Oxide growth mechanism and oxidation resistance in mechanically alloyed Ni-20Cr-20Fe-5Nb-1Y2O3 alloy

被引：1
|
作者：
Kim, IH [1 ]
Kwun, SI [1 ]
机构：
[1] Korea Univ, Div Engn & Mat Sci, Seoul 136701, South Korea
来源：
PRICM 5: THE FIFTH PACIFIC RIM INTERNATIONAL CONFERENCE ON ADVANCED MATERIALS AND PROCESSING, PTS 1-5 | 2005年 / 475-479卷
关键词：
ultra-fine grain; oxidation; ODS alloy; mechanical alloying;
D O I：
10.4028/www.scientific.net/MSF.475-479.4231
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The oxidation characteristics of a Ni-20Cr-20Fe-5Nb-IY2O3 alloy and a Ni-20Cr-20Fe-5Nb alloy both with ultra-fine grains were compared with those of commercial Inconel 718 and PM 1000 alloys. The oxidation resistance of the Ni-20Cr-20Fe-5Nb-1Y(2)O(3) alloy was superior to that of both the Ni-20Cr-2OFe-5Nb and commercial Inconel 718 alloys. This was attributed to the suppression of successive oxidation via the oxide formed during the oxidation of the ODS (oxide dispersion strengthening) alloy. It was confirmed that the prior powder boundary is the site where the oxide grows continuously during ODS alloy oxidation.
引用
收藏
页码：4231 / 4234
页数：4
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