Download JNTUA M.Tech 1st Sem 2018 Aug-Sept 9D15105 Materials Technology Question Paper

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Code: 9D15105

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M.Tech I Semester Supplementary Examinations August/September 2018

MATERIALS TECHNOLOGY

(Machine Design)

(For students admitted in 2013, 2014, 2015 & 2016 only)

Time: 3 hours

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Max. Marks: 60

Answer any FIVE questions

All questions carry equal marks

1. Derive the equation for grain boundary strengthening.
2. Explain in detail about the deformation of non crystalline materials.

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3. With neat sketch explain the measurement of fatigue and creep properties of the material.
4. 1. Explain the properties and application of HSLA steel.
   2. Briefly explain the chemical composition, properties and applications of maraging steel.
5. What is smart material? List the factors that control the smart materials. Discuss in detail about the characteristics and application on smart materials.

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6. 1. Briefly explain the structure, properties and application of ABS and PMMA.
   2. List the various foams used for engineering application and state its properties.
7. Discuss in detail about the properties, processing of WC and Al₂O₃.
8. Explain in detail about the properties, processing of Aramid and Boron fiber used in composite fabrication.

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