Abstract
A series of oxide-dispersedβ-NiAl alloys were oxidized in order to explore the effect of various cation dopants on the ϕ-α phase transformation in the Al2O3 scale and the effect of phase composition on the scale microstructure. Larger ions such as Y, Zr, La, and Hf appeared to slow theϕ- toα-Al2O3 phase transformation, while a smaller ion, Ti, appeared to accelerate the transformation.
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Pint, B.A., Treska, M. & Hobbs, L.W. The effect of various oxide dispersions on the phase composition and morphology of Al2O3 scales grown on β-NiAl. Oxid Met 47, 1–20 (1997). https://doi.org/10.1007/BF01682369
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DOI: https://doi.org/10.1007/BF01682369