A STEM EXAMINATION OF THE LOCALIZED CORROSION BEHAVIOR OF A DUPLEX STAINLESS-STEEL

被引：24

作者：

MANNING, PE ^{[1
]}

LYMAN, CE ^{[1
]}

DUQUETTE, DJ ^{[1
]}

机构：

[1] RENSSELAER POLYTECH INST,DEPT MAT ENGN,TROY,NY 12181

来源：

CORROSION | 1980年 / 36卷 / 05期

关键词：

D O I：

10.5006/0010-9312-36.5.246

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The most susceptible site for pit initiation was the retained delta ferrite/austenite interface. Microanalysis results disprove the chromium depletion theory. The most likely explanation is a segregation of impurities such as sulfur or phosphorus to the interface during the nonequilibrium solidification process associated with weldments. The passive film over the interface as well as repassivation kinetics are degraded by impurities.

引用

页码：246 / 251

页数：6

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