ION-PLASMA ALLOYING METHOD OF PRODUCT SURFACE Russian patent published in 2013 - IPC C23C14/48 

FIELD: machine building.

SUBSTANCE: method involves formation of a plasma bunch acting on the treated surface in a plasma unit chamber in working gas medium under action of high voltage applied to anode and cathode, with introduction to a surface layer of implanted material; at that, plasma bunch is formed at increased gradient of electric field between a cathode and anode in its outlet section owing to shortening the distance between them without creation of breakdown in the working gas medium at the initial stage of a discharge and formation between the anode having expansion on the side of treated surface and treated surface of toroid-shaped plasma inductive energy accumulator, and its action on the treated surface at the time interval of 30 to 200 microseconds.

EFFECT: method allows increasing the coating strength owing to increasing the efficiency of action of plasma bunch on the treated surface.

3 dwg, 1 ex