Microstructural Peculiarities and Hardening of Nb After Mechanical Activation and Subsequent Consolidation by Torsion Under Pressure

Results of investigation of the microstructural peculiarities and regularities of niobium hardening after combined deformation treatment including mechanical activation of the powder in a planetary ball mill and subsequent consolidation by torsion under pressure in Bridgman anvils are presented. The...

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Bibliographic Details
Published inRussian physics journal Vol. 57; no. 7; pp. 937 - 944
Main Authors Ditenberg, I. A., Denisov, K. I., Tyumentsev, A. N., Korchagin, M. A., Korznikov, A. V.
Format Journal Article
LanguageEnglish
Published Boston Springer US 01.11.2014
Springer
Subjects
Condensed Matter Physics
Condensed-State Physics
Hadrons
Hardness
Heavy Ions
Lasers
Mathematical and Computational Physics
Nuclear Physics
Optical Devices
Optics
Photonics
Physics
Physics and Astronomy
Powders
Theoretical
mechanical activation
microstructure
torsion under pressure
niobium
electron microscopy
curvature of the crystal lattice
microhardness
severe plastic strain
pressure
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Summary:Results of investigation of the microstructural peculiarities and regularities of niobium hardening after combined deformation treatment including mechanical activation of the powder in a planetary ball mill and subsequent consolidation by torsion under pressure in Bridgman anvils are presented. The quantitative parameters of grain and defect structure of the examined material are determined in different deformation stages. The main factors determining the specifics of niobium hardening for the considered deformation treatment are discussed.
ISSN:1064-8887
1573-9228
DOI:10.1007/s11182-014-0327-2