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Functional Materials - Composites and Polymers

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Functional Materials - Composites and Polymers

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Questions and Answers

What is the primary function of the reinforcement in a composite material?

To increase the strength and stiffness of the matrix (correct)

To reduce the cost of the material

To change the color of the material

To reduce the weight of the material

What type of composite material is used in aeronautical applications such as aircrafts and rockets?

Ceramic-matrix composite

Polymer Matrix composite

Metal matrix composite

Any of the above (correct)

What is an example of a synthetic composite material?

Mud Bricks

Fibre glass

Reinforced Concrete

All of the above (correct)

In which industry are composite materials commonly used to make components such as propellants and shafts?

Marine Signup and view all the answers

What is the function of the matrix in a composite material?

To bind the dispersed filament and transmit the load Signup and view all the answers

What type of fiber is commonly used in composite materials?

All of the above Signup and view all the answers

What is the advantage of Aramid fibre reinforced composites in applications such as automobile clutches and brakes?

High wear resistance Signup and view all the answers

What is the characteristic of long fibre reinforced composites?

They are ductile and capable of absorbing energy Signup and view all the answers

What is the application of Aramid-Fibre reinforced polymer composites?

Protective clothing and body armour Signup and view all the answers

What is the characteristic of Al2O3 and/or Carbon reinforced metal composites?

Low density and high strength Signup and view all the answers

What is the advantage of using composites containing Aramid fibres over composites containing asbestos?

Aramid fibres are more effective in reinforcement Signup and view all the answers

What is the application of Short Aramid fibre reinforced composites?

Automobile clutches and brakes Signup and view all the answers

What is a characteristic of a composite material?

The components maintain their identity within the composite Signup and view all the answers

What type of composite material is likely to be used in the aerospace industry?

Advanced functional ceramics Signup and view all the answers

Which type of polymer is known for its conducting properties?

Polyacetylene Signup and view all the answers

What is an application of advanced functional materials in the automotive industry?

Manufacturing of lightweight and durable car parts Signup and view all the answers

What is a top-down approach in the synthesis of nano materials?

Breaking down bulk materials into smaller particles Signup and view all the answers

What is a characteristic of nano materials compared to bulk materials?

They have different physical and chemical properties Signup and view all the answers