1.25 Complaint, Composite and Smart Materials FINISH IT Flashcards
(14 cards)
What is Carbon Fibre Reinforced Plastic?
A strong but light, expensive composite/fibre-reinforced polymer.
What is CFRP used in? Why?
Used in Motorcycles, bikes, sailboats, equipment for sports and laptops.
This is due to its high strength to weight ratio and it is fast and cheap to manufacture.
Why would you use CFRP to make the structure of a product?
Strong but light
Resistant to chemical corrosion
Excellent heat and electrical conductivity.
Doesn’t require any painting.
What is Glass Reinforced Plastic?
Plastic that has been reinforced with fine fibres made out of glass.
Strong but light
Also known as Fibreglass.
What are the advantages of GRP?
Strong and light weight
Stiffness and strength can be controlled by having multiple layers that are orientated in opposing directions.
Unlimited colour range and wide variety of surface textures
Can be made weather resistant.
Where would you use GRP and why?
Used in boats, hot tubs, pipes and storage, septic & chemical tanks.
This is due to the high strength to weight ratio and the good tensile strength allowing it to hold the liquids inside without cracking.
What is Kevlar?
Super strong plastic.
Why is Kevlar so strong?
Due to the chemical structure and that its manufactured as fibres knitted very tightly together.
What are the advantages of using Kevlar?
Great heat resistance.
Strong while staying relatively light.
Kevlar 29 and 49 have a tensile strength of over 8 times stronger than steel.
Good resistance to chemicals.
Where is Kevlar used?
Can be used as it is or in composite materials.
Used in Bullet proof vests and Stab proof armour.
Used to reinforce tyres and brakes in cars.
Bows, boats and Plane/Jet bodies.
What is Tungsten Carbide?
A compound powder made of equal parts tungsten and carbon. Base form is powder that can be pressed into shapes for tools, machinery or jewellery.
What are the advantages of using Tungsten Carbide?
Very strong compared to its hardness and rigidness.
High Impact resistance.
Great conductivity to heat and electricity
Chemical corrosion resistant.
Where would you use Tungsten Carbide? Why?
Used in drill bits and other tools to remove waste from surface such as carbon/stainless steel due to its long lasting properties.
Used for studs on snow tires, bases of hiking sticks, balls of ballpoint pens due to its resistance to wear and tear.
