INFLUENCE OF NIOBIUM ON STACKING-FAULT ENERGY OF ALL-AUSTENITE STAINLESS-STEELS

被引：21
|
作者：
MARTINEZ, LG [1 ]
IMAKUMA, K [1 ]
PADILHA, AF [1 ]
机构：
[1] UNIV SAO PAULO, DEPT MET & MAT ENGN, SAO PAULO, BRAZIL
来源：
STEEL RESEARCH | 1992年 / 63卷 / 05期
关键词：
D O I：
10.1002/srin.199200503
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
The effects of niobium addition on a completely austenitic stainless steel matrix consisting of Fe-15%Cr-15%Ni, with about 0, 0.5, 1 and 2% niobium, were studied by determination of stacking fault energies by means of X-ray diffraction analysis. A strong influence of niobium on stacking-fault energies was found, whose behaviour can be explained as being due to decrease in the electron/atom ratio and increase in the L. Pauling electron vacancy number of austenitic Fe-Cr-Ni matrix brought on by niobium.
引用
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页码：221 / 223
页数：3
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