Time and temperature dependence of the adhesion of oxide scales formed on phosphorus-containing steels during short term oxidation

被引：6
作者：
Ahtoy, E. [1 ,2 ,3 ]
Picard, M. [1 ]
Leprince, G. [1 ]
Galerie, A. [2 ]
Wouters, Y. [2 ]
Wang, X. [3 ]
Atkinson, A. [3 ]
机构：
[1] ArcelorMittal Res, F-52280 Maizieres Les Metz, France
[2] Univ Grenoble, SIMaP, F-38402 St Martin Dheres, France
[3] Univ London Imperial Coll Sci Technol & Med, Dept Mat, London SW7 2AZ, England
来源：
MATERIALS CHEMISTRY AND PHYSICS | 2014年 / 148卷 / 03期
关键词：
Alloys; Oxidation; Mechanical testing; Indentation; Adhesion; INDENTATION; SEGREGATION; ALLOYS; ENERGY; IRON;
D O I：
10.1016/j.matchemphys.2014.09.038
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The influence of phosphorus (0.15 wt.%) on iron oxide scale adhesion is studied for short time oxidation of carbon steel in air at 800 and 1000 degrees C. Adhesion is measured after cooling to room temperature by Vickers indentation. It is shown to increase with increasing oxidation time as the result of the formation of a phosphorus-containing phase at the steel-scale interface. It also exhibits much higher values after oxidation at 1000 degrees C than after oxidation at 800 degrees C. This is suggested to be due to molten oxide infiltrating the metal grain boundaries during oxidation at the highest temperature. The FeO-Fe-3(PO4)(2) eutectic temperature of 940 degrees C appears therefore as a critical parameter in the steel descaling process on the production line. (C) 2014 Elsevier B.V. All rights reserved.
引用
收藏
页码：1157 / 1162
页数：6
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