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C192062

PART C
Answer any four questions, each carries 10 marks.
Explain Griffith theory of fracture.
Explain the differences between ductile and brittle fractures.
What is meant by fatigue? Describe the factors affecting fatigue.
Distinguish between transgranular and intergranular fracture.
Write notes on DBTT.

With the help of a neat sketch explain fatigue test.

Write notes on:

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Ceramic materials

Bio materials

Draw a typical creep curve and explain the various stages involved in creep.

Write a note on Metal matrix composites.
What are composites? Give the classification of composites.

Give the application of composites.

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