Nanoscale characterization of 13.5% Cr oxide dispersion strengthened steels with various titanium concentrations

被引：11
|
作者：
Rogozhkin S.V. [1 ,2 ]
Orlov N.N. [1 ,2 ]
Nikitin A.A. [1 ,2 ]
Aleev A.A. [1 ,2 ]
Zaluzhnyi A.G. [1 ,2 ]
Kozodaev M.A. [1 ,2 ]
Lindau R. [3 ]
Möslang A. [3 ]
Vladimirov P. [3 ]
机构：
[1] National Research Nuclear University MEPhI, Moscow
[2] Institute for Theoretical and Experimental Physics, National Research Centre “Kurchatov Institute” State Scientific Center of the Russian Federation, Moscow
[3] Institute for Applied Materials—Applied Materials Physics (IAMAWP), Karlsruhe Institute of Technology, Karlsruhe
来源：
Inorganic Materials: Applied Research | 2015年 / 6卷 / 02期
基金：
俄罗斯基础研究基金会;
关键词：
atom probe tomography; dispersion strengthening; nanostructure; ODS steels;
D O I：
10.1134/S2075113315020136
中图分类号：
学科分类号：
摘要：
The influence of titanium alloying (Ti content of 0, 0.2, 0.3, and 0.4 wt %) on the nanostructure of yttrium oxide (Y2O3) dispersion strengthened steel with a composition Fe-13.5% Cr-2% W-0.3% Y2O3 is investigated. The spatial distribution of chemical elements is analyzed in the investigated volumes. The matrix composition and average size and concentration of nanoscale clusters are compared for different samples. It is shown that the average nanocluster size (∼3 nm) is almost unchanged with increasing Ti concentration, while the cluster concentration grows from ∼1 × 1023 m−3 (for Ti-free steel) to ∼1.5 × 1024 m−3 (for 0.4 wt % Ti alloy). © 2015, Pleiades Publishing, Ltd.
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页码：151 / 155
页数：4
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