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Questions and Answers
What is a disadvantage of using aluminium alloys in aircraft structures?
What is a disadvantage of using aluminium alloys in aircraft structures?
- Low mechanical properties at elevated temperature (correct)
- High susceptibility to electromagnetic interference
- High cost of production
- High resistance to stress corrosion cracking
What is a characteristic of aluminum alloys that makes them suitable for aircraft structures?
What is a characteristic of aluminum alloys that makes them suitable for aircraft structures?
- High specific stiffness and specific strength (correct)
- Low ductility and fracture toughness
- Low fatigue resistance
- Low density of 7 g cm−3
What is a disadvantage of using aluminum alloys when in contact with carbon-fiber composites?
What is a disadvantage of using aluminum alloys when in contact with carbon-fiber composites?
- Increased mechanical properties
- Corrosion (correct)
- Improved fatigue resistance
- Enhanced ductility
How are aluminum alloys classified?
How are aluminum alloys classified?
What happens to age-hardenable aluminum alloys during welding?
What happens to age-hardenable aluminum alloys during welding?
Explain the disadvantages of using aluminum alloys in aircraft structures at elevated temperatures.
Explain the disadvantages of using aluminum alloys in aircraft structures at elevated temperatures.
What are the drawbacks of aluminum alloys when in contact with carbon-fiber composites?
What are the drawbacks of aluminum alloys when in contact with carbon-fiber composites?
What are the characteristics of aluminum alloys that make them suitable for aircraft structures?
What are the characteristics of aluminum alloys that make them suitable for aircraft structures?
How are aluminum alloys classified?
How are aluminum alloys classified?
What types of aluminum alloy are used in their as-cast condition without any mechanical or heat treatment?
What types of aluminum alloy are used in their as-cast condition without any mechanical or heat treatment?
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