Power Plant Component Failures Investigation and Remedial Measures

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)
Uncontrolled Keywords: Boiler; turbine; generators; stress corrosion
Subjects: Corrosion Science
Divisions: Corrosion and Surface Engineering
Depositing User: Users 5 not found.
Date Deposited: 12 Oct 2011 11:36
Last Modified: 01 Dec 2011 09:21
URI: http://eprints.nmlindia.org/id/eprint/4112

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