Some Clarifications Regarding Literature on Atmospheric Corrosion of Weathering Steels

被引：30
作者：
Diaz, I. [1 ]
Cano, H. [1 ]
Chico, B. [1 ]
de la Fuente, D. [1 ]
Morcillo, M. [1 ]
机构：
[1] Natl Ctr Met Res CENIM CSIC, Dept Surface Engn Corros & Durabil, Ave Gregorio del Amo 8, Madrid 28040, Spain
来源：
INTERNATIONAL JOURNAL OF CORROSION | 2012年 / 2012卷
关键词：
D O I：
10.1155/2012/812192
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
Extensive research work has thrown light on the requisites for a protective rust layer to form on weathering steels (WSs) in the atmosphere, one of the most important is the existence of wet/dry cycling. However, the abundant literature on WS behaviour in different atmospheres can sometimes be confusing and lacks clear criteria regarding certain aspects that are addressed in the present paper. What corrosion models best fit the obtained data? How long does it take for the rust layer to stabilize? What is the morphology and structure of the protective rust layer? What is an acceptable corrosion rate for unpainted WS? What are the guideline environmental conditions, time of wetness (TOW), SO2, and Cl-, for unpainted WS? The paper makes a review of the bibliography on this issue.
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页数：9
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