High-temperature kinetics study of 430L steel powder oxidized in air at 600-850 °C

被引：21

作者：

Karczewski, J. ^{[1
]}

Brylewski, T. ^{[2
]}

Miruszewski, T. ^{[1
]}

Andersen, K. B. ^{[3
]}

Jasinski, P. Z. ^{[4
]}

Molin, S. ^{[4
]}

机构：

[1] Gdansk Univ Technol, Fac Appl Phys & Math, Ul Narutowicza 11-12, Gdansk, Poland

[2] AGH Univ Sci & Technol, Fac Mat Sci & Ceram, Al Mickiewicza 30, PL-30059 Krakow, Poland

[3] Tech Univ Denmark, Dept Energy Convers & Storage, Frederiksborgvej 399, DK-4000 Roskilde, Denmark

[4] Gdansk Univ Technol, Fac Elect Telecommun & Informat, Ul Narutowicza 11-12, Gdansk, Poland

来源：

CORROSION SCIENCE | 2019年 / 149卷

关键词：

Stainless steel; X-ray diffraction; SEM; High-temperature corrosion; OXIDE FUEL-CELL; POROUS STAINLESS-STEEL; METAL SUPPORTS; FE-CR; OXIDATION; SCALE; COATINGS; ALLOY; THICKNESS; MEMBRANES;

D O I：

10.1016/j.corsci.2019.01.005

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The 430L stainless steel powder with a mean particle size of 95 mu m was studied to determine its high-temperature oxidation properties. Continuous thermogravimetric measurements were carried out for 100 h in air at temperatures in the range of 600-850 degrees C. Even though a considerable amount of Cr (up to (similar to)5 wL% Cr) inside the grains was depleted - especially inside small grains - no breakaway oxidation was observed. This indicates that both the remaining Cr and the formed chromia scale remained protective with regard to the metallic core until the Cr concentration reached very low levels.

引用

页码：100 / 107

页数：8

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