Interaction of Exogenous Refractory Oxide Nanoparticles with Tin in Fe—Cr Melts and Their Influence on the Capillary Properties of the Metal

The heterophase interaction of exogenous ZrO 2 and Y 2 O 3 nanoparticles with a surfactant (tin) in the Fe–Cr model system is studied with allowance for the use of oxide nanoparticles in the production of oxide dispersion strengthened steels. The study of the influence of the size factor demonstrate...

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Bibliographic Details
Published in:Russian metallurgy Metally 2021, Vol.2021 (1), p.53-61
Main Authors: Anuchkin, S. N., Burtsev, V. T., Samokhin, A. V.
Format: Article
Language:English
Subjects:
Chemistry and Materials Science
Chromium
Dispersion hardening steels
Extreme values
Iron
Materials Science
Metallic Materials
Nanoparticles
Oxide dispersion strengthening
Sessile drop method
Tin
Titanium nitride
Yttrium oxide
Zirconium dioxide
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Summary:The heterophase interaction of exogenous ZrO 2 and Y 2 O 3 nanoparticles with a surfactant (tin) in the Fe–Cr model system is studied with allowance for the use of oxide nanoparticles in the production of oxide dispersion strengthened steels. The study of the influence of the size factor demonstrates that the extreme values of the degree of tin removal are 15.4 rel. % for the Fe–Cr–Sn–ZrO 2 system and 7.1 rel. % for the Fe–Cr–Sn–Y 2 O 3 system. The sessile drop method is used to investigate the capillary properties of a metal with nanoparticles. The introduction of nanoparticles into the Fe–Cr–Sn melt is found to cause the inversion of coefficient ∂σ/∂ T and the decompression of the melt.
ISSN:0036-0295
1555-6255
1531-8648
DOI:10.1134/S003602952101002X