Alloying effects on oxidation mechanisms in polycrystalline Co–Ni base superalloys

•Oxygen isotopic exchange used to examine effectiveness of oxide scales.•Co/Ni superalloys achieved that produce only 1μm scales on oxidation at 800°C for 200h.•STEM characterisation of the scales performed. Oxidation mechanisms in polycrystalline Co–Ni–Cr–Al–W–Ta alloys were investigated using O16/...

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Veröffentlicht in:	Corrosion science 2017-02, Vol.116, p.44-52
Hauptverfasser:	Ismail, F.B., Vorontsov, V.A., Lindley, T.C., Hardy, M.C., Dye, D., Shollock, B.A.
Format:	Artikel
Sprache:	eng
Schlagworte:	Alloying effects Aluminum oxide Beryllium Chromium base alloys Cobalt base alloys Ion beams Nickel base alloys Oxidation Oxidation resistance Oxides Polycrystals Scale (corrosion) Secondary ion mass spectrometry SIMS STEM Superalloys Tantalum base alloys Tungsten base alloys
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