FIELD: metallurgy.
SUBSTANCE: before building-up there is performed mechanical treatment of worn-out part to remove layer at depth sufficient for sealing microscopic fractures while applicating restoration layer. Sealing produces a restoration steel layer containing at least one of the following alloying elements, wt %: chromium 0.8-6.4, aluminium 0.5-1.5, and silicon 0.9-2.0. Further there is carried out anodizing in salt solution with current of 0.03-0.12 A/cm2 density during two hours at temperature 1025-1190 K using an auxiliary electrode; upon cooling the part is subject to finish mechanical treatment to a nominal dimension.
EFFECT: restoration of service life of parts and increased efficiency and reliability of their successive operation.
2 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD OF THERMAL TREATMENT OF STEEL PARTS | 1993 |
|
RU2061089C1 |
| METHOD FOR RESTORING WORN PARTS OF ALUMINUM ALLOYS | 2002 |
|
RU2236336C2 |
| PRE-ALLOYED IRON-BASED POWDER, IRON-BASED POWDER MIXTURE CONTAINING PRE-ALLOYED IRON-BASED POWDER, AND METHOD OF MAKING PRESSED AND SINTERED PARTS FROM IRON-BASED POWDER MIXTURE | 2015 |
|
RU2699882C2 |
| METHOD OF RECONDITIONING PARTS FROM ALUMINIUM ALLOYS | 2012 |
|
RU2482949C1 |
| ELECTRODIFFUSION THERMAL TREATMENT OF HOLLOW PART FROM STEEL | 2010 |
|
RU2450084C1 |
| METHOD OF PRODUCING ROLLER WITH BUILT-UP BY WELDING MATERIAL AND METHOD OF RECONDITIONING WORN-OUT ROLLER BY MEANS OF OVERLAYING WELDING | 2009 |
|
RU2597474C2 |
| METHOD OF RECONDITIONING PNEUMATIC SEEDER UNIT SEED DISC | 2012 |
|
RU2510318C2 |
| WORN SURFACE OF STEEL PARTS RESTORATION METHOD | 2005 |
|
RU2299115C1 |
| METHOD OF PARTS BORATING | 2000 |
|
RU2164963C1 |
| METHOD OF RECLAIMING SUPPORT OF FREIGHT CAR BOGIE PARTS | 2008 |
|
RU2394673C1 |
