Materials and Properties

Question 1

What are the 3 types of metals

Answer 1

Ferrous, non ferrous and alloy

Question 2

What are the types of timber

Answer 2

Hardwoods, softwoods and manufactured board

Question 3

What are the type of polymers

Answer 3

Thermoplastic, thermosetting plastic and elastomers

Question 4

Examples of ferrous metals

Answer 4

Low carbon steel, medium carbon steel, cast iron

Question 5

Example of non ferrous

Answer 5

Aluminium, copper, zinc, silver, gold, titanium, tin

Question 6

Examples of ferrous alloy

Answer 6

Stainless steel, die steel

Question 7

Example of non ferrous alloy

Answer 7

Bronze, brass, duralumin, pewter

Question 8

Examples of hardwood

Answer 8

Oak, ash, mahogany, teak, birch, beech

Question 9

Examples of softwood

Answer 9

Pine, spruce, douglas fir, redwood, cedar, larch

Question 10

Examples of manufactured board

Answer 10

Plywood, marine plywood, aeroply, flexible plywood, chip board, MDF

Question 11

Example of thermoplastics

Answer 11

Low density polyethylene(LDPE), High density polyethylene(HDPE), polypropylene(PP), High impact polystyrene (HIPS), acrylonitrile butadiene styrene (ABS), Polymethyl methacrylate (PMMA), polyethylene terephthalate(PET), nylon, rigid and flexible polyvinyl chloride(PVC)

Question 12

Examples of thermosetting plastics

Answer 12

Urea formaldehyde(UF), melaine formadehyde(MF), polyester resin, epoxy resin

Question 13

Examples of elastomers

Answer 13

Natural rubber, polybutadirne, neoprene, silicone

Question 14

Examples of paper and boards

Answer 14

Layout paper, carttidge paper, watervolour paper, tracking paper, bleed proof paper, treated paper, corrugated card, bleached card mount board, duplex card, foil backed and laminated card, metal effect card, moulded paper pulp

Question 15

Examples of composites

Answer 15

Carbon fibre reinforced plastic(CFRP), glass fibre reinforced plastic(GRP), tungste carbide, aluminium compositr board, concrete, fibre cement, engineered wood

Question 16

Example of smart materials

Answer 16

Shape memory alloy(SMA), thermochromatic pigment, thermochromatic film, phosphorescent pigment, photochromic pigment, electroluminescent wire, piezo electric material

Question 17

Example of moder materials

Answer 17

Kevlar, precious metal clay(PMC), high density modelling foam, polymorph

Question 18

What is a ferrous metal

Answer 18

A metal containing mostly iron and carbon.

They are magnetic and will rust

Question 19

What is a non ferrous metal

Answer 19

A metal that doesn’t contain iron

Noy magnetic and doesnt rust

Question 20

What is an alloy

Answer 20

It is a mixture if two or more metals or combining two or more elemts providing thta one is a metal

Question 21

What is a hardwood

Answer 21

Wood from a broad leafed (deciduous) tree, these trees are generally slow growing

Question 22

What is a softwood

Answer 22

Wood from a coniferous (cone baring) tree. These trees tend to grow fast and are evergreen

Question 23

What is a manufactured board

Answer 23

A man made wood based composite material.

Question 24

What is a thermoplastic

Answer 24

A material which can be repeatedly reheated and reshaped, allowing it to be recycled after its initial use

Question 25

What is thermosetting plastic

Answer 25

A material when heated gows under a chemical change where the molecules form rigid cross links, thus means it cannot be reheated and reshaped.

Question 26

What is an elastomer

Answer 26

A material when at room temperature can be deformed under oressure and upon release of oressure will return to its original shape.

Question 27

What are paper and boards

Answer 27

They are complient materials, meaning they can be scored, folded and cut to form nets for packaging

Question 28

What is a composite

Answer 28

A material comprised of two different materials to enhance its propeties

Question 29

What is a smart material

Answer 29

A material whose physical propeties change in response to an input or output change in the environment such as electricity, pressure, temperature or light

Question 30

What is a modrrn material

Answer 30

A material developed through the invention of new or improved processes