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Home Biotechnologies New Magnesium-Based Alloy For Medicine

New Magnesium-Based Alloy For Medicine


In NSC KIPT new magnesium-based alloy have developed, witch distinguished by high mechanical characteristics (strength and plasticity) and by the increased corrosion stability in biosystem of a human body. On series parameters the developed material surpasses alloy WE43 biodegradable in vivo.

The offered alloy with ultra fine-grained (UFG) structure (medial grain size < 1 micron) has YS ≥ 200 MPa, UTS ≥ 300 MPa, δ ≥ 30 %, and on a corrosion resistance can compete to alloy WE43.

The production technology of material forming in a superplastic condition can be used at temperature 300oС and small strain rates for production of tubes and other products from a developed alloy. Thin-walled tubes from an alloy, fit for a cutting-out from them coronary stents and a wire by a diameter of 0.3 mm are received. Dependence of mechanical characteristics of a material on processing conditions by pressure and a high-heat treatment is explored.

Innovative Aspect and Main Advantages

  • The offered alloy in UFG a condition on mechanical characteristics surpasses production released alloy WE43.
  • Plasticity of a new alloy at ambient temperature attains 30%.
  • The alloy has well formability, which allows forming of it the fine wire, thin-walled tubes and products of composite forms.
  • Due to the increased corrosion stability the alloy can be used for manufacture of biocompatible products of medical purpose.

Areas of Application

The offered magnesium-based alloy can be used for manufacture:

  • Coronary and peripheral stents for an angioplasty.
  • Connecting products for bone surgery.
  • Parts of biosoluble devices for a radio-active irradiation in oncology.

Fig. 1 Grain structure of magnesium-based alloy in UFG condition.

Stage of Development

  • Thin-walled tubes and wire from the developed alloy are manufactured.
  • Properties of tubes and wire are explored.
  • The European patent application is fed.
  • Search of cooperation for the further development and use.

Contact Details

Papirov Igor Isakovich
National Science Center “Kharkov Institute of Physics and Technology”
Ukraine, Kharkov 61108, Akademichna str, ap. 1
Tel. +38 (057) 335-6027
E-mail: This e-mail address is being protected from spambots. You need JavaScript enabled to view it

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