FIELD: chemical-thermal metal treatment, in particular past compositions used for equipment part cyanation in machine engineering and metallurgic industry.
SUBSTANCE: claimed composition contains 50-55 mass parts of carbamide and 50-45 mass parts of carbon black.
EFFECT: composition providing hardened layer production with high microhardness and wear resistance.
2 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD OF CARBONITRIDING METALS IN PASTES | 2003 |
|
RU2254396C1 |
| CYANIDATION METHOD OF STEEL OR TITANIC PRODUCTS | 2007 |
|