Types of reinforcements, their mechanical properties and functions - ceramics, glass, carbon, boron, silicon carbide, metal, aramid. Forms of reinforcements - particulate, fibre, filaments, whiskers, flakes. Pre-fabricated forms - preforms, prepegs, fabrics, honeycomb.
Type of matrix, its mechanical properties and functions - polymers (thermosets and thermoplastics), metals, ceramics, glass and carbon. Basic principles in the design of composites and selection of matrix and reinforcement. Bonding mechanisms.
Anisotropic Behaviour and relationship between structure-mechanical properties.
Mechanical testing - tensile, compressive, Intra-laminar shear, Inter-laminar shear and fracture.
Polymer Matrix Composites: Types of thermoset and thermoplastic resins. Principles in the selection of matrix and the reinforcements. Process selection criteria. Mould and tool making. Basic manufacturing steps - impregnation, lay-up, consolidation and solidification.
Manufacturing processes for polymer composites - lay-up, compression moulding,
extrusion, injection moulding, sheet forming, pultrusion, hot press & autoclave
techniques and filament winding. Applications - industrial, automotive and aerospace.
Metal and ceramic matrix composites - wettability of reinforcement to matrix and
bonding, methods of manufacturing reinforcements with intermediate wetting layer.
Manufacturing processes for metal matrix composites: casting methods - gravity &
low pressure die, investment, squeeze, spray forming, compression moulding and
thixo-moulding. Manufacturing processes for ceramic matrix composites: reaction
sintering, electro-deposition, spray forming, infiltration. Applications - industrial,
automotive and aerospace.