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Microstructural characterization of Ru-doped NiCoCrAlYTa coupons treated by thermal oxidation

Juárez López, Fernando and Vahlas, Constantin and Álvarez Chávez, José Alfredo Microstructural characterization of Ru-doped NiCoCrAlYTa coupons treated by thermal oxidation. (2009) Corrosion Science, vol. 5 (n° 9). pp. 2192-2196. ISSN 0010-938X

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Official URL: http://dx.doi.org/10.1016/j.corsci.2009.06.001

Abstract

Isothermal oxidation of sintered Ru-doped and undoped Ni-alloy coupons in the range of 1173–1423 K was investigated. To assess the effect of Ruthenium doping, microstructural characterization was performed to compare the samples before and after oxidation treatment at 1173 K. Furthermore, cyclic oxidation tests on the Ru-doped and undoped coupons were carried out in a thermogravimetry apparatus at 1223 and 1323 K. The addition of 0.8 wt.% of Ru in NiCoCrAlYTa powders sintered coupons does not degrade the material’s resistance to oxidation conditions.

Item Type:Article
Additional Information:Thanks to Elsevier editor. The definitive version is available at http://www.sciencedirect.com The original PDF of the article can be found at Corrosion Science website : http://www.sciencedirect.com/science/journal/0010938X
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution: Université de Toulouse > Institut National Polytechnique de Toulouse - INPT
Université de Toulouse > Université Paul Sabatier-Toulouse III - UPS
Other partners > Instituto Politécnico Nacional - IPN (MEXICO)
French research institutions > Centre National de la Recherche Scientifique - CNRS
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Deposited By: Nihad Lahdifi
Deposited On:08 Jul 2010 14:21

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