Effects of minor alloy additions and oxidation temperature on protective alumina scale formation in creep-resistant austenitic stainless steels

被引：174

作者：

Brady, M. P. ^{[1
]}

Yamamoto, Y. ^{[1
]}

Santella, M. L. ^{[1
]}

Pint, B. A. ^{[1
]}

机构：

[1] Oak Ridge Natl Lab, Mat Sci & Technol Div, Oak Ridge, TN 37831 USA

来源：

SCRIPTA MATERIALIA | 2007年 / 57卷 / 12期

关键词：

austenitic steels; heat-resistant steels; oxidation; oxides; internal oxidation;

D O I：

10.1016/j.scriptamat.2007.08.032

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Niobium was found to be beneficial for alumina scale formation in newly developed creep-resistant austenitic stainless steels. Additions of both Ti and V degraded alumina scale formation, whereas alloys with individual additions of Ti or V were able to form protective alumina scales. The ability to form external alumina scales was lost in the lower Al- and Nb-containing alloys between 800 and 900 C. Compositions with the potential to form alumina at 900 C were identified. (C) 2007 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.

引用

页码：1117 / 1120

页数：4

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