METHOD FOR SURFACE HARDENING OF WORKING MEMBER OF AGRICULTURAL MACHINE Russian patent published in 2025 - IPC C23C4/10 C23C4/137 C23C14/16 C23C14/24 C23C14/48 

FIELD: agriculture; performing operations.

SUBSTANCE: invention relates to a method for surface hardening of a working member of an agricultural machine. Layers of three-layer film are successively synthesized on the surface of said working element made from polycrystalline steel by corpuscular alloying. Said three-layer film comprises the following layers: a titanium nitride layer, a tungsten dinitride layer and a titanium nitride layer. At that, titanium and tungsten targets are successively sputtered with nitrogen ions with radiation dose (1.8-2.4)⋅10¹⁶ ion/cm², at voltage and current value of gas discharge – V_d=380 V and I_d=0.5 A, at voltage and current value on each specified target – V_t=2 kV and I_t=60 mA and at voltage and current value on said working element of agricultural machine – V_p=20 kV and I_p=10 mA.

EFFECT: increasing the service life of the working element of an agricultural machine.

1 cl, 1 dwg, 1 ex