Composite Materials

Question 1

What are the 2 main categories composite materials fall in

Answer 1

• Mechanical properties which are related to differnet forms of strength
• Physical properties which relate to size, weight and different behaviours

Question 2

What are composite materials

Answer 2

A mixture of materials within a material tp combine their properties

Question 3

What are mechanical properties

Answer 3

• Tensile and compressive strength
• Stiffness and toughness
• Plasticity and elasticity
• Ductility and malleability

Question 4

What are physical properties

Answer 4

• Mass, weight and volume
• Density and hardness
• Electrial conductivity and resistivity
• Thermal conductivity and expanison

Question 5

What are some enhanced properties of composite materials

Answer 5

• Composites can create 3D forms that would be impossible with traditional materials
• Composites can be easier and more efficient to work with
• These enhanced properties lead to improved product performance

Question 6

GRP - Properties and examples

Answer 6

Properties - Has chemical resistance so will not corrde or decay, tough material
Examples - The hull of a boat

Question 7

CFRP - Properties and Examples

Answer 7

Lightweight, corrosion resistant, tough, hard, good compressive strength
Examples - Sports equipment such as bicycle frames and tennis raquets

Question 8

Tungstan carbide - Properties and examples

Answer 8

Properties - Hard, tough, resistant to high temperatures
Examples - Cutting tools, lathe tools

Question 9

Aluminum Composite board - Properties and examples

Answer 9

Properties - Lightweight, rigid, tough, mallable
Examples - Soundproofing pannels in cars

Question 10

Concrete - Properties and Examples

Answer 10

Properties - High compression strength, Low tensile strength
Examples - Pathways, Beams and Blocks

Question 11

Reinforced concrete - Properties and Examples

Answer 11

Properties - High compression, high tensile strength
Examples - Bridges, buildings

Question 12

Fibre cement - Properties and Examples

Answer 12

Properties - Lighter in weight than reiforced concrete, Good at low temperatures
Examples - Suspended floors, pathways

Question 13

Engineered wood - Properties and Examples

Answer 13

Properties - Good aethetics, good structured stability
Examples - Beams, Bridges, Doams