Assessment of Microstructural Degeneration in Base Metal and Coating of Service Exposed IN 738 LC Gas Turbine Blade

Sridhar, G and Singh, S R and Das, Swapan K (2006) Assessment of Microstructural Degeneration in Base Metal and Coating of Service Exposed IN 738 LC Gas Turbine Blade. Sponsored (SSP). CSIR-NML, Jamshedpur. (Submitted)

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Abstract

Gas turbine blades work in high temperature and hot corrosion atmospheres, because of which, they are generally coated or surface treated by thermal barrier coating systems in order to protect against high tempe-rature oxidation and corrosion. Prolonged service expo-sure of the blade material and the coating material will generally lead to certain changes in the microstructure which are deleterious for further continuation of the blade in the service. Service exposures lead to micro-structural degradation/changes that can be classified
in two categories.

Item Type: Project Reports (Sponsored (SSP))
Uncontrolled Keywords: microstructural degeneration; base metal; Trailing edge; primary carbides
Subjects: Materials Science
Divisions: Material Science and Technology
Depositing User: Users 5 not found.
Date Deposited: 19 Aug 2013 12:08
Last Modified: 19 Aug 2013 12:08
URI: http://eprints.nmlindia.org/id/eprint/6444

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