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Keywords: oxygen partial pressure
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Proceedings Papers

Paper presented at the CORROSION 2016, March 6–10, 2016
Paper Number: NACE-2016-7391
... texas 77084 permission oxygen partial pressure combustion materials and corrosion Upstream Oil & Gas quadakker composition alloy manuscript steel air-firing gas Houston metallographic cross-section Corrosion behavior of candidate heat exchanger materials in oxidizing and reducing...
Proceedings Papers

Paper presented at the CORROSION 2015, March 15–19, 2015
Paper Number: NACE-2015-5974
.... mechanism alpo 4 slag gasifier high chrome oxide metals & mining chrome oxide refractory material oxygen partial pressure government work feedstock gasification reaction weight change high chrome oxide refractory permission phosphate addition aluminum phosphate MICROSTRUCTURE...
Proceedings Papers

Paper presented at the CORROSION 2011, March 13–17, 2011
Paper Number: NACE-11085
... system parameters such as T/relative humidity, oxygen partial pressure, and carbon dioxide partial pressure on the QCM weight gains and the corresponding corrosion rates. The relative humidity (RH) of the gas system and temperature difference ( T) between the gas and the metal surface play a critical...
Proceedings Papers

Paper presented at the CORROSION 2009, March 22–26, 2009
Paper Number: NACE-09161
... metal loss Pipeline Corrosion well integrity month exposure exposure oxygen partial pressure grain boundary 2009 Copyright ©2009 by NACE International. Requests for permission to publish this manuscript in any form, in part or in whole must be in writing to NACE International, Copyright...
Proceedings Papers

Paper presented at the CORROSION 2007, March 11–15, 2007
Paper Number: NACE-07467
...-rich phase oxidation behavior water vapor oxygen partial pressure Subsurface Corrosion oxide scale non-mo-added alloy diffusion Pipeline Corrosion well integrity grain size alloy alloy substrate scale thickness mo-added alloy mass gain EFFECT OF Mo ADDITION ON OXIDATION BEHAVIOR...
Proceedings Papers

Paper presented at the CORROSION 2000, March 26–31, 2000
Paper Number: NACE-00257
... ratios of steam- to-hydrogen, which act to simultaneously increase carbon activity and decrease oxygen partial pressure. Testing has been performed to examine the effects of alloying elements and surface condition upon the metal dusting resistance of numerous alloy systems in a hydrogen-carbon monoxide...
Proceedings Papers

Paper presented at the CORROSION 96, March 24–29, 1996
Paper Number: NACE-96144
... corrosion attack by formation of a thin, protective chromia scalel. At high temperatures and/or low oxygen partial pressures, however, chromia scales become nonprotective. Compared to chromia-formers, materials forming alumina scales have several advantages. The rate constant of alumina formation is lower...
Proceedings Papers

Paper presented at the CORROSION 96, March 24–29, 1996
Paper Number: NACE-96140
... of silicon carbide has been shown to follow a parabolic relationship with time. If, however, the oxygen partial pressure is especially low, generally less than 10-D atm, another reaction is expected to occur at a significant rate:7 SiC + Oz(g) = SiO(g) + CO(g). (3) Rather than a solid, adherent oxide being...
Proceedings Papers

Paper presented at the CORROSION 96, March 24–29, 1996
Paper Number: NACE-96424
..., samples were oxidized in a silnulated PNP gas atmosphere. The thermodynamic equilibrium of such an atmosphere establishes very low oxygen partial pressures, at the oxidation temperatures of interest. This work presents qualit ~tive and quantitative characterization of the oxide scales using techniques...

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