Bhakta, U C (1998) Power Plant Component Failures Investigation and Remedial Measures. In: National Workshop on Surface Engineering in Corrosion Control, Dec. 22-23, 1998, NML, Jamshedpur.
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Abstract
The paper covers the reasons and remedial measures of various failed components of boiler, turbine and gene-rators in Utility Power plants of NTPC and SEB's. Boiler tube failures are mainly due to salt deposition leading to long term overheating, stress corrosion cracking and corrosion fatigue. The factors influencing the accumu-lation of salts into internal surfaces of water wall, super heater tubes have been discussed in detail. The steam turbine blades, generator retaining rings, feed water and condenser tubes have been found to suffer due to stress corrosion cracking, corrosion fatigue, pitting corrosion and crevice corrosion. Photographs of failed components and brief discussions have been given in the paper.
| Item Type: | Conference or Workshop Item (Paper) |
|---|---|
| Official URL/DOI: | http://eprints.nmlindia.org/4112 |
| Uncontrolled Keywords: | Boiler; turbine; generators; stress corrosion |
| Divisions: | Corrosion and Surface Engineering |
| ID Code: | 4112 |
| Deposited By: | Sahu A K |
| Deposited On: | 12 Oct 2011 17:06 |
| Last Modified: | 01 Dec 2011 14:51 |
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