AES AND SAM STUDIES OF OXIDE FORMATION ON INCONEL-600 AT HIGH-TEMPERATURES

被引:12
作者
ALSTRUP, NC [1 ]
LANGVAD, N [1 ]
CHORKENDORFF, I [1 ]
机构
[1] HALDOR TOPSOE RES LABS,DK-2800 LYNGBY,DENMARK
关键词
D O I
10.1002/sia.740220194
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
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-degrees-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.
引用
收藏
页码:441 / 444
页数:4
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