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MATERIALS - Coggle Diagram
MATERIALS
COMPOSITES
Components
Fibres
Aramid fibre
Metallic fibre
Carbon fibre
Natural fibre
Glass fibre
Matrix
Metal matrix composites (MMC)
Ceramics matrix composites (CMC)
Polymer matrix composites (PMC)
Characteristics
Strong, light, durable
Made from two or more materials
Fibre + matrix = composite material
METALS
Types
Ferrous (contain iron)
Non-ferrous (do not contain iron)
Characteristics
Tough, heavy, shiny
Metallic Bonding
High electrical and thermal conductivity
Medium to high melting points
CERAMICS
Characteristics
Brittle, hard, heavy
Covalent and ionic bonding
Resist electrical and thermal conductivity
High melting points
Types
Traditional ceramics
Clay products
White wares
Silica and silicates
Advanced ceramics
Alumina
Zirconia
Silicon carbide, silicon nitride
POLYMERS
Types
Plastics
Thermoplastics
Can be reformed by heat
Thermoset plastics
Once formed can't be reformed
Elastomeres
Elastic in nature
Characteristics
Brittle or hard or elastic
Covalent bonding
Resist electric conductivity
Low melting points
SMART MATERIALS
What is it?
Material that reacts to external stimuli
Examples
Shape memory polymers and alloys
Smart link silicone
Self regulating light bulbs
Piezoelectric materials
Metal springs
WOOD
Types
Softwood
Manufactured board
Hardwood
FABRICS
Types
Natural
Synthetic