Deconvolution-Based Peak Profile Analysis Methods for Characterization of CoCrFeMnNi High-Entropy Alloy | Sciact - CRIS-system of Boreskov Institute of Catalysis

Deconvolution-Based Peak Profile Analysis Methods for Characterization of CoCrFeMnNi High-Entropy Alloy Full article

Journal

Heliyon
ISSN: 2405-8440

Output data

Year: 2022, Volume: 8, Number: 9, Article number : e10541, Pages count : 7 DOI: 10.1016/j.heliyon.2022.e10541

Tags

High-entropy alloys, Synchrotron X-ray diffraction, Peak profile analysis, Plastic deformation, Dislocation structure

Authors

Ivanov Ivan V. ¹ , Emurlaev Kemal I. ¹ , Kuper Konstantin E. ^2,3 , Akkuzin Sergey A. ⁴ , Bataev Ivan A. ¹

Affiliations

1	Department of Materials Science and Engineering, Novosibirsk State Technical University, Novosibirsk 630073, Russia
2	Budker Institute of Nuclear Physics, Novosibirsk 630090, Russia
3	Synchrotron Radiation Facility SKIF, Boreskov Institute of Catalysis SB RAS, Kol’tsovo 630559, Russia
4	Institute of Strength Physics and Materials Science, Tomsk 634055, Russia

In this study, we compare several peak profile analysis methods for the investigation of the CoCrFeMnNi high-entropy alloy (HEA) after the plastic deformation. We show that conventional Williamson - Hall (cWH) approach poorly correlates with measured peak broadening and some corrections must be introduced to improve the analysis. The correction for elastic modulus for different crystallographic directions or application of modified Williamson Hall (mWH) and modified Warren - Averbach (mWA) methods significantly improve the correlation between the model and experimental data. Peak profile analysis shows that the dislocation density of the CoCrFeMnNi alloy subjected to axial compression increases with increase in strain and reaches plateau at a strain of 47.5%. At the same time, the crystallite size decreases, and dislocation structure becomes more disordered.

Ivanov I.V. , Emurlaev K.I. , Kuper K.E. , Akkuzin S.A. , Bataev I.A.
Deconvolution-Based Peak Profile Analysis Methods for Characterization of CoCrFeMnNi High-Entropy Alloy
Heliyon. 2022. V.8. N9. e10541 :1-7. DOI: 10.1016/j.heliyon.2022.e10541 WOS Scopus AN PMID OpenAlex

Submitted:	Feb 15, 2022
Accepted:	Aug 31, 2022
Published print:	Sep 6, 2022
Published online:	Sep 6, 2022

Web of science:	WOS:000862501000013
Scopus:	2-s2.0-85139200442
Chemical Abstracts:	2022:2529222
PMID:	36132170
OpenAlex:	W4294693619

DB	Citing
OpenAlex	7
Web of science	6
Scopus	6