ATOM-PROBE STUDY OF PHOSPHORUS SEGREGATION TO THE CARBIDE MATRIX INTERFACE IN AN AGED 9-PERCENT CHROMIUM STEEL

被引：36

作者：

LUNDIN, L ^{[1
]}

RICHARZ, B ^{[1
]}

机构：

[1] MAX PLANCK INST IRON RES, D-40237 DUSSELDORF, GERMANY

来源：

APPLIED SURFACE SCIENCE | 1995年 / 87-8卷 / 1-4期

关键词：

D O I：

10.1016/0169-4332(94)00519-2

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

By means of atom-probe field-ion microscopy (APFIM) a B-doped 9%Cr-steel was investigated. This kind of steels finds its application at elevated temperatures leading to detrimental segregation of non-metallic elements. The material was aged at 480 degrees C and 650 degrees C for up to 10 000 h. Specimens with M(23)C(6) carbides close to the tip apex were prepared by controlled backpolishing to study the P segregation to the carbide/matrix interface. P was found to be enriched at the interface layer and was not incorporated into the carbides. On the contrary B was clearly enriched within the carbides, but a segregation of B to the interfaces was not detected.

引用

页码：194 / 199

页数：6

共 25 条

[1] PERFORMANCE OF AN ENERGY COMPENSATOR WITH A LARGE ACCEPTANCE ANGLE [J].