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Erschienen in: Physics of Metals and Metallography 9/2022

01.09.2022 | STRENGTH AND PLASTICITY

Rotary Forging to Improve the Strength Properties of the Zr–2.5% Nb Alloy

verfasst von: S. O. Rogachev, V. A. Andreev, M. V. Gorshenkov, D. V. Ten, A. S. Kuznetsova, A. B. Shcherbakov

Erschienen in: Physics of Metals and Metallography | Ausgabe 9/2022

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Abstract

One of the techniques of severe plastic deformation, which has been used to improve the strength of the biocompatible zirconium alloy Zr–2.5% Nb (E125), is rotary forging. Swaging of an initially recrystallized alloy rod from a diameter of 12 mm to a diameter of 6.5 mm resulted in the formation of a grain–subgrain oriented microstructure characterized by a high density of dislocations and a predominance of low-angle misorientations of structural elements. These structural changes led to an increase in the yield strength and in the ultimate tensile strength of the alloy by a factor of 2.1 and 1.6, respectively. The alloy has a good plasticity margin after rotary swaging; the relative elongation is 14%. The complex of mechanical properties achieved for the Zr–2.5% Nb alloy meets the requirements for dental implant materials.
Vorheriger Artikel Structural Hardening of High-Speed Steel

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Metadaten
Titel
Rotary Forging to Improve the Strength Properties of the Zr–2.5% Nb Alloy
verfasst von
S. O. Rogachev
V. A. Andreev
M. V. Gorshenkov
D. V. Ten
A. S. Kuznetsova
A. B. Shcherbakov
Publikationsdatum
01.09.2022
Verlag
Pleiades Publishing
Erschienen in
Physics of Metals and Metallography / Ausgabe 9/2022
Print ISSN: 0031-918X
Elektronische ISSN: 1555-6190
DOI
https://doi.org/10.1134/S0031918X22090113

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