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Product Design

Composite Materials

QuestionAnswer
What is a composite material? A composite material is a combination of two or more materials to improve and change physical properties.
Name examples if Composites. GRP (Fibreglass), Carbon Fibre, CFRP, Tungsten Carbide, Aluminium composite board and Concrete.
State the component materials in CFRP (Carbon Fibre Reinforced Polymer). Carbon fibres mixed with polyester resin.
What are the properties of CFRP? Lightweight, corrosion resistant, tough, hard, low thermal expansion, good compressive strength.
What are the uses of CFRP? Sports equipment = bicycle frames, racing car bodies, helmets
State the component materials in GRP (Glass Fibre Reinforced Polymer). Class fibres mixed with polyester resin.
What are the properties of GRP? Lightweight, corrosion resistant, tough, hard, low thermal expansion, good compressive strength.
What are the uses of GRP? Kayak shells, sports car bodies and locomotive train cabs.
State the component materials in Tungsten Carbide. A cermet (mixture of ceramic and metal particles). Ceramic tungsten and cobalt metal.
What are the properties of Tungsten Carbide? Hard, tough, resistant to high temperatures, corrosion resistant.
What are the users of Tungsten Carbide? drill bits, kitchen knives and router bits.
State the component materials in Aluminium composite board. Aluminium sheets with a polyethylene core.
What are the properties of Aluminium composite board? Lightweight, rigid, tough, malleable, good thermal and sound insulation, good vibration damping.
What are the uses of Aluminium composite board? Sound proofing panels in cars, boats and signage.
State the component materials in Concrete. Cement powder, sand, aggregate particles mixed with water.
What are the properties of Concrete? High compression strength, low tensile strength, few surface defects, easy to mould.
What are the uses of Concrete? house foundations, driveways and blocks.
What does Reinforced concrete has in it that Concrete does not, making it more suitable to make buildings out of? low carbon steel rods (rebar).
State the component materials of Reinforced Concrete? Cement powder, sand, and rebar mixed with water.
What are the properties of Reinforced Concrete? High compression and tensile strength, consistency across structure, few surface defects, fire resistant.
What are the uses of Reinforced Concrete? Buildings, grid floors and bridge piles.
State the component materials of Fibre Cement. Cement powder, sand, aggregate particles and polymer or steel fibres mixed with water.
What are the properties of Fibre Cement? Lighter in weight than reinforced concrete, hard, tough, good at low temperatures and in freeze/thaw situations.
What are the uses of Fibre Cement? Suspended floors, complex geometric shapes and pathways.
State the component materials of Engineered Wood. Timber laminates and MF adhesive.
What are the properties of Engineered Wood? Good aesthetics, natural alternative to reinforced concretes, more lightweight than concrete alternatives, fire resistant, good structural stability, corrosion proof.
What are the uses of Engineered Wood? arches, rafters and bridges.
Created by: supercars