Code No.: 421854 IV B.Tech II-Semester Examinations April 2003 SUPER ALLOYS (Metallurgy and Material Technology)
Max. Marks: 70 Answer any FIVE questions All questions carry equal marks ---
1.a) b)
.in
Time: 3 Hours
Draw an account on melting techniques of super alloys. What are the precautions to be taken during melting? Discuss various techniques used to produce fine grained cost structures in super alloys. Discuss various arc remelting process in super alloys production. What is H/P? Discuss the process advantages in setting quality super alloys.
3.
Discuss various welding processes used in joining super alloys.
4.
Discuss various techniques in producing super alloy powders. Discuss the process parameters with reference to the product type and quality.
5.
What are the various advantages of producing super alloy components using investment casting? Discuss the process in detail.
6.a) b)
Draw an account on precipitation hardening of Ni-base super alloys. Discuss TCP phases.
7.
Discuss heep and high temperature behavior of super alloys.
8. a) b) c)
Discuss the following: GCP phases Classifications of Co based super alloys. Forging of super alloys.
421854 IV B.Tech II-Semester Examinations April ... Accounts
Code No.: 421854. IV B.Tech II-Semester Examinations April 2003 · SUPER ALLOYS · (Metallurgy and Material Technology) · Time: 3 Hours · Max. Marks: 70.
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