Wet oxidation of stainless steels: New insights into hydrogen ingress

被引：22

作者：

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

Fayek, M. ^{[2
]}

Keiser, J. R. ^{[1
]}

Meyer, H. M., III ^{[1
]}

More, K. L. ^{[1
]}

Anovitz, L. M. ^{[3
,4
]}

Wesolowski, D. J. ^{[3
]}

Cole, D. R. ^{[3
]}

机构：

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

[2] Univ Manitoba, Dept Geol Sci, Winnipeg, MB R3T 2N2, Canada

[3] Oak Ridge Natl Lab, Div Chem Sci, Oak Ridge, TN 37831 USA

[4] Univ Tennessee, Dept Earth & Planetary Sci, Knoxville, TN 37996 USA

来源：

CORROSION SCIENCE | 2011年 / 53卷 / 05期

基金：

美国能源部; 加拿大自然科学与工程研究理事会;

关键词：

Stainless steel; SIMS; STEM; XPS; Oxidation; Hydrogen permeation; HIGH-TEMPERATURE OXIDATION; FE-CR ALLOYS; WATER-VAPOR; FERRITIC STEELS; INTERNAL OXIDATION; CHROMIUM; TRANSPORT; BEHAVIOR; KINETICS; METALS;

D O I：

10.1016/j.corsci.2011.02.011

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

It is well established that hydrogen derived from water vapor can penetrate oxidizing alloys with detrimental effect. However, the complexities of tracking hydrogen in these materials have prevented the direct profiling of hydrogen ingress needed to understand these phenomena. Here we report hydrogen profiles in industrially-relevant alumina-and chromia-forming steels correlated with the local oxide-metal nano/microstructure by use of SIMS D2O tracer studies and experimental protocols to optimize D retention. The D profiles unexpectedly varied markedly among the alloys examined, which indicates mechanistic complexity but also the potential to mitigate detrimental water vapor effects by manipulation of alloy chemistry. (c) 2011 Elsevier Ltd. All rights reserved.

引用

页码：1633 / 1638

页数：6

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