CCMAS Course Search

Ironmaking: Review of raw materials for ironmaking. Iron Blast Furnace - Design, reactions and process control. Post-production treatment of the products of the Iron Blast Furnace - Slag granulation and uses, gas cleaning, flue dust removal and hot metal treatment e.g., desulphurisation, dephosphorisation and desiliconisation; Direct reduction - Process description, reactions and products, process control. Steelmaking: Review of raw materials for steelmaking. Basic Oxygen Steelmaking - Design of the converter, physico-chemical reactions, process and quality control. Electric Arc Steelmaking - Reactor design, continuous feeding, power programme, process and quality control. Alloy steel production e.g., stainless steelmaking - process and quality control; AOD. Secondary Steelmaking: Clean steel production processes e.g., vacuum induction melting, electroslag remelting, degassers. Other secondary steelmaking processes e.g., calcium treatment and steel desulphurisation. Stirring and injection techniques. Deoxidation of steel: Thermodynamic principles and methods. Pre- requisite: MAE 301.

The course will consist of informal seminars and audio-visual demonstration and illustrations of the following: Materials in the service of mankind, etc. The scope of Materials Engineering. History of metallurgical operations in Nigeria. Modern engineering materials processes and operations. Introduction to new and emerging materials-nano and bio-materials. Extraction of metals from ores; materials production and finishing processes. Identification and selection of engineering materials. Laboratory procedures for the investigation of materials structures and properties. Heat treatment equipment and procedures. Property classification. The roles and functions of Materials Engineers in metallurgical, ceramic and plastic industries. 200 Level

Basic concepts, definitions and laws (quantitative relations of Zeroth, first, second and third laws of thermodynamics). Properties of pure substances: the two-property rule (P-V-T behaviour of pure substances and perfect gases); state diagrams. The principle of corresponding state; compressibility relations; reduced pressure; reduced volume; temperature; pseudo-critical constants. The ideal gas: specific heat, polytropic processes. Ideal gas cycles; Carnot; thermodynamic cycles, turbines, steam and gas, refrigeration. The first law of thermodynamics – heat and work, applications to open and closed systems. The steady flow energy equation (Bernoulli’s equation) and application. Second law of thermodynamics, heat cycles and efficiencies.

Atoms, molecules, elements and compounds and chemical reactions. Modern electronic theory of atoms. Electronic configuration, periodicity and building up of the periodic table. Hybridization and shapes of simple molecules. Valence Forces. Structure of solids. Chemical equations and stoichiometry; Chemical bonding and intermolecular forces, kinetic theory of matter. Elementary thermochemistry. Rates of reaction, equilibrium and thermodynamics. Acids, bases and salts. Properties of gases. Redox reactions and introduction to electrochemistry. Radioactivity.

Historical survey of the development and importance of Organic Chemistry. Fullerenes as fourth allotrope of carbon, uses as nanotubules, nanostructures, nanochemistry. Electronic theory in organic chemistry. Isolation and purification of organic compounds. Determination of structures of organic compounds including qualitative and quantitative analysis in organic chemistry. Nomenclature and functional group classes of organic compounds. Introductory reaction mechanism and kinetics. Stereochemistry. The chemistry of alkanes, alkenes, alkynes, alcohols, ethers, amines, alkyl halides, nitriles, aldehydes, ketones, carboxylic acids and derivatives. The Chemistry of selected metals and non-metals. Comparative chemistry of group IA, IIA and IVA elements. Introduction to transition metal chemistry.

Laboratory experiments designed to reflect topics presented in courses CHM 101 and CHM 102. These include acid-base titrations, qualitative analysis, redox reactions, gravimetric analysis, data analysis and presentation.

Continuation of CHM 107. Additional laboratory experiments to include functional group analysis, quantitative analysis using volumetric methods.

Space and time. Units and dimension. Vectors and scalars. Differentiation of vectors (displacement, velocity and acceleration). Kinematics. Newton’s laws of motion (Inertial frames, impulse, force and action at a distance, momentum conservation). Relative motion. Application of Newtonian mechanics. Equations of motion. Conservation principles in physics (conservative forces, conservation of linear momentum, kinetic energy and work, potential energy). System of particles. Centre of mass. Rotational motion (torque, vector product, moment, rotation of coordinate axes and angular momentum). Coordinate systems. Polar coordinates. Conservation of angular momentum. Circular motion. Moments of inertia (gyroscopes, and precession). Gravitation (Newton’s Law of Gravitation, Kepler’s laws of planetary motion, gravitational potential energy, escape velocity, satellites motion and orbits).

Heat and temperature, temperature scales; gas laws; general gas equation; thermal conductivity; first Law of thermodynamics; heat, work and internal energy, reversibility; thermodynamic processes; adiabatic, isothermal, isobaric; second law of thermodynamics; heat engines and entropy, Zero’s law of thermodynamics; kinetic theory of gases; molecular collisions and mean free path; elasticity; Hooke's law, Young's shear and bulk moduli; hydrostatics; pressure, buoyancy, Archimedes' principles; Bernoullis equation and incompressible fluid flow; surface tension; adhesion, cohesion, viscosity, capillarity, drops and bubbles.

This introductory course emphasizes quantitative measurements. Experimental techniques. The treatment of measurement errors. Graphical analysis. The experiments include studies of meters, the oscilloscope, mechanical systems, electrical and mechanical resonant systems, light, heat, viscosity, etc. (covered in PHY 101, 102, 103 and PHY 104). However, emphasis should be placed on the basic physical techniques for observation, measurements, data collection, analysis, and deduction.