In-situ isothermal oxidation of the nickel-based superalloy Diamalloy 1005 from 950 to 1100 ℃ in air
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The isothermal oxidation behavior of a nickel-based superalloy, Diamalloy 1005, was evaluated in air. Oxidation experiments were conducted in air using an in situ heating furnace within a laboratory X-ray diffractometer (XRD) at three isothermal conditions: 950 °C, 1000 °C, and 1100 °C. The formation of Cr₂O₃, Cr₂NiO₄, NiO, and other minor oxide phases was observed. With increasing exposure time, Cr₂O₃ fully reacted with NiO to form Cr₂NiO₄. Oxidation rate constants were determined from the in situ XRD data, yielding an oxidative activation energy of 311 (±49) kJ/mol, which was compared to values reported in literature.
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Zenodo创建时间：
2026-09-28
