-term mine scheduling and sequencing
as well as budgeting for metallurgical operations.
Stoichiometry of multiple reactions and kinetics
of homogeneous reactions. Reaction kinetic
models applied to the analysis and design of metallurgical
reactors. Design criteria for basic metallurgical
equipment. Design of metallurgical equipment:
blast furnace, oxygen converters, cupola, foundry furnaces
e.t.c and equipment for small and medium scale
metallurgical enterprises. Continuous casting machines;
Analysis of plant design factors involved in metallurgical
and materials industries. Topics considered include
optimal allocation of resources, minimized
manufacturing cost and minimization of energy requirements
for new plant designs, as well as process
innovations for existing plants. Design for safety and
pollution abatement.
Introduction to estimating techniques, production
planning and control, planning methods; network
analysis; management control information and operation
research techniques. The Nigeria legal system; the
law of contract: liabilities in tort. Aspects of starting a
business, selecting a promising idea, initiating enterprises,
explicating opportunities and obtaining initial
finance, market analysis. Legal aspect of starting a
business. Accounting and special tax problems, going
public, setting out, acquisition. Banking and diversification decisions. Family involvements, entrepreneurial
succession. Management organization and
control. Students’ business proposal.
Review of basic principles—quantum theory, band and
zone theory. Transport, electrical and thermal properties;
semiconductors and semiconductor devices. Materials
parameters and electronic properties of semiconductors
are discussed as basic factors in the engineering
of semiconductor devices. Materials parameters
related to preparation and processing methods,
and thus to the electronic properties. ; magnetic materials-
hard and soft; dielectric and optical properties.
The implications of materials parameters and properties
on selected simple devices are discussed.
Introduction: Role of welding and brazing as manufacturing
processes. Welding: Types of welding processes
– gas, arc. Resistance, flash, friction and electro-slag
welding etc. Brief treatment of new processes such as
explosive, plasma arc. And electro beam welding,
weld rods, and fluxes protective atmospheres, welding
defects and weldablility of metals and alloys. Effect
of welding processes and parameters on the structure
and mechanical properties of weldments. Heattreatment
of welds. Design of welded joints. Brazing:
scope and limitations, types processes brazing alloys,
brazing of commercially important ferrous and nonferrous
metals and alloys. Soldering: Processes, soldering
alloys and application of soldering technique.
Fundamental aspect of modern composite materials.
Types of composite materials: Vix fibre, reinforced,
particulate dispersion strengthened and laminar types.
Characteristics and properties of composites. Measurement
and testing of properties of composites, brief discussion,
application of composites in engineering design their
micromechanics and failure modes
MME 515 : SEMINAR (1UNIT)
Students are assigned topics on any aspect of the discipline
for which they are expected to submit a written
report and defend orally such write – up.
Current hydrometallurgical practice as applied to: mineral
processing, metal extraction, and recovery; Recent
developments in technology; thermodynamics and kinetics
of hydrometallurgical processes; leaching and
solvent extraction. Thermodynamic of electrometallurgy,
electrolyte, electrochemical potential, conduction
of ions in solution, overpotential, absorption, phase formation:
Economics of an electrolytic process, principles
of cell design, Electrochemical technology: Electrowinning,
electrorefining and metal electroforming, electrochemical
machining, electroplating, anodizing, pickling,
electrophoretic painting, electrochemical treatment
of minerals, batteries and fuel cells, water treatment
and environmental protection
Raw materials preparation. Densification and properties
of compacts (bulk, density and shrinkage) – Structure
of silicates amorphous and crystalline). Effect of
atomic arrangement on thermal, mechanical, and electrical
properties. Shaping processes (hot-pressing,
hydroplastic forming).
Type of failures, buckling, fracture in brittle and ductile
materials, fractography ,mixed mode, and fatigue
failures environmental effects, wear, creep, and yielding
phemomenoa ,high strain rate failures, case histories
of component failures. Fracture mechanisms and
mechanics of solid materials. Topics include: nature
of brittle and ductile fracture, macro-phenomena and
micro-mechanisms of failure of various materials,
mechanisms of fatigue failure: crack nucleation and
propagation, Griffith theory, stress field at crack tips,
stress intensity factor and fracture toughness, crack
opening displacement, energy principle and the J-integral,
fracture mechanics in fatigue, da/dN curves and
their significance. Practical examples of fatigue analysis
and fundamentals of non-destructive testing.
Environmental Regulations pertaining to the effect of
mineral processing on environment and tailing disposal.
effect of Extractive metallurgy on the Environment
– air, water, pollution. Preventive and curative
measures. Health hazards peculiar to the metallurgical
industry and preventive measures. Design and
Fabrication of safety equipment. Recent advances on
environmental issues pertaining to the mineral, metallurgical
and materials industries.
Origin of coal-effect of different degrees of coalification
and geological age on rank, composition and petrographic
constituents of coal. Different coal types,
sampling and analysis of coal standard tests and their
significance. Determination of coking properties of
coals. Coal classification. The coking mechanism,
significance of the plastic primary and secondary products
of carbonization. Production and properties of
coke for different uses – monitoring tests and their
significance. Preparation and cleaning of coal. Float
and sink tests. Different washing processes and their
application. Processes and plant used in the production
of coke, processes and plant used in the treatment
of gas and recovery of by-products from the carbonization
processes
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