Airframe - Material Properties

Question 1

What are 3 key characteristics of the following material

Aluminium Alloy

Answer 1

1. Widely used
2. Thermal and Electrical conductivity
3. Corrosion Resistance

1. Widely used
2. High thermal and electrical conductivity
3. Good resistance to corrosion

Question 2

What are 3 key characteristics of the following material

Magnesium Alloy

Answer 2

1. Cracking (Vibrations)
2. Corrosion
3. Reacts with water

1. Subject to cracking due to vibrations
2. Susceptible to corrosion
3. Reacts violently with water

Question 3

What are 2 key characteristics of the following material

Steel

Answer 3

1. Strong
2. Fatigue resistance

1. Used where strength required
2. Good at resisting fatigue
3. Available in alloys

Question 4

What are 3 key characteristics of the following material

Titanium

Answer 4

1. Light weight
2. Strong
3. Corrosion and temperature resistant

1. Light weight
2. Very strong
3. Corrosion and temperature resistant
4. Expensive

Question 5

What are 2 key characteristics of the following material

Monel Metal

Answer 5

1. Corrosion Resistance
2. Piston Engine Exhaust

1. Copper/Nickel Alloy
2. High resistance to corrosion
3. Used in piston engine exhaust

Question 6

What is 1 key characteristics of the following material

Wood

Answer 6

1. Limited to old aircraft

Question 7

What are 3 key characteristics of the following material

Composites

Answer 7

1. Carbon Fibre, plastic resins
2. Combines best properties of different materials
3. Lighter than aluminium