Production of ultrafine-grain bioinert alloys

Yu P. Sharkeev, A. Yu Eroshenko, V. I. Danilov, I. A. Glukhov, A. I. Tolmachev

Research output: Contribution to journalArticle

Abstract

The microstructure and mechanical properties of bioinert titanium, zirconium, and niobium alloys in the ultrafine-grain state are investigated. The ultrafine-grain structure is obtained by severe plastic deformation, including multicyclic abc pressing at specified temperatures, multipass rolling in shaped rollers at room temperature, and low-temperature non-recrystallizing annealing. Annealing increases the plasticity of the ultrafine-grain alloys, without changing the grain size. As a result of two-stage treatment—severe plastic deformation and annealing—ultrafine-grain structure with grains and subgrains of mean size 0.16–0.25 μm is formed. That considerably improves the mechanical properties (ultimate strength, yield point, and microhardness) of the alloys. At the same time, the formation of ultrafine-grain structure in the alloys does not change the elastic modulus, even with considerable increase in the ultimate strength and plasticity.

Original languageEnglish
Pages (from-to)116-119
Number of pages4
JournalSteel in Translation
Volume45
Issue number2
DOIs
Publication statusPublished - 1 Mar 2015

Fingerprint

Crystal microstructure
Plasticity
Plastic deformation
Niobium alloys
Annealing
Zirconium alloys
Mechanical properties
Titanium alloys
Microhardness
Temperature
Yield stress
Elastic moduli
Microstructure
Ultrafine

Keywords

  • bioinert alloys
  • mechanical properties
  • microstructure
  • severe plastic deformation
  • titanium alloys
  • ultrafine-grain state
  • zirconium alloys

ASJC Scopus subject areas

  • Materials Science(all)

Cite this

Sharkeev, Y. P., Eroshenko, A. Y., Danilov, V. I., Glukhov, I. A., & Tolmachev, A. I. (2015). Production of ultrafine-grain bioinert alloys. Steel in Translation, 45(2), 116-119. https://doi.org/10.3103/S096709121502014X

Production of ultrafine-grain bioinert alloys. / Sharkeev, Yu P.; Eroshenko, A. Yu; Danilov, V. I.; Glukhov, I. A.; Tolmachev, A. I.

In: Steel in Translation, Vol. 45, No. 2, 01.03.2015, p. 116-119.

Research output: Contribution to journalArticle

Sharkeev, YP, Eroshenko, AY, Danilov, VI, Glukhov, IA & Tolmachev, AI 2015, 'Production of ultrafine-grain bioinert alloys', Steel in Translation, vol. 45, no. 2, pp. 116-119. https://doi.org/10.3103/S096709121502014X
Sharkeev YP, Eroshenko AY, Danilov VI, Glukhov IA, Tolmachev AI. Production of ultrafine-grain bioinert alloys. Steel in Translation. 2015 Mar 1;45(2):116-119. https://doi.org/10.3103/S096709121502014X
Sharkeev, Yu P. ; Eroshenko, A. Yu ; Danilov, V. I. ; Glukhov, I. A. ; Tolmachev, A. I. / Production of ultrafine-grain bioinert alloys. In: Steel in Translation. 2015 ; Vol. 45, No. 2. pp. 116-119.
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