NSC KIPT

Institute of Solid State Physics Materials and Technology

 

 

Ukr

Rus

 NSC KIPT / Institute of Solid State Physics Materials and Technology

DEPARTMENT OF PURE METALS, PHYSICS OF METALS AND TECHNOLOGY OF NEW MATERIALS

SCIENTIFIC-RESEARCHING LABORATORY OF PHYSICAL BASE
OF DEVELOPMENT OF BERYLLIUM MATERIALS

  CONTACTS AIMS and TASKS ACHIEVEMENT PUBLICATIONS

 

      Employees of the laboratory of physical base of production of new beryllium materials are developing the new magnesium alloys and bio soluble stents produced of these alloys.

    

    

  High-purity magnesium with record low electrical resistance which makes at 4,65 K 0,00295 mkOhm cm (ρ300/ρ4,65=1770) was obtained by the method of multiple vacuum distillation (sublimation). Single crystal of magnesium.

 

 

 

 

 

                                                                                                   

      Temperature dependence of electrical resistance of pure magnesium in the range 4,5-300 K is studied; below we represent the comparison of obtained results with literature data.

      

Cast technical magnesium has low strength, plasticity and corrosion resistance in vivo: (sB-120MPa, elongation - 8%, corrosion to 1mm/24 hours)

The following task must be solved: improve the mechanical properties of Mg alloys twice, increase the corrosion resistance in 1000 times.

 

 

   

Mechanical properties are improved considerably by refining of structure by the methods of intense deformation, the rate of corrosion is decreased by several orders in vitro and in vivo.
 

 

Structure of Mg alloy
UFG structure, nanoprecipitates

  

serial                                   new

 Corrosion of Mg alloys
     

 

The stent design of
magnesium alloy

  

The stent of magnesium in
the vessel pigs
     

        Firstly in Ukraine investigation of biological compatibility of new materials for stents are investigated on laboratory animals (rats, rabbits, pigs).

According to preliminary data stents dissolve after 3-4 months which is sufficient for medicinal influence. Negatives reactions of tissues for presence of magnesium stents were not detected.

With the use of technologies developed in laboratory under the leadership of I.I.Papirov medical instrument of ultra fine-grained titanium is manufactured.

 

      Applicator

  

Oncological needles