Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Engineering > Metals > Flashcards

Metals Flashcards

1
Q

What are metals made from?

A

An ore

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

How can metal be converted into usable form

A

has to be mined, refined and processed

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What is an alloy?

A

A mixture of two or more metals to improve their properties

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What are the two main types of metals?

A
  1. Ferrous Metals
  2. Non-ferrous metals
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What are ferrous metals?

A

Metals containing iron

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What are non-ferrous metals?

A

Metals that do not contain iron

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Can both types of metals be recycled?

A

Yes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Ferrous Metals

How is carbon steel made?

A

Pure iron is generally too soft

adding carbon makes this material

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Ferrous Metals

What does the amount of steel determine on pure iron?

A

Effect on the material’s properties

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Ferrous Metals

Disadvantage of carbon steel

A
  • Poor corrosion resistance - rust easily
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Ferrous Metals

How to reduce corrosion resistance with carbon steel?

A

Coating with other metals e.g zinc

or

painted

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Ferrous Metals

Properties of low-carbon steel

A
  1. Weakest steels
  2. Stronger than non-ferrous metals
  3. Easy to machine
  4. Tough and cheap
  5. Cannot be hardened or tempered
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Ferrous Metals

Examples of using low-carbon steel

A
  • Car bodies
  • Panels for fridge
  • Steel sheet
  • Screws nails
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Ferrous Metals

Properties of medium carbon steel

A
  • Tough, strong and hard
  • Fairly cheap
  • More difficult to form than low carbon steel
  • Cannot be hardened
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Ferrous Metals

Where is medium carbon steel used fo?

A
  • Gears
  • railway wheels
  • high strength tubing
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Ferrous Metals

Properties of high carbon steel

A
  • Strong and harder than medium carbon steel
  • Not Tough
  • Difficult to form but quite cheap
  • Can be hardened and tempered
17
Q

Ferrous Metals

Where is high carbon steel used?

A
  • Ball bearings
  • knives
  • saws
  • chisels
  • hammer
18
Q

Ferrous Metals

Properties of cast iron

A
  • Good compressive strength
  • Hard but can be brittle
  • Melts easily
  • Good for casting
  • Cheap
  • Poor corrosion resistance - rusts easily
19
Q

Ferrous Metals

Where is cast iron used?

A
  • Engine blocks
  • Engineering vices
  • Anvils
20
Q

Ferrous Metals

Properties of stainless steel

A
  • Hard and can be difficult to machine
  • Quite expensive
  • Good corrosion resistance
21
Q

Ferrous Metals

Where is stainless steel used?

A
  • Sinks
  • kettles
  • medical equipment
  • knives
  • forks
22
Q

What are the most common

non-ferrous metals?

A
  • Aluminium
  • Titanium
  • Zinc
  • Pure copper
  • Bronze and bass
23
Q

Non-ferrous metals

Advantages of aluminium

A
  • Good corrosion resistance
  • Lower density than steel - same size , less weight
24
Q

Non-ferrous metals

Disadvantages of aluminium

A
  • Expensive than steel
  • Not as strong
  • often alloyed to improve its uses
25
Q

Non-ferrous metals

What is aluminium used and its alloys?

A
  • Aircraft structures
  • cans for soft drinks
26
Q

Non-ferrous metals

Advantages of titanium

A
  • Stronger than aluminium
  • Excellent corrosion resistance
  • Lower density than steel
27
Q

Non-ferrous metals

Disadvantages of using titanium and its alloys

A

Used for high performance aircraft structures

28
Q

Non-ferrous metals

Advantages of pure copper

A
  • Good conductor of electricity
  • Flexible
29
Q

Non-ferrous metals

Disadvantage of using pure copper

A

It lacks strength

30
Q

How is pure copper made strong?

A

By adding copper oxide

31
Q

Non-ferrous metals

What is pure copper used for?

A

Wires and pipework for domestic use

32
Q

What is bronze?

A

An alloy of copper and tin

frequently used for casting

33
Q

What is brass?

A

Alloy of copper and zinc

which is difficult to cast but machined to a good finish

34
Q

What is the uses of brass and bronze?

A
  • High-pressure valve bodies
  • Statues
  • doorknobs
  • electrical parts

Engineering (26 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions