Fe(O,OH)6 network structure of rust formed on weathering steel

被引：8

作者：

Kimura, M ^{[1
]}

Suzuki, T ^{[1
]}

Shigesato, G ^{[1
]}

Kihira, H ^{[1
]}

Suzuki, S ^{[1
]}

机构：

[1] Tohoku Univ, Inst Multidisciplinary Res Adv Mat, Sendai, Miyagi 9808577, Japan

来源：

SURFACE AND INTERFACE ANALYSIS | 2003年 / 35卷 / 01期

关键词：

weathering steel; rust; corrosion; atomic structure; iron oxyhydroxide; network structure; x-ray absorption fine structure;

D O I：

10.1002/sia.1495

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

X-ray absorption fine structure (XAFS) analysis and transmission electron microscopy (TEM) have been used for investigating the atomic structure and microstructure of rust formed on a weathering steel and a relevant iron-chromium alloy. The XAFS results have shown that the atomic structure of the rust is an Fe(O,OH)(6) network, which is formed during corrosion. From comparison of XAFS spectra for rust formed under different conditions, it has been shown that the Fe(O,OH)(6) network structure evolves in the process of corrosion and a small amount of an alloying element such as chromium modifies the evolution process and morphology of the rust. Observation by TEM has revealed that rust formed on the weathering steel consists of heterogeneous but mainly very fine alpha-FeOOH, which is caused by chromium. Copyright (C) 2003 John Wiley Sons, Ltd.

引用

页码：66 / 71

页数：6

共 14 条

[1] [Anonymous], 1969, TETSU-TO-HAGANE
[2] QUANTITATIVE CLASSIFICATION OF PATINA CONDITIONS FOR WEATHERING STEEL USING A RECENTLY DEVELOPED INSTRUMENT
KIHIRA, H
ITO, S
MURATA, T
[J]. CORROSION, 1989, 45 (04) : 347 - 352
[3] Fe (O, OH)6 network structure of rusts formed on weathering steel surfaces
Kimura, M
Suzuki, T
Sigesato, G
Saito, M
Suzuki, S
Kihira, H
Tanabe, K
Waseda, Y
[J]. JOURNAL OF THE JAPAN INSTITUTE OF METALS, 2002, 66 (03) : 166 - 175
[4] LARABEE CB, 1962, INT C MET CORR LOND, P276
[5] EXTENDED X-RAY ABSORPTION FINE-STRUCTURE - ITS STRENGTHS AND LIMITATIONS AS A STRUCTURAL TOOL
LEE, PA
CITRIN, PH
EISENBERGER, P
KINCAID, BM
[J]. REVIEWS OF MODERN PHYSICS, 1981, 53 (04) : 769 - 806
[6] Misawa T., 1974, Corros. Eng. Jpn., V23, P17
[7] SIMPLE ADJUSTABLE LIQUID SAMPLE HOLDER FOR X-RAY ABSORPTION STUDIES
MOSS, SC
METZGER, H
EISNER, M
HUANG, HW
HUNTER, SH
[J]. REVIEW OF SCIENTIFIC INSTRUMENTS, 1978, 49 (11) : 1559 - 1561
[8] Dead-time correction of a multi-element SSD for fluorescent XAFS
Nomura, M
[J]. JOURNAL OF SYNCHROTRON RADIATION, 1998, 5 : 851 - 853
[9] NOMURA M, 1991, XRAY ABSORPTION FINE, P667
[10] Okada H., 1968, J SOC MATER SCI JPN, V17, P705

← 1 2 →