Metals Flashcards
1
Q
What is a crystal?
A
Rigid body in which the constituent parts are arranged in a repeating pattern
2
Q
What are the three main types of materials used on aircraft?
A
Aluminium and Aluminium alloys
Titanium sand titanium alloys
3
Q
What is the bad material for steel?
A
Iron
4
Q
What percentage of carbon does low carbon still contain?
A
0.1 - 0.3%
5
Q
What percentage of carbon does medium carbon still contain?
A
0.3 - 0.5%
6
Q
What percentage of carbon does high carbon steel contain?
A
0.5 - 1.05%
7
Q
What does sulphur do when added as an alloy?
A
Decreases ductility
8
Q
What does nickel do when added as an alloy?
A
Hardenablitiy and impact strength
9
Q
What does titanium do when added as an alloy?
A
Increases toughness
10
Q
What does Vanadium when added as an alloy?
A
Increases tensile strength
