On the Modeling of Small-Angle Neutron Scattering Data to Analyze the Early Stage of Phase Separation in Fe-Cr-based Alloys

被引：0
|
作者：
Rolinska, Monika [1 ]
Spartacus, Gabriel [1 ]
Youngs, Tristan G. A. [2 ]
Odqvist, Joakim [1 ]
Hedstrom, Peter [1 ]
机构：
[1] KTH Royal Inst Technol, Dept Mat Sci & Engn, Brinellvagen 23, S-10044 Stockholm, Sweden
[2] STFC Rutherford Appleton Lab, ISIS Neutron & Muon Source, Didcot OX11 0QX, England
来源：
METALLOGRAPHY MICROSTRUCTURE AND ANALYSIS | 2025年 / 14卷 / 01期
关键词：
heat treating; iron alloys; microstructure; phase transformations; steels; SPINODAL DECOMPOSITION; NANOSTRUCTURE;
D O I：
10.1007/s13632-024-01156-0
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
Small-angle neutron scattering (SANS) is a valuable method for the analysis of phase decomposition in Fe-Cr alloys; however, quantification of the decomposition requires careful modeling of the scattering data considering factors such as interface character and short-range order. Here, we quantify the phase decomposition in a high-performance super duplex stainless steel in situ during accelerated aging in the early stage of decomposition by modifying a previously suggested quantitative SANS data modeling method. The proposed revised method can accurately model the SANS data and paves the way for revisiting the detailed phase decomposition kinetics in situ during aging in various Fe-Cr-based alloys.
引用
收藏
页码：59 / 67
页数：9
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