FIELD: powder metallurgy.
SUBSTANCE: invention relates to powder metallurgy, in particular to the production of porous material based on titanium nickelide by self-distributing high-temperature synthesis. It can be used in medicine, in particular for surgical implants. A quartz tube with a mixture of nickel and titanium powders is placed in a reactor, the volume of which exceeds the volume of a reaction mixture by 15-20%. The reactor is filled with a gas mixture consisting of 20-30% of nitrogen and 70-80% of argon, with an excess pressure of 0.15 ± 0.05 MPa, preheating is carried out, SHS reaction is initiated, and titanium nickelide synthesis, cooling and unloading of the target product is carried out.
EFFECT: fatigue strength of a porous alloy is increased in corrosive tissue fluids under cyclic loads from a living organism.
1 cl, 8 dwg
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