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The effect of copper doping on martensite shear stress in porous TiNi(Mo,Fe,Cu) alloys

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Abstract

The properties of alloys based on porous nickel-titanium (TiNi) with copper additives have been studied. It is established that the copper doping of porous TiNi(Mo,Fe,Cu) alloys fabricated by the method of self-propagating high-temperature synthesis leads to a significant decrease in the martensite shear stress (below 30 MPa). Low values of the martensite shear stress (σmin) in copper-doped TiNi-based alloys allows medical implants of complex shapes to be manufactured for various purposes, including oral surgery. The optimum concentration of copper additives (within 3–6 at %) has been determined that ensures high performance characteristics of TiNi-based porous alloys for medical implants.

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Authors and Affiliations

  1. Institute of Medical Materials and Shape-Memory Implants, Siberian Physicotechnical Institute, Tomsk State University, Tomsk, 634045, Russia

    V. N. Khodorenko, M. I. Kaftaranova & V. E. Gunther

Authors
  1. V. N. Khodorenko
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  2. M. I. Kaftaranova
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  3. V. E. Gunther
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Corresponding author

Correspondence to M. I. Kaftaranova.

Additional information

Original Russian Text © V.N. Khodorenko, M.I. Kaftaranova, V.E. Gunther, 2015, published in Pis’ma v Zhurnal Tekhnicheskoi Fiziki, 2015, Vol. 41, No. 6, pp. 81–89.

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Khodorenko, V.N., Kaftaranova, M.I. & Gunther, V.E. The effect of copper doping on martensite shear stress in porous TiNi(Mo,Fe,Cu) alloys. Tech. Phys. Lett. 41, 294–297 (2015). https://doi.org/10.1134/S1063785015030220

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  • DOI: https://doi.org/10.1134/S1063785015030220

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