Please use this identifier to cite or link to this item: http://elar.urfu.ru/handle/10995/141567
Title: Advanced modelling tool to extract the structural state boundaries from the hardness-strain experiments
Authors: Voronova, L. M.
Chashchukhina, T. I.
Talantsev, E. F.
Degtyarev, M. V.
Gapontseva, T. M.
Issue Date: 2024
Publisher: Elsevier Ltd
Citation: Voronova, L. M., Chashchukhina, T. I., Talantsev, E. F., Degtyarev, M. V., & Gapontseva, T. M. (2024). Advanced modelling tool to extract the structural state boundaries from the hardness-strain experiments. International Journal of Refractory Metals and Hard Materials, (122), [106719]. https://doi.org/10.1016/j.ijrmhm.2024.106719
Abstract: High pressure torsion (HPT) is the way to form nanostructured materials with high strength properties. HPT hardening mechanisms in BCC metals, such as niobium and vanadium, are not fully understood. Here, we have demonstrated that a recently proposed piecewise model can extract from the hardness-strain experimental data the different structural states in BCC metals. The piecewise model, with overlapped stages, is based on an assumption that two separate deformation mechanisms which are responsible for the type of structure have overlapped strain region. To confirm/disprove extracted boundary values, we performed a transmission electron microscopic study of the HPT niobium and vanadium. We found that the piecewise model provides accurate extraction of the boundaries in niobium and vanadium. We proposed an explanation for the observed difference in the structure formation/transformation in niobium and vanadium upon HPT. © 2024 Elsevier Ltd
Keywords: HARDNESS
HIGH PRESSURE TORSION
NIOBIUM
PIECEWISE MODELLING
STRUCTURE
VANADIUM
CRYSTAL STRUCTURE
EXTRACTION
NIOBIUM
TORSIONAL STRESS
VANADIUM
ADVANCED MODELING TOOLS
BOUNDARY VALUES
DEFORMATION MECHANISM
HARDENING MECHANISM
HIGH PRESSURE TORSIONS
HIGH-STRENGTH
PIECE-WISE MODELS
STRAIN REGION
STRENGTH PROPERTY
STRUCTURAL STATE
HARDNESS
URI: http://elar.urfu.ru/handle/10995/141567
Access: info:eu-repo/semantics/openAccess
SCOPUS ID: 85193449038
WOS ID: 001333909600001
PURE ID: 57305855
ISSN: 0263-4368
DOI: 10.1016/j.ijrmhm.2024.106719
metadata.dc.description.sponsorship: Ministry of Education and Science of the Russian Federation, Minobrnauka; Ural Federal University Program of Development; Ministry of Science and Higher Education of the Russian Federation, (122021000032-5); Ministry of Science and Higher Education of the Russian Federation
The authors thank the financial support provided by the Ministry of Science and Higher Education of Russia (theme \u201CPressure\u201D No. 122021000032-5). EFT gratefully acknowledged the research funding from the Ministry of Science and Higher Education of the Russian Federation under the Ural Federal University Program of Development within the Priority-2030 Program.
RSCF project card: Ministry of Education and Science of the Russian Federation, Minobrnauka; Ural Federal University Program of Development; Ministry of Science and Higher Education of the Russian Federation, (122021000032-5); Ministry of Science and Higher Education of the Russian Federation
The authors thank the financial support provided by the Ministry of Science and Higher Education of Russia (theme \u201CPressure\u201D No. 122021000032-5). EFT gratefully acknowledged the research funding from the Ministry of Science and Higher Education of the Russian Federation under the Ural Federal University Program of Development within the Priority-2030 Program.
Appears in Collections:Научные публикации ученых УрФУ, проиндексированные в SCOPUS и WoS CC

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