High-Temperature Oxidation of an Fe-Mn-Al-C Alloy.

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作者：
Rizzo Assuncao, Fernando Cosme
S. Lopes, Maria de Fatima
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来源：
Metalurgia ABM | 1983年 / 39卷 / 302期
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摘要：
The behavior of an Fe-Mn-Al-C alloy during oxidation in air at 1000 e 1100 degree C was investigated. Metallographic analysis of the scale revealed a duplex oxide layer and the presence of precipitates in the underlying matrix. The oxides were identified by X-ray diffraction but the precipitates were not detected by the analysis. Microprobe analysis of the precipitates indicated a high Al-content. To investigate the influence of the oxidation atmosphere on the formation of the precipitates, new treatments were carried out under atmospheric pressure and 1000 degree C, first in pure O//2 and then in pure N//2. The results indicated an interesting effect of nitrogen on the oxidation behavior of the alloy.
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页码：19 / 22
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