TE COMPOSITE MATERIALS

UNIT I

1. Discuss the need for composite materials. What are the applications of composite materials in automotive?

2. State the different types of fibers. List the advantages and limitations of natural fiber.

3. What do you mean by hybrid composite and list out the advantages of hybrid composite materials?

4. Define composite material. Explain the roles of matrix and reinforcement in composites.

5. State the properties of carbon fiber composites and list the advantages.

6. Classify the composites on a reinforcement based and explain the particle-reinforced composites.

7. What is a Composite Material? Give any two examples of Naturally found Composites Also state its one distinct advantage over metals.

8. What are Hybrid materials and how does it differ from Composite materials and statet The areas of its application

9. State the different types of fibers. List the advantages and limitations of natural fiber.

10. Why is Carbon fiber preferred over steel in manufacturing industries? List any three products made by carbon fiber composites

11. Other than the fiber and the matrix, state any three factors that influence the mechanical performance of a composite?

12. Compare any three characteristics that differentiate fiber reinforced composites from particle reinforced composites.

13. Identify and explain the fiber factors that contribute to the mechanical performance of a composite.

14. Define a hybrid material and compare it with a composite material.

15. Explain the need of composite materials with suitable examples.

16. What is carbon fiber composites? Write its properties, advantages.

17. List the various forms in which reinforcement is available and explain why fibre reinforcements are of a thin diameter.

18. Illustrate the factors other than the fiber and the matrix that influence the mechanical performance of a composite

UNIT II

1. Differentiate between thermoplastic and thermoset resin.

2. How the composites are manufactured using the hand layup method. Briefly explain

with processing steps.

3. Discuss the Glass Fiber Reinforced Polymeric (GFRP) Composites and their

applications.

4. What is polymer resin? Discuss the natural resin and synthetic resin.

5. Explain compression moulding technique with a neat sketch.

6. Explain the various failures that occurred in laminated composites with a neat sketch.

7. What is thermoplastic resin? Give two examples of thermoplastic resin and state any

two properties

8. What is Hand layup process? Draw a neat sketch of Hand layup process

9. What is the use of pultrusion process? Draw a neat sketch of pultrusion process.

10. How are woven fabric formed? How is the type of weave in a woven fabric defined?

What are the various forms of woven fabric?

11. What is meant by wet winding associated with Filament winding? Draw a neat sketch

of the Filament winding process.

12. When do we use Spray-up process? Draw a neat sketch of Spray-up process

13. Describe glass fiber and detail different types of grades available in it.

14. Give a description of epoxy and justify its use as the most common type of

matrix material.

15. Explain the filament winding technique for polymer matrix composite processing.

16. Discuss the injection molding method for polymer matrix composite

processing.

17. Enlist typical applications of polymer matrix composites.