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
| Title | Year | Author | Number |
|---|---|---|---|
| VALVE | 2004 |
|
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