THE ROLE OF MOLYBDENUM IN THE ACTIVE PASSIVE TRANSITION OF IRON CHROMIUM-ALLOYS

被引：13
|
作者：
GERRETSEN, JH
DEWIT, JHW
机构：
[1] Delft University of Technology, Laboratory for Materials Science, Division of Corrosion Technology and Electrochemistry, 2628 AL Delft
来源：
ELECTROCHIMICA ACTA | 1991年 / 36卷 / 09期
关键词：
MO; FECR ALLOY; PASSIVATION; DISSOLUTION RATE;
D O I：
10.1016/0013-4686(91)85335-5
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
In order to clarify the role of Mo on the passivation of FeCr-Mo alloys, the critical current density in stationary polarization curves of several alloys, with and without Mo, are compared with the maximum current density in potential step measurements. The results showed that Mo increases the dissolution rate of the alloys, but the increase is compensated by the faster formation of the passive film, thus increasing the resistance against corrosion of the FeCr alloys.
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页码：1465 / 1467
页数：3
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