THE INFLUENCE OF NITROGEN AND MOLYBDENUM ON THE SENSITIZATION PROPERTIES OF LOW-CARBON AUSTENITIC STAINLESS-STEELS

被引：42

作者：

BENEKE, R ^{[1
]}

SANDENBERGH, RF ^{[1
]}

机构：

[1] UNIV PRETORIA,DEPT MAT SCI & MET ENGN,PRETORIA 0002,SOUTH AFRICA

来源：

CORROSION SCIENCE | 1989年 / 29卷 / 05期

关键词：

Electrochemistry - Iron and Steel Metallography--Microstructures;

D O I：

10.1016/0010-938X(89)90006-1

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The electrochemical potentiokinetic reactivation technique has been applied to the quantiative assessment of the influence of nitrogen and molybdenum on the sensitization properties of low-carbon austenitic stainless steels. The resulting isosensitization curves show that the addition of nitrogen (up to 0.123%) improves the resistance of molybdenum-containing austenitic stainless steels to sensitization. This effect also occurs in conventional low carbon (0.03%) steels, as well as in steels with a higher carbon content (0.05%). Additions of molybdenum (up to 2.3%) to nitrogen-containing steels improve their resistance to sensitization by retarding the precipitation of chromium carbides.

引用

页码：543 / &

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