Aluminum in Aircraft Manufacturing Quiz

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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?

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?

Increased mechanical properties

Corrosion (correct)

Improved fatigue resistance

Enhanced ductility

How are aluminum alloys classified?

Casting alloys, wrought non-heat-treatable alloys, or wrought heat-treatable alloys Signup and view all the answers

What happens to age-hardenable aluminum alloys during welding?

Cannot be easily welded Signup and view all the answers

Explain the disadvantages of using aluminum alloys in aircraft structures at elevated temperatures.

Low mechanical properties at elevated temperature and susceptibility to stress corrosion cracking. Signup and view all the answers

What are the drawbacks of aluminum alloys when in contact with carbon-fiber composites?

Corrosion when in contact with carbon-fiber composites. Signup and view all the answers

What are the characteristics of aluminum alloys that make them suitable for aircraft structures?

High specific stiffness and specific strength, ductility, fracture toughness, and fatigue resistance. Signup and view all the answers

How are aluminum alloys classified?

Aluminum alloys are classified as casting alloys, wrought non-heat-treatable alloys, or wrought heat-treatable alloys. Signup and view all the answers

What types of aluminum alloy are used in their as-cast condition without any mechanical or heat treatment?

Casting alloys. Signup and view all the answers

Aluminum in Aircraft Manufacturing Quiz

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Questions and Answers

What is a disadvantage of using aluminium alloys in aircraft structures?

What is a characteristic of aluminum alloys that makes them suitable for aircraft structures?

What is a disadvantage of using aluminum alloys when in contact with carbon-fiber composites?

How are aluminum alloys classified?

What happens to age-hardenable aluminum alloys during welding?

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 characteristics of aluminum alloys that make them suitable for aircraft structures?

How are aluminum alloys classified?

What types of aluminum alloy are used in their as-cast condition without any mechanical or heat treatment?

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