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DT > 1.2 Performance characteristics > Flashcards

1.2 Performance characteristics Flashcards

1
Q

Aluminium
Non-ferrous metal

A

lightweight, ductile, malleable, melting point of 660
used in drinks cans, aircraft bodies, bike frames

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2
Q

Copper
Non-ferrous metal

A

ductile, malleable, tough, melting point of 1083
used in electrical wire, water pipes, central heating pipes

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3
Q

Zinc
Non-ferrous metal

A

low melting point of 420, good corrosion resistance
used in galvanising steel, as a protective coating for dustbins

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4
Q

Silver
Non-ferrous metal

A

malleable, ductile, can be soldered, melting point of 962
used in jewellery, cutlery, plating other materials

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5
Q

Gold
Non-ferrous metal

A

malleable, ductile, corrosion resistant, can be soldered, melting point of 1963
used in jewellery, electronic components

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6
Q

Titanium
Non-ferrous metal

A

hard, similar strength to steels but more lightweight, melting point of 1668
used in joint replacements, tooth implants, golf clubs

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7
Q

Tin
Non-ferrous metal

A

ductile, malleable, low melting point of 232
used in soft solder, coatings for food cans, rarely used in pure forms

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8
Q

Low carbon steel
Ferrous metal

A

ductile, high tensile strength, poor resistance to corrosion, melting point of 1427
used in nuts, bolts, washers, card bodies

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9
Q

Medium carbon steel
Ferrous metal

A

harder than low carbon steel but less ductile, malleable and tough
used in springs, gardening tools

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10
Q

Cast iron
Ferrous metal

A

hard outer skin but brittle core, good under compression, melting point of 1149
used in cooking equipment, disc brakes, machine parts

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11
Q

Stainless steel
Ferrous alloys

A

tough, hard, combination of chrome and nickel
used in sinks, kitchenware, cutlery

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12
Q

High speed steel
Ferrous alloys

A

hard, tough, high level of resistance to fractional heat, combination of tungsten, chromium, vanadium, carbon
used in tool blades, drill bits, router bits

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13
Q

Die steel
Ferrous alloys

A

hard, tough, combination of tungsten, chromium, vanadium, carbon
used in blanking punches and dies, extruder dies

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14
Q

Bronze
Non-ferrous alloys

A

tough, corrosion resistant, can be cast, combination of copper and tin
used in statues, coins, bearings

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15
Q

Brass
Non-ferrous alloys

A

good electrical and thermal conductor, combination of copper and zinc
used in instruments, boat fittings, ornaments

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16
Q

Duralium
Non-ferrous alloys

A

equivalent strength properties of low carbon steel but more lightweight, combination of copper, magnesium and manganese
used in aircraft parts, vehicle parts

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17
Q

Pewter
Non-ferrous alloys

A

malleable, low melting point, combination of tin, copper and antimony
used in tankards, flasks, goblets

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18
Q

Low density polyethylene

A

very tough, waterproof, available in translucent, low level of rigidity, good chemical resistance
used in squeezy detergent bottles, toys, carrier bags

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19
Q

High density polyethylene

A

available in translucent form, waterproof, tough, good chemical resistance
used in jerry cans, bins, bowls

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20
Q

Polypropylene

A

available in translucent, good chemical resistance, tough, good fatigue resistance
used in rope, folders, food containers

21
Q

High impact polystyrene

A

hard, rigid, available in translucent, tough
used in yoghurt pots, vacuum forming toilet seats

22
Q

Acrylonitrile butadiene styrene

A

extremely tough, hard, available in opaque
used in toys, telephone handsets, computer housings

23
Q

PMMA

A

tough, hard, good chemical resistance
used in car light castings, cnc laser cut items, baths

24
Q

Nylon

A

tough, corrosion resistant, good temperature resistance, low coefficient of friction
used in bearings, gears, curtain rails

25
Q

UPVC, rigid polyvinyl chloride

A

rigid, opaque, tough, fire retardant
used in window frames, external doors, bank cards

26
Q

PVC, flexible polyvinyl chloride

A

tough, good weathering resistance
used in hose pipes, cable insulation, seat coverings

27
Q

Urea formaldehyde
TS polymer

A

hard, heat resistant, brittle
used in electrical fittings, adhesives

28
Q

Melamine formaldehyde
TS polymer

A

hard, opaque, food safe, chemical and heat resistant
used in decorative laminates, picnic ware, buttons

29
Q

Polyester resin
TS polymer

A

rigid, heat and chemical resistant, brittle
used in casting, lay-up processes for GRP, car parts

30
Q

Epoxy resin
TS polymer

A

rigid, clear, hard, chemical resistant
used in adhesives, surface coating, cardiac pacemakers, aerospace applications

31
Q

Carbon fibre reinforced plastic
Composite

A

lightweight, low thermal expansion, good compressive strength, combination of carbon fibres and polyester or epoxy resin
used in sports equipment, prosthetics

32
Q

Glass reinforced plastic
Composite

A

corrosion resistant, lightweight, low thermal expansion, good compressive strength, combination of glass fibres and polyester resin
used in boat hulls, pond liners, kayak shells

33
Q

Tungsten carbide
Composite

A

resistant to high temperatures, corrosion resistant, combination of A cermet, ceramic tungsten and cobalt metal
used in cutting tools, router bits, kitchen knives

34
Q

Aluminium composite board
Composite

A

lightweight, good thermal and sound insulation, combination of aluminium sheets with polyethylene core
used in sound proofing panels in cars and buildings, signage

35
Q

Concrete
Composite

A

high compression and tensile strength, combination of cement powder, sand, aggregate, particles, water
used in pathways, beams, blocks

36
Q

Reinforced concrete
Composite

A

high compression and tensile strength, consistency across the structure, combination of cement powder, sand, aggregate, low carbon steel rods, water
used in buildings, retaining walls, bridge spans

37
Q

Fibre cement
Composite

A

lighter in weight than reinforced concrete, good at low temperatures, combination of cement powder, sand, aggregate, polymer or steel fibres, water
used in suspended floors, complex geometric shapes

38
Q

Engineered wood
Composite

A

natural alternative to reinforced concrete, more lightweight, fire resistant, combination of timber laminates and melamine formaldehyde adhesives
used in beams, bridges, domes

39
Q

Nitinol - SMAs
Smart

A

changes in shape in response to a change in temperature of electrical input
used in dental braces, self closing windows

40
Q

Thermochromic pigment
Smart

A

changes in colour is response to temperature change
used in room thermometers, colour change mugs and kettles

41
Q

Phosphorescent pigment
Smart

A

absorbs light energy during the day and re-emits the light energy when its dark
used in fire exit signs, glow in the dark products

42
Q

Photochromic pigment
Smart

A

changes colour with light intensity
used in welding goggles, reactive glasses lenses

43
Q

Electroluminescent wire
Smart

A

thin copper wire coated in phosphorescent material which glows in response to alternating current
used in glow bracelets, home decoration, outdoor decorative lighting

44
Q

Piezoelectric material
Smart

A

gives off small electrical charge when deformed
increases in size when an electrical current passes through it
used in airbag sensors in cars, lighters for BBQs, musical greeting cards

45
Q

Kevlar
Modern

A

aramid fibres with high cut and heat resistant properties
used in body armour, cut proof gloves

46
Q

Precious metal clay
Modern

A

clay consistency material made up of fine metal particles, easily mouldable, easy to shape and form, sets hard once fired with a kiln or butane torch
used in jewellery, decorative items, small sculptures

47
Q

High density modelling foam
Modern

A

polyurethane closed cell foam blocks or sheets, lightweight, easy to work with using traditional wood working tools, sands easily
used in 3D modelling, prototypes

48
Q

Polymorph
Modern

A

granules become moulded at 60 degrees, can be heated in water or with a hair dryer, solidifies in room temperature
used in modelling, shaping ergonomic handles

DT (13 decks)

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