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TECHNICAL PAPERS: Gas Turbines: Coal, Biomass, Alternative Fuels and Combustion & Fuels

Revisiting the Inhibition of Vanadium-Induced Hot Corrosion in Gas Turbines

[+] Author and Article Information
E. Rocca, P. Steinmetz

Université Henri Poincaré–Nancy I, Laboratoire de Chimie du Solide Minéral, UMR CNRS 7555, B. P. 239, 54506 Vandoeuvre-Lès-Nancy, France

M. Moliere

GE Energy Products–Europe, 1, Avenue Charles Bohn, B. P. 379, 90007 Belfort, France e-mail: michel.moliere@ps.ge.com

J. Eng. Gas Turbines Power 125(3), 664-669 (Aug 15, 2003) (6 pages) doi:10.1115/1.1456095 History: Received December 01, 2000; Revised March 01, 2001; Online August 15, 2003
Copyright © 2003 by ASME
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References

Figures

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Metallographic cross-sections of NiO/V2O5 melts in Na2SO4 (70 wt.%) after three days at 700°C in air+150 ppmSO2
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NiO–V2O5 thermodynamic diagram (9)
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Metallographic cross section of GTD111 covered with Na2SO4/V2O5 melt and oxidized at 850°C in air+150 ppmSO2 for 100 h
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Metallographic cross section of GTD111 covered with Na2SO4/V2O5 inhibited with nickel (Ni/V=2.25) (a), and inhibited with magnesium (Mg/V=3) (b). The samples were oxidized at 850°C in air+150 ppmSO2 for 100 h.
Grahic Jump Location
Metallographic cross section of GTD111 covered with Na2SO4/V2O5 inhibited with nickel (Ni/V=2.25) (a), and inhibited with magnesium (Mg/V=3) (b). The samples were oxidized at 700°C in air+150 ppmSO2 for 100 h.

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