MSE Materials Science Courses
1. The MSE and CHE courses
below are administered by the Faculty of Applied Science and Engineering,
and are subject to the rules and regulations of that Faculty, including
those for term dates and examination periods.
An introductory course in applied science examining the fundamentals of atomic structure, quantum physics, the nature and bonding in materials, chemical and phase equilibria in the gaseous, liquid and solid state reactive kinetics. The course examines the application of these basic principles in exploring the mechanical, electrical and optical properties of materials through the establishment of structure-property relationships.
The theoretical and experimental interpretation of the structure of various inorganic materials. Crystalline and amorphous materials in terms of electronic structure of atoms, atomic bonding, atomic coordination and packing. An introduction to defects in crystals. Experimental techniques include: optical and electron microscopy, x-ray diffraction, Auger electron spectroscopy, x-ray photoelectron spectroscopy and secondary-ion mass spectrometry.
Introduction to existing and future challenges in the field of materials engineering. The course is given by a number of staff members who use several examples to illustrate materials challenges in the production, performance, manufacturing and design of all classes of materials including metals, ceramics, polymers and composites.
Thermodynamics of material-electrolyte systems, Nernst equation and Pourbaix diagrams, and rate theory through activation and concentration polarization. Corrosion of metallic, polymeric, ceramic, composite, electronic and bio-materials, and mechano-chemical effects of stress corrosion, hydrogen embrittlement and corrosion fatigue. Corrosion prevention in design and the use of expert systems in materials selection.
The mechanical behaviour of engineering materials including metals, alloys, ceramics and polymeric materials. Macro- and micro-structural response of materials to external loads; load-displacement and stress-strain relationships, processes and mechanisms of elastic, visco-elastic, plastic and creep deformation, crystallographic aspects of plastic flow, effect of defects on mechanical behaviour, strain hardening theory, strengthening mechanisms and mechanical testing.
Production of amorphous materials: amorphous metals and silicate-based glasses, techniques for growth of single crystals. Metallic and ceramic powder processing and other forming methods, sintering. Grain growth and microstructural development. Vapour deposition processes.
Thermodynamics and phase stability. Phase transformations in unary systems: primary crystallization, crystallization of amorphous materials, recrystallization. Phase transformations in binary systems: solidification, precipitation from solid solution, binary invariant reactions. Diffusional transformations, nucleation and growth, diffusionless or martensitic transformations. Second order transformations. Spinodal, massive and order-disorder transformations.
Nature of brittle and ductile fracture, macro-phenomena and micro-mechanisms of failure in various material types, 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. Fatigue analysis and fundamentals of non-destructive testing.
Introduction to polymer synthesis, structure, characterization and mechanical properties. Topics include addition and condensation polymerization, network polymerization and crosslinking, molecular mass distribution and characterization, crystalline and amorphous structure, glass transition and crystalline melting, forming and additives for commercial plastics, dependence of mechanical properties on structure, viscoelasticity, yielding and fracture.
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. Case studies to illustrate a novel approach employing materials selection charts which capture the important properties of all engineering materials, allowing rapid computer retrieval of information.
Materials for surgical implants. Influence of mechanical, chemical and physical properties of metals, ceramics and polymers as well as interactions at the implant-tissue interface. Materials for use in orthopaedic, dental and cardiovascular applications.
Material parameters and electronic properties of semiconductors. The material parameters are discussed in terms of the preparation and processing methods and the required electronic properties of engineering devices. Some techniques for evaluating electronic properties are discussed.
An experimental research topic in materials science and engineering involving original work normally related closely to the current research of a departmental staff member. The final grade is based on two oral presentations, a progress report on the Fall Term work, a poster presentation and a written dissertation.
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