GTU BE/B.Tech 2019 Winter Question Papers || Gujarat Technological University
Subject Code: 2152109
GUJARAT TECHNOLOGICAL UNIVERSITY
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BE - SEMESTER- V (New) EXAMINATION - WINTER 2019
Subject Name: Advanced Materials
Time: 10:30 AM TO 01:00 PM
Instructions:
- Attempt all questions.
- Make suitable assumptions wherever necessary.
- Figures to the right indicate full marks.
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| Q.1 | (a) | Enlist the properties of Stainless steel and classify it. | 03 |
| (b) | Discuss how Inter Granular corrosion is harmful for stainless steel. Suggest methods to minimize it. | 04 | |
| (c) | Describe important characteristics & applications of free cutting steel. Give typical composition of a free cutting steel. | 07 | |
| Q.2 | (a) | What are Ni -hard cast iron? Describe their properties. | 03 |
| (b) | Give the composition and properties of High silicon cast iron. | 04 | |
| (c) | What is a TRIP steel? “TRIP steel satisfying the requirements of automotive industry for good formable high strength steel”. Justify and comment. | 07 | |
| Q.3 | (a) | OR Mention the properties and applications of Ferritic stainless steel. Give the composition of 409 and 405 stainless steel. | 07 |
| (b) | Write the properties of Hastelloy | 03 | |
| (c) | Give the properties and applications of Fe-based superalloys. | 04 | |
| Q.4 | (a) | Describe the metallurgical aspects of Titanium and its alloys including their properties and applications. | 07 |
| (b) | OR Define and explain biocompatibility. | 03 | |
| (c) | Explain bio-inertness and bio-functionality. | 04 | |
| Q.5 | (a) | Explain different mechanism by which high strength and creep resistance are achieved in super alloys. Enlist the properties of Co-based super alloys. | 07 |
| (b) | What are metallic glasses? Write applications. | 03 | |
| (c) | Describe the properties.of metallic glasses. | 04 | |
| Q.3 | (a) | Explain the sol-gel technique for nano-material production. Draw the necessary diagram. Give advantages of this method. | 07 |
| (b) | OR --- Content provided by FirstRanker.com --- Give some examples and applications of Nano materials. | 03 | |
| (c) | Write a note on carbon nanotubes. | 04 | |
| Q4 | (a) | Discuss the piston and anvil technique to produce the metallic glasses. Compare the metallic glasses with their crystalline counter parts. | 07 |
| (b) | What is Smart Material? Give their advantages. | 03 | |
| (c) | Discuss the working of Piezoelectric materials. | 04 | |
| Q4 | (a) | Classify composites. Discuss properties & applications of metal matrix composites. | 07 |
| (b) | OR Describe properties of semi conducting materials. | 03 | |
| (c) | Discuss the properties of cryogenic materials. | 04 | |
| Q.5 | (a) | Write a note on shape memory alloys. | 07 |
Date: 29/11/2019
Total Marks: 70
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