WebThe formation and growth of Al2O3 scales on (beta)-NiAl were studied using electron microscopy and other analytical techniques to gain an understanding of the oxidation properties of (beta)-NiAl and of alumina-forming alloys, in general. The transient and mature stages of oxidation were studied as well as the transformation stage during which the … Web12 de mar. de 2014 · We report the growth of crystalline Al2O3 thin films deposited by thermal Atomic Layer Deposition (ALD) at 200 °C, which up to now has always resulted in the amorphous phase. ... due to the nanometer size scale of the film/substrate combination.
The evolution and growth of Al2O3 scales on beta-NiAl - NASA …
Web15 de dez. de 2024 · Cu3N has been grown on m-Al2O3 by aerosol-assisted chemical vapor deposition using 0.1 M CuCl2 in CH3CH2OH under an excess of NH3 at 600 °C, which led to the deposition of Cu that was subsequently converted into Cu3N under NH3: O2 at 400 °C in a two-step process without exposure to the ambient. The reaction of … Web24 de mai. de 2024 · Request PDF Understanding the growth mechanisms of TiO2/Al2O3 mixed scales formed on Al-depleted Ti2AlC at 1000-1200 °C We present a detailed … infinity qx80 2020 dimensions
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Web13 de abr. de 2024 · Al2O3-SiO2 aerogel (ASA) was prepared by convenient ambient pressure drying using inexpensive AlCl3·H2O as precursor, and silicon was deposited during the aging of aluminum gel. To explore the influence of Chloride ion on the property of ASA, ion exchange technology was used to remove the Chloride ion in the aluminum sol. … Web1 de abr. de 1994 · The growth of Al2O3 scales on β-NiAl was studied at 1500°C. Oxidation rates, diffusion mechanisms, and microstructures were examined in order to … Web1 de jan. de 1994 · ABSTRACT. The oxide morphology and transport processes occurring during the growth of a -aluminum oxide (a -Al2O3) at 1,200° C on an iron-aluminum (Fe-25 wt% Al) alloy and a nickelaluminum (Ni-32 wt% Al) alloy (b -NiAl) were investigated. Imaging secondary ion mass spectrometry (SIMS) was used to locate the different isotopic … infinity qx80 2020