AES and SAM studies of oxide formation on Inconel 600 at high temperatures

被引:0
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作者
Alstrup, N.C. [1 ]
Langvad, N. [1 ]
Chorkendorff, I. [1 ]
机构
[1] Technical Univ of Denmark, Lyngby, Denmark
关键词
Auger electron spectroscopy - Characterization - High temperature effects - Microscopic examination - Oxidation - Pressure effects - Surface properties;
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摘要
Characterization of the oxide formed on a Ni-based alloy (Inconel 600) at high temperatures has been carried out using AES and SAM combined with ion-etched depth profiling. The oxidation experiment was done at 1000 °C, in atmospheric air and under mild (H2/H2O) oxidation conditions. In air, the resulting surface is highly inhomogeneous, featuring large Ni-rich islands on top of a continuous Cr-rich oxide layer. When the oxygen partial pressure (H2/H2O) was lowered, the Ni-rich layer was not formed.
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页码:441 / 444
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