Microstructure, mechanical and biological properties of zirconium alloyed with niobium after severe plastic deformation

Y. P. Sharkeev, A. Y. Eroshenko, K. S. Kulyashova, S. V. Fortuna, K. A. Suvorov, M. Epple, O. Prymak, V. Sokolova, S. Chernousova

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

A comparative investigation of microstructure, mechanical and biological properties for zirconium alloyed with niobium in coarse-grained and ultra-fine grained states is presented. The temperature and deformation regimes of multi-stage abc-pressing resulted in ultra-fine grained states with an average size of the structural elements in the range of 0.28-0.55 μm, depending on the accumulated strain during pressing. The increase of the accumulated strain at each stage of pressing increased the uniformity of the structure. The microhardness increased by 50% with increased accumulated strain during the severe plastic deformation. Between the microhardness and the average size of the structural elements, a linear dependence was found, indicating a Hall-Petch relationship. The alloy had a good biocompatibility as shown by an MTT test with osteoblasts (MG-63 cell line). The good mechanical properties (microhardness) of zirconium alloyed with niobium in the ultra-fine grained state make it suitable for medical applications, e. g. as implant material.

Original languageEnglish
Pages (from-to)198-204
Number of pages7
JournalMaterialwissenschaft und Werkstofftechnik
Volume44
Issue number2-3
DOIs
Publication statusPublished - Feb 2013

Fingerprint

Niobium
pressing
Zirconium
niobium
Microhardness
microhardness
plastic deformation
Plastic deformation
mechanical properties
microstructure
Microstructure
osteoblasts
Osteoblasts
Medical applications
biocompatibility
Biocompatibility
cultured cells
Cells
Mechanical properties
Temperature

Keywords

  • alloys
  • biomaterials
  • mechanical properties
  • microstructure
  • plastic deformation

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanical Engineering
  • Mechanics of Materials

Cite this

Microstructure, mechanical and biological properties of zirconium alloyed with niobium after severe plastic deformation. / Sharkeev, Y. P.; Eroshenko, A. Y.; Kulyashova, K. S.; Fortuna, S. V.; Suvorov, K. A.; Epple, M.; Prymak, O.; Sokolova, V.; Chernousova, S.

In: Materialwissenschaft und Werkstofftechnik, Vol. 44, No. 2-3, 02.2013, p. 198-204.

Research output: Contribution to journalArticle

Sharkeev, YP, Eroshenko, AY, Kulyashova, KS, Fortuna, SV, Suvorov, KA, Epple, M, Prymak, O, Sokolova, V & Chernousova, S 2013, 'Microstructure, mechanical and biological properties of zirconium alloyed with niobium after severe plastic deformation', Materialwissenschaft und Werkstofftechnik, vol. 44, no. 2-3, pp. 198-204. https://doi.org/10.1002/mawe.201300113
Sharkeev, Y. P. ; Eroshenko, A. Y. ; Kulyashova, K. S. ; Fortuna, S. V. ; Suvorov, K. A. ; Epple, M. ; Prymak, O. ; Sokolova, V. ; Chernousova, S. / Microstructure, mechanical and biological properties of zirconium alloyed with niobium after severe plastic deformation. In: Materialwissenschaft und Werkstofftechnik. 2013 ; Vol. 44, No. 2-3. pp. 198-204.
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