[M19CAD1104]
I M. Tech I Semester (R19) Regular Examinations
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MATERIAL TECHNOLOGY
Department of Mechanical Engineering
MODEL QUESTION PAPER
TIME: 3Hrs. Max. Marks: 75
Answer ONE Question from EACH UNIT.
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All questions carry equal marks.
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UNIT-I
1. a). Describe mechanism of plastic deformation. (12 Marks)
b). Write a short note on slip and twinning. (12 Marks)
OR
2. a). Explain the process of precipitation hardening. (12 Marks)
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b). What is the effect of strain and strain rate on super plasticity? (12 Marks)
UNIT-II
3. a). Explain the importance of stress intensity factor in design. (22 Marks)
b). Explain the work hardening behavior of ductile metals. (22 Marks)
OR
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4. a). What is creep rupture and how does Larson-Miller parameter helps in dealing it? (22 Marks)
b). Discuss Griffiths theory of brittle fracture. (22 Marks)
UNIT-III
5. a). Differentiate high and low cycle fatigue. (32 Marks)
b). Discuss various features of fatigue fracture. (32 Marks)
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OR
6. a). What are sources of failure and discuss any one procedure of failure analysis? (32 Marks)
b). With a neat sketch explain rotating beam type fatigue measurement. (32 Marks)
UNIT-IV
7. a). What are salient features of maraging steel? (42 Marks)
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b). List the various applications of dual steel. (42 Marks)
OR
8. a). Write a short note on smart materials. (42 Marks)
b). Discuss about Ni and Ti Aluminides. (42 Marks)
UNIT-V
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9. a). Discuss molecular structures of any two polymeric materials. (52 Marks)
b). What is the purpose of metallic coatings and mention various procedures to apply coating. (52 Marks)
OR
10. a). Write a short note on processing and application of CBN (52 Marks)
b). List the various properties of TaC (52 Marks)
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CO-CRSE TCOME KL-KNOWLEDGE LEVEL M-MARKS
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