A course of 36 lectures, 24 hours of practice classes or seminars, 38 hours of practical work, and one or two excursions.
SYLLABUS
(a) Introduction to systems for processing materials. Raw materials, their selection, assembly and characteristics In relation to preparations for subsequent processing. Size reduction and size separation. Liberation.
Thermodynamic and kinetic factors affecting separation of chemical com- ponents by means of phase separations in non-reactive and reactive systems. Transfer of mass, heat and momentum. Mass and energy bal- ances in relation to phase and component separations.
(b) Separation of materials. Separations of: solid from solid, solid from liquid, solid from gas, liquid from liquid, liquid from gas, gas from gas.
(c) Preparation of materials for utilization. Technological aspects of pro- cessing materials to make both metals and non-metals. Examples of integrated processes for producing metals. Mechanical processing of pro- ducts, e.g. casting, compacting, rolling, etc. Preparation of products for transport and storage.
PRACTICE CLASSES, SEMINARS, PRACTICAL WORK. These relate to the lecture syllabus.
BOOKS
These are selected from the list under METALLURGY 200 below.
EXAMINATION Tests throughout the year and one 3-hour paper. All work done in connection with practice classes, seminars, practical work and excursions will be taken into account in assessing the results of the annual examination. All records made during the year should be retained for sub.
mission if required In connection with the annual examination.
185
METALLURGY
211 MATERIALS PROCESSING
A course of 36 lectures, 36 hours of practice classes or seminars, 36 hours of practical work, and one or two excursions..
SYLLABUS As for 201, together with:
(d) Introductory Statistical Thermodynamics. Randomness aspects of the physical states of matter. Randomness of monatomic gases. The concepts of temperature and entropy in terms of randomness and internal energy. Free energy in relation to stability. Configurational entropy, inter- nal energy and free energy of solid solutions. Free energy related to com- position and physical state as a basis for understanding phase diagrams, alloy transformations and chemical reactions.
BOOKS As for 201.
EXAMINATION As for 201.
202 MATERIALS SCIENCE
A course of 36 lectures, 24 hours of practice classes or seminars, 36 hours of practical work.
SYLLABUS
(a) Structure and mechanical behaviour of Materials. Crystalline solids, crystallography and crystallographic techniques, crystal structures In relation to types of bonding. Amorphous materials. Multi-phase structures and the use of phase diagrams in their interpretation. The structures of commercially important alloys. Corrosion and oxidation.
Mechanical tests and classification of behaviour. Elasticity and inelas- ticity. Viscosity. Geometry of plastic deformation. Dislocations and the theory of deformation. Fracture: the Griffith theory, mechanisms of crack initiation, brittle fracture, ductile rupture, the ductile-brittle transition, intercrystalline fracture, creep and fatigue failure. Non-metallic materials.
Shaping processes.
(b) Theory of Metals. Atomic structure, bonding, cohesion of metallic crystals. Behaviour of electrons in a lattice, Brillouin zones, electrical conduction. Semi-conductors, magnetic properties.
PRACTICE CLASSES, SEMINARS, PRACTICAL WORK. These relate to the lecture syllabus.
BOOKS
These are selected from the list under METALLURGY 200 below.
EXAMINATION Tests throughout the year and one 3-hour paper. All work done in connection with practice classes, seminars, practical work and excursions will be taken Into account in assessing the results of the annual examination. All records made during the year should be retained for submission if required in connection with the annual examination.
212 MATERIALS SCIENCE
A course of 36 lectures, 36 hours of practice classes or seminars, 36 hours of practical work.
SYLLABUS As for 202, together with:
186
METALLURGY
(c) introductory Statistical Thermodynamics. Randomness aspects of the physical states of matter. Randomness of monatomic gases. The concepts of temperature and entropy in terms of randomness and Internal energy.
Free energy in relation to stability. Configurational entropy, internal energy and free energy of solid solutions. Free energy related to composition and physical state as a basis for understanding phase diagrams, alloy trans- formations and chemical reactions.
BOOKS As for 202.
EXAMINATION As for 202.
203 CONTINUUM MECHANICS
A course of 24 lectures, 24 hours of practice classes and 36 hours of practical work.
SYLLABUS
1. Mechanical Behaviour
(a) Stress and strain states: Definitions—true and nominal stresses and strains. Generalized state of stress. Stresses on any plane. Principal stresses and strains. Deviator and spherical components.
(b) Possible Responses to Mechanical Environment. (i) Short-term de- formation responses. The three ideal responses, Hookean elasticity. New- ton viscosity, Rigid plastic. Non-ideal responses. Non-Hookean elasticity.
Time dependent elasticity, non-Newtonian viscosity, Visco-elasticity.
Elastic plastic, strain hardening plastic, strain-softening plastic. (ii) Short- term fracture responses. Cleavage, Interparticle, Ductile—characteristic.
2. Analysis of Stress and Strain (1) Bending of Beams. Pure Flexure.
Stress-strain distributions, elastic non-elastic behaviour. Principal axes.
Shear and Bending. Distribution of shear stresses for bending about principal axes. (ii) Deflections of Beams. Analytical Methods. Integration.
Moment Area. (iii) Superposition and Reciprocity.
PRACTICE CLASSES
One hour per week on calculations and discussions pertinent to the lec- ture topics.
PRACTICAL WORK
Three hours per week for 12 weeks on experiments and calculations pertinent to the lecture syllabus.
BOOKS
Recommended for preliminary reading:
Gordon J E The New Science of Strong Materials, Penguin 1968 Prescribed textbook:
Students are advised to consult the lecturer.
Popov E P Introduction to Mechanics of Solids, MacDonald 1968 or
Mase G E Continuum Mechanics, McGraw-Hill 1970 and
Mallows b F & Pickering W J Stress Analysis. Problems in S 1 Units, Pergamon 1972
187
METALLURGY
Recommended for reference:
Cottrell A H The Mechanical Properties of Matter, Wiley Dieter G E Mechanical Metallurgy, McGraw-Hill
Feltham P Deformation and Strength of Materials, Butterworth Jaeger J C Elasticity, Fracture and Flow, Methuen
Johnson W & Mellог P B. Plasticity for Mechanical Engineers, Van Nos- trend 1962
McLintock F A & Argon A S Mechanical Behaviour of Materials, Addi- son-Wesley
Polakowskl N H & Ripling E J 'Strength and Structure of Engineering Materials, Prentice-Hall
EXAMINATION One 3-hour paper.
All work done in connection with practical work and practice classes will be taken into account in assessing the results of the year's work in con- junction with the results of the Annual Examination. All records made during the year should be retained for submission if required in connection with the Annuai Examination.