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A Level DT > Metals > Flashcards

Metals Flashcards

1
Q

What two groups can metals be grouped into?

A

Ferrous and non-ferrous

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2
Q

What are ferrous metals?

A

metals or alloys that contain iron

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3
Q

What are non-ferrous metals?

A

metals or alloys that do not contain iron

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4
Q

Properties of ferrous metals?

A

most are magnetic and prone to corrosion (rust)

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5
Q

Name 3 ferrous metals?

A

-Cast iron
-Low carbon steel
-High carbon steel

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6
Q

Properties of cast iron?

A

-Strong when compressd
-brittle
-cheap

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7
Q

Uses of cast iron?

A

bench vices, car brake discs, manhole covers

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8
Q

Properties of low carbon steel?

A

-Good tensile strength
-Tough
-Malleable

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9
Q

Uses of Low carbon steel?

A

car bodies, screws, nuts, bolts, nails

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10
Q

Properties of High carbon steel?

A

harder than low carbon steel, can be hardened, less malleable

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11
Q

Uses of High carbon steel?

A

tools, e.g. chisels, files, saws, drills

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12
Q

Properties of non-ferrous metals?

A

corrosion resistant, more malleable and majority are not magnetic

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13
Q

Properties of Aluminium?

A

lightweight, corrosion resistant, good thermal and electrical conductor, soft, malleable

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14
Q

Uses of aluminium?

A

aircraft bodies, cans and high-end car chassis

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15
Q

Properties of Copper?

A

soft, malleable, ductile,, good electrical conductor

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16
Q

Uses of Copper?

A

electrical wiring and pipes

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17
Q

Properties of Zinc?

A

-high level of corrosion resistance
-easily worked
-low melting point

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18
Q

Uses of Zinc?

A

coating steel (e.g. on nails, buckets and watering cans)

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19
Q

Properties of Tin?

A

-malleable
-ductile
-low melting point
-corrosion resistant

20
Q

Uses of Tin

A

-Coating on food and drinks cans
-Solder

21
Q

Properties of silver?

A

Malleable
Ductile
Corrosion resistant
Can be soldered

22
Q

Uses of silver?

A

Plating other materials
Jewellery
Cutlery

23
Q

Properties of gold?

A

Malleable
Ductile
Corrosion resistant
Can be soldered
Conductor

24
Q

Uses of gold?

A

Jewellery
Electronic components

25
Q

Properties of titanium?

A

Hard
Very strong
Lightweight
High resistance to corrosion
Very high melting point

26
Q

Uses of titanium?

A

Joint replacements
Spectacle frames
Aircraft
Spacecraft
Ship hulls
Bicycles

27
Q

Name 3 ferrous alloys

A

Stainless steel
High speed steel
Die steel (tool steel)

28
Q

Name 4 non-ferrous alloys

A

Bronze
Brass
Duralumin
Pewter

29
Q

Properties of stainless steel?

A

Tough
Hard
Corrosion resistant

30
Q

Uses of stainless steel?

A

Sinks
Kitchenware
Cutlery

31
Q

Properties of high speed steel?

A

Hard
Tough
High resistance to frictional heat
Contains tungsten

32
Q

Uses of high speed steel?

A

Tool blades
Drill bits
Router bits

33
Q

Properties of die steel?

A

Hard
Tough

34
Q

Uses of die steel?

A

Extruded dies
Fine press tools

35
Q

Properties of bronze?

A

Tough
Corrrosion resistant
Can be cast

36
Q

Uses of bronze?

A

Statues
Coins

37
Q

Properties of brass?

A

Corrosion resistant
Good conductor
Low melting point
Casts well

38
Q

Uses of brass?

A

Door furniture
Cast valves
Taps
Ornaments

39
Q

Properties of duralumin?

A

High tensile strength
Lightweight
Ductile
Becomes harder when worked

40
Q

Uses of duralumin?

A

Aircraft/vehicle parts

41
Q

Properties of pewter?

A

Malleable
Low melting point
Casts well

42
Q

Uses of pewter?

A

Decorative items
Candle sticks
Trophies

43
Q

What are some stock forms of metals?

A

Sheets
Plates
Bars
Tubes

44
Q

Explain cellulose and acrylic paints

A

Provide colour and a textured finish, while also providing a barrier against corrosion. Paints are primarily used on low cost material such as steel.

45
Q

Explain electroplating

A

Uses a metal to coat a base metal, to provide a protective layer and to give a greater aesthetic appeal. Commonly used metals include silver, gold, zinc, copper and tin

A Level DT (16 decks)

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