Electrochemical investigation of the influence of nitrogen alloying on pitting corrosion of austenitic stainless steels

被引：249

作者：

Jargelius-Pettersson, RFA ^{[1
]}

机构：

[1] Swedish Inst Met Res, S-11428 Stockholm, Sweden

来源：

CORROSION SCIENCE | 1999年 / 41卷 / 08期

关键词：

stainless steel; pitting; repassivation;

D O I：

10.1016/S0010-938X(99)00013-X

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A systematic investigation has been performed of the influence of nitrogen alloying on the pitting corrosion of austenitic stainless steels. The alloys investigated had a base composition of 20% Cr-25% Ni with 0% or 4.5% Mo. The nitrogen level was varied up to the solid solubility limit at approximately 0.2%. The critical temperature for pitting corrosion increases with nitrogen additions and the effect is more marked in the molybdenum-alloyed steels, indicating a synergistic interaction between the two alloying elements. A number of investigations have been performed to elucidate the mechanisms for the influence of nitrogen on pitting corrosion and for Mo-N synergism. (C) 1999 Elsevier Science Ltd. All rights reserved.

引用

页码：1639 / 1664

页数：26

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