| 摘要 |
FIELD: mechanical engineering, in particular, piston ring used in internal combustion engines for sealing of gap in cylinder-piston group. ^ SUBSTANCE: piston ring has wear-resistant layer and adaptation oxide layer applied to surface of wear-resistant layer. Wear-resistant layer used is oxycarbonitride layer of material from which ring is manufactured. ^ EFFECT: simplified adaptation, increased operating characteristic of friction pair and prolonged durability of article. ^ 1 dwg |
