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METALS Flashcards

(48 cards)

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1
Q

What are the non-ferrous metals?

A

Aluminium
Copper
Zinc
Silver
Gold
Titanium
Tin

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2
Q

What are the ferrous metals?

A

Low carbon steel
Medium carbon steel
Cast iron

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3
Q

What are the ferrous alloys?

A

Stainless steel
High speed steel (HSS)
Die steel (tool steel)

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4
Q

What are the non-ferrous alloys?

A

Bronze
Brass
Duralumin
Pewter

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5
Q

Describe aluminium

A

lightweight, ductile, malleable, corrosion resistant, electrical and thermal conductor, can be metal inert gas (MIG) and tungsten inert gas (TIG) heat welded

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6
Q

Uses of aluminium?

A

drinks cans
aircraft bodies
bike frames
window frames
packaging
baking foil

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7
Q

Describe copper

A

ductile, malleable, tough, corrosion resistant, good electrical and thermal conductor, can be soldered and brazed

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8
Q

Uses of copper?

A

electrical wire
printed electrical circuits
water pipes
hot water tanks
central heating pipes

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9
Q

Describe zinc

A

low melting point, good corrosion resistance

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10
Q

Uses of zinc?

A

galvanizing steel as protective coating for dustbins, buckets, farm gates
intricate die castings

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11
Q

Describe silver

A

malleable, ductile corrosion resistant, can be soldered

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12
Q

Uses of silver?

A

jewellery
cutlery
used for plating other materials

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13
Q

Describe gold

A

malleable, ductile, corrosion resistant, can be soldered

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14
Q

Uses of gold?

A

jewellery
electronic components
connectors
switch components

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15
Q

Describe titanium

A

hard, similar strength to steels but more lightweight, high resistance to corrosion

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16
Q

Uses of titanium?

A

joint replacements
tooth implants
spectacle frames
aircraft
spacecraft
golf clubs
bicycles
ship hulls

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17
Q

Describe tin

A

ductile, malleable, low melting point, corrosion resistant

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18
Q

Uses of tin?

A

soft solder
coatings for food cans
rarely used in pure form

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19
Q

Describe low carbon steel

A

ductile, high tensile strength, tough, malleable, poor resistance to corrosion

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20
Q

What percent of low carbon steel is carbon?

21
Q

Uses of low carbon steel?

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A

nuts
bolts
washers
screws
car bodies

22
Q

Describe medium carbon steel

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A

harder than low carbon steel but less ductile, malleable, tough

23
Q

What percent of medium carbon steel is carbon?

24
Q

Uses of medium carbon steel?

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A

springs
gardening tools such as trowels and forks

25
Describe cast iron
Hard outer skin but brittle core, good under compression
26
What percent of cast iron is carbon?
3.5%
27
Uses of cast iron?
disc brakes machine parts engine blocks sheet furniture
28
Describe stainless steel
tough, hard, corrosion resistant
29
Uses of stainless steel?
sinks kitchenware cutlery
30
What elements are in stainless steel and what percent of the material do they make up?
18% chrome 8% nickel
31
Describe high speed steel
hard, tough, high level of resistance to frictional heat
32
Uses of high speed steel?
tools blades drill bits milling cutters router bits
33
What elements are in high speed steel and what percent of the material do they make up?
18% tungsten 4% chromium 1% vanadium 0.5-0.8% carbon
34
Describe die steel
hard, tough
35
Uses of die steel?
blanking punches and dies extruder dies fine press tools
36
Describe bronze
tough, corrosion resistant, can be cast
37
Uses of bronze?
statues coins bearings
38
What elements are in bronze and what percent of the material do they make up?
90% copper 10% tin
39
Describe brass
corrosion resistant, good electrical and thermal conductor, low melting point, casts well
40
Uses of brass?
boat fittings door furniture cast valves and taps ornaments
41
What elements are in brass and what percent of the material do they make up?
65% copper 35% zinc
42
Describe duralumin
equivalent strength properties to low carbon steel but more lightweight, ductile, becomes harder as it is worked
43
Uses of duralumin?
aircraft parts vehicle parts
44
What elements are in duralumin and what percent of the material do they make up?
4% copper 1% magnesium and manganese
45
Describe pewter
malleable, low melting point, casts well
46
Uses of pewter?
flasks goblets photo frames decorative items candlesticks sports trophies
47
What elements are in pewter and what percent of the material do they make up?
85-99% tin remainder of material consisting of copper and antimony
48
What are the stock forms of metals?
sheet plate bar tube structural - angular shapes such as H beams, L beams, I beams, tee bar and channel

DT (29 decks)

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