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Study of the isothermal oxidation process and phase transformations in B2-(Ni,Pt)Al/RENE-N5 system
Luis Alberto Cáceres Díaz
JUAN MANUEL ALVARADO OROZCO
Haideé Ruiz Luna
JOHN EDISON GARCIA HERRERA
ALMA GABRIELA MORA GARCIA
LUIS GERARDO TRAPAGA MARTINEZ
Raymundo Arroyave
Juan Muñoz Saldaña
0020-4
CONACyT
Acceso Abierto
Atribución
10.3390/met6090208
http://www.mdpi.com/2075-4701/6/9/208
B2-(Ni,Pt)Al bond coatings
Oxidation
Martensitic transformation
Crystal structure
Changes in composition, crystal structure and phase transformations of B2-(Ni,Pt)Al coatings upon isothermal oxidation experiments (natural and scale free oxidation) at 1100 °C, as a function of time beyond their martensitic transformation, are reported. Specifically, the analysis of lattice parameter and composition are performed to identify changes in the B2-(Ni,Pt)Al phase upon the chemically-driven L10-(Ni,Pt)Al and L12-(Ni,Pt)3Al transformations. The B2-(Ni,Pt)Al phase was found to disorder and transform the martensite during the heat treatments for both oxidation experiments at approximately 36.3 and 40.9 at. % of Al, 47.7 and 42.9 at. % of Ni, 6.2 and 8.5 at. % of Pt, 4.2 and 2.9 at. % of Cr and 4.4 and 3.8 at. % of Co. The lattice constant and the long-range order parameter of the B2-(Ni,Pt)Al phase decreased linearly as a function of the elemental content irrespective of the nature of the oxidation experiments.
MDPI AG
2016
Artículo
Metals, vol. 16, no. 9, p. 208
Inglés
Público en general
Cáceres-Díaz, L.A.; Alvarado-Orozco, J.M.; Ruiz-Luna, H.; García-Herrera, J.E.; Mora-García, A.G.; Trápaga-Martínez, G.; Arroyave, R.; Muñoz-Saldaña, J. Study of the Isothermal Oxidation Process and Phase Transformations in B2-(Ni,Pt)Al/RENE-N5 System. Metals 2016, 6, 208.
TECNOLOGÍA MINERA
Versión publicada
publishedVersion - Versión publicada
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