Study of Precipitates in Oxide Dispersion-Strengthened Steels by SANS, TEM, and APT

被引：3
作者：
Rogozhkin, Sergey V. [1 ,2 ]
Klauz, Artem V. [1 ,2 ]
Ke, Yubin [3 ]
Almasy, Laszlo [4 ]
Nikitin, Alexander A. [1 ,2 ]
Khomich, Artem A. [1 ,2 ]
Bogachev, Aleksei A. [1 ,2 ]
Gorshkova, Yulia E. [5 ,6 ]
Bokuchava, Gizo D. [5 ]
Kopitsa, Gennadiy P. [7 ]
Sun, Liying [8 ]
机构：
[1] Natl Res Nucl Univ MEPhI, Inst Nucl Phys & Engn, Moscow 115409, Russia
[2] Natl Res Ctr, Kurchatov Inst, Moscow 123182, Russia
[3] Spallat Neutron Source Sci Ctr, Dongguan 523803, Peoples R China
[4] HUN REN Ctr Energy Res, Inst Energy Secur & Environm Safety, H-1121 Budapest, Hungary
[5] Joint Inst Nucl Res, Dubna 141980, Russia
[6] Kazan Fed Univ, Inst Phys, Kazan 420008, Russia
[7] NRC Kurchatov Inst, Petersburg Nucl Phys Inst, Gatchina 188300, Russia
[8] Guangdong Acad Sci, Inst New Mat, Guangzhou 510650, Peoples R China
来源：
NANOMATERIALS | 2024年 / 14卷 / 02期
关键词：
oxide dispersion-strengthened steel; ODS steel; small angle neutron scattering; SANS; transmission electron microscopy; TEM; atom probe tomography; APT; oxide particle; cluster; ANGLE NEUTRON-SCATTERING; ATOM-PROBE TOMOGRAPHY; MECHANICAL-PROPERTIES; FERRITIC STEELS; ODS-EUROFER; PARTICLES; EVOLUTION; ALLOYS; NANOSTRUCTURE; SYSTEMS;
D O I：
10.3390/nano14020194
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
In this work, the nanostructure of oxide dispersion-strengthened steels was studied by small-angle neutron scattering (SANS), transmission electron microscopy (TEM), and atom probe tomography (APT). The steels under study have different alloying systems differing in their contents of Cr, V, Ti, Al, and Zr. The methods of local analysis of TEM and APT revealed a significant number of nanosized oxide particles and clusters. Their sizes, number densities, and compositions were determined. A calculation of hardness from SANS data collected without an external magnetic field, or under a 1.1 T field, showed good agreement with the microhardness of the materials. The importance of taking into account two types of inclusions (oxides and clusters) and both nuclear and magnetic scattering was shown by the analysis of the scattering data.
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页数：16
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