METHOD FOR ADDITIVE LASER DEPOSITION OF A WEAR-RESISTANT NON-MAGNETIC COATING ON THE PROTECTIVE ELEMENTS OF THE HOUSING OF ROTARY CONTROLLED SYSTEMS Russian patent published in 2023 - IPC B23K26/342 B23K26/144 C23C24/08 C23C26/02 C21D1/74 B24C1/04 

Abstract RU 2799193 C1

FIELD: mechanical engineering.

SUBSTANCE: invention relates to the methods of additive technologies for creating protective coatings, in particular to a method for layer-by-layer laser cladding of non-magnetic powder material on the surface of the protective elements of the housing of rotary controlled systems made of non-magnetic steel. The method is characterized in that the surface of the protective element is activated, a powder mixture of tungsten carbide or titanium carbide with PGSR-4, taken respectively in a mass ratio of (3-4)/(6-7), is activated, a coating is applied from the specified activated powder mixture laser cladding in an inert gas environment with a powder mixture feed rate of 15-30 g/min into the laser beam coverage area, with a laser beam power of 1.5-3 kW and a laser head movement speed of 2-4 mm/s, and after the coating is formed, heat treatment in vacuum at a temperature of 700-850°C for 40-80 minutes.

EFFECT: increased resistance of the system to hydroabrasive wear and intense loads in difficult geological operating conditions.

6 cl, 1 dwg, 3 ex

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RU 2 799 193 C1

Authors

Kayurov Konstantin Nikolaevich

Eremin Viktor Nikolaevich

Napreeva Svetlana Konstantinovna

Buyakova Svetlana Petrovna

Gordienko Antonina Ildarovna

Abdulmenova Ekaterina Vladimirovna

Sevostyanova Irina Nikolaevna

Buyakov Ales Sergeevich

Kozlova Tanzilya Vakilevna

Gomorova Yuliya Fedorovna

Mejsner Stanislav Nikolaevich

Dates

2023-07-04Published

2022-11-26Filed