Influence of ultraviolet light irradiation on corrosion behavior of weathering steel with and without TiO2-coating in 3 mass% NaCl solution

被引：37
|
作者：
Mahmoud, MG
Wang, RG
Kato, M
Nakasa, K
机构：
[1] Hiroshima Inst Technol, Dept Mech & Syst Engn, Saeki Ku, Hiroshima 7315193, Japan
[2] Hiroshima Univ, Higashihiroshima 7398527, Japan
[3] Hiroshima Univ, Grad Sch Engn, Higashihiroshima 7398527, Japan
来源：
SCRIPTA MATERIALIA | 2005年 / 53卷 / 11期
关键词：
iron alloys; ultraviolet light; corrosion; coatings; oxides; semiconductor;
D O I：
10.1016/j.scriptamat.2005.07.039
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
In this study the influence of ultraviolet (UV) light on the corrosion behavior of weathering steel with and without TiO2 coating has been investigated in 3% NaCl solution, using anodic polarization, dipping and dropping tests. In polarization tests a large negative shift of corrosion potential appeared for the TiO2-coated specimen in UV light. The weight loss of the steels with and without TiO2, film increased under UV light in the dipping test, while they decreased in the dropping test. The rust formed on the weathering steel showed a semiconductor like behavior, similar to that shown by TiO2 film. (c) 2005 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：1303 / 1308
页数：6
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