FIELD: metallurgy.
SUBSTANCE: it is implemented heating of products up to specified saturation temperature in the range 500-600°C and following isolation in saturating atmosphere for diffusion saturation of products' surface by nitrogen. Heating of products up to required saturation temperature is implemented in inert atmosphere. After heating it is implemented isolation in air atmosphere with formation on surface of details of area made of ferric oxides. Isolation in saturating atmosphere is implemented with receiving of diffusion layer in the form of nano-particles from nitrides of alloying elements and nitrogen in solid solution of alpha iron.
EFFECT: it is increased hardness and wear resistance of products ensured by receiving of evenly hardened layer without distortion with keeping of initial geometry.
2 dwg, 1 tbl, 4 ex
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD OF CYCLIC GAS NITRATION OF STEEL DIES FOR HOT FORMING | 2012 |
|
RU2519356C2 |
| PROCESSING METHOD OF STEEL PRODUCTS IN GASEOUS MEDIUM | 2007 |
|
RU2367716C1 |
| NITRATION OF MACHINE PARTS WITH PRODUCTION OF NANOSTRUCTURED SURFACE PLY AND PLY COMPOSITION | 2012 |
|
RU2522872C2 |
| METHOD OF CYCLIC GAS NITRATION OF STRUCTURAL ALLOY STEEL PARTS | 2015 |
|
RU2614292C1 |
| METHOD FOR CYCLIC GAS NITRIDING OF PARTS FROM HIGH-ALLOY STEELS | 2018 |
|
RU2692006C1 |
| METHOD FOR NITRIDING CORROSION-RESISTANT AND HIGH-ALLOY STEELS | 2020 |
|
RU2756547C1 |
| METHOD OF THE HIGH-TEMPERATURE NITRATION OF THE DETAILS MADE OUT OF THE CORROSION-RESISTANT NICKEL-CHROMIUM STEELS | 2004 |
|
RU2287608C2 |
| ION-PLASMA PRECISION NITRIDING OF METAL PART SURFACE | 2013 |
|
RU2555692C2 |
| METHOD FOR ION NITRIDING OF PRODUCTS MADE OF CONSTRUCTION ALLOY STEELS | 2020 |
|
RU2760309C1 |
| METHOD OF HIGH-STRENGTH ALLOYED POWDER STEELS PRODUCTION | 1995 |
|
RU2079392C1 |
