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Physics of Metals and Metallography

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01.10.2018 | STRUCTURE, PHASE TRANSFORMATIONS, AND DIFFUSION

Structure and Microtexture of Niobium Recrystallized after Cryogenic Deformation by Shear under Pressure

verfasst von: L. M. Voronova, T. I. Chashchukhina, M. V. Degtyarev

Erschienen in: Physics of Metals and Metallography | Ausgabe 10/2018

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Abstract

Annealing of the submicrocrystalline (SMC) structure of niobium obtained by high pressure torsion to e = 7 at the temperature of liquid nitrogen was carried out. The influence of the annealing temperature in the range of 100–1100°C on the recrystallization of the SMC structure and the formation of texture was investigated. This paper discusses the role of static recovery and thermoactivated formation of recrystallization nuclei. The submicrograined recrystallized structure characterized by an average grain size of 0.8 μm, by a high homogeneity, and by the lack of the texture has been obtained. The sharpest recrystallization texture is formed as a result of annealing at 900°C; the average grain size is 10 μm in this case.

Vorheriger Artikel X-Ray Diffraction Study of the Martensite Structure of the Ni47Mn42In11 Alloy

Nächster Artikel Assessment of Thermodynamic Properties of Lead-Free Soldering Co–Sb–Sn, Ag–In–Pd–Sn, and Ni–Cr–Co–Al–Mo–Ti–Cu Alloys

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Titel: Structure and Microtexture of Niobium Recrystallized after Cryogenic Deformation by Shear under Pressure
verfasst von: L. M. Voronova
T. I. Chashchukhina
M. V. Degtyarev
Publikationsdatum: 01.10.2018
Verlag: Pleiades Publishing
Erschienen in: Physics of Metals and Metallography / Ausgabe 10/2018
Print ISSN: 0031-918X
Elektronische ISSN: 1555-6190
DOI: https://doi.org/10.1134/S0031918X18100137

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