Influence of yttrium and method of fabrication on the oxidation behavior of Fe-Cr-Al alloys at high temperature in air

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作者
Clemendot, F. [1 ]
Gras, J.M. [1 ]
Van Duysen, J.C. [1 ]
Zacharie, G. [1 ]
机构
[1] EDF/DER, Moret-Sur-Loing, France
关键词
Aging of materials - High temperature applications - Oxidation - Powder metallurgy - Refractory materials;
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摘要
The oxidation behavior of three industrial Fe-Cr-Al alloys was studied. Two of the products examined were Fe-Cr-Al alloys, one being fabricated by powder metallurgy while the third one was Fe-Cr-Al-Y alloy. In particular, we have shown that, at high temperature, yttrium may have a detrimental effect on the hot oxidation resistance of this type of alloy. Powder metallurgy does not seem to improve the high temperature behavior of Fe-Cr-Al alloys as stated by the manufacturer.
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页码:901 / 908
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