THE CORROSION BEHAVIOR OF FE-CR-NI-ZR ALLOYS IN COAL-GASIFICATION ENVIRONMENTS AT HIGH-TEMPERATURES

被引：6

作者：

BAXTER, DJ

NATESAN, K

机构：

[1] Argonne Natl Lab, Argonne, IL, USA, Argonne Natl Lab, Argonne, IL, USA

来源：

CORROSION SCIENCE | 1986年 / 26卷 / 02期

关键词：

COAL GASIFICATION PLANTS - Materials - CORROSION - High Temperature Effects - FILMS - Metallic;

D O I：

10.1016/0010-938X(86)90043-0

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Structural Fe-Cr-Ni alloys may be rapidly degraded in mixed gaseous environments at elevated temperatures unless protective oxide scales can be formed and maintained. In an investigation of the corrosion behavior of model alloys based on Fe-25% Cr-20% Ni and Fe-12% Cr-12% Ni in environments containing oxygen and sulfur at 650 and 875 degree C, it is shown that composition plays an important role in preventing rapid degradation. The Cr content affects the ability to form a protective scale, but small additions of Zr(1-6% by weight) promote protective oxide scale formation and enhance scale stability.

引用

页码：153 / 172

页数：20

共 27 条

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