METHOD FOR OBTAINING HIGHLY POROUS OSTEO-INTEGRATING COATING ON IMPLANTS FROM TITANIUM ALLOYS Russian patent published in 2018 - IPC C22F1/18 C23C8/36 A61F2/02 

Abstract RU 2641594 C1

FIELD: metallurgy.

SUBSTANCE: method comprises thermodiffusion hydrogen saturation of the implant and vacuum annealing. Before thermodiffusion hydrogen saturation and vacuum annealing, a porous coating is applied on the surface of the implant by diffusion welding with the help of welding of titanium alloy fibres at a temperature of 850-950°C to the surface of the implant from titanium alloys, hydrogen saturation is carried out at a temperature of 600-650°C to a hydrogen concentration of 0.5-0.8 wt %, and the subsequent vacuum annealing - to a hydrogen concentration of not more than 0.008 wt %.

EFFECT: shearing force of the coating is increased from the monolithic substrate while maintaining its structure and properties.

4 cl, 1 dwg, 1 tbl, 8 ex

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RU 2 641 594 C1

Authors

Kollerov Mikhail Yurevich

Runova Yuliya Eduardovna

Shlyapin Sergej Dmitrievich

Skvortsova Svetlana Vladimirovna

Mamonov Andrej Mikhajlovich

Ilin Aleksandr Anatolevich

Spektor Viktor Semenovich

Dates

2018-01-18Published

2016-10-26Filed