Title:
The sliding element which coated, especially a piston ring
Document Type and Number:
Japanese Patent JP6057911
Kind Code:
B2
Abstract:
The invention relates to a sliding element, such as a piston ring, comprising a coating on at least one surface comprising, form inside to outside, a bonding layer, a metal DLC layer preferably containing tungsten, and a metal-free DLC layer doped with nitrogen at least in some regions, wherein said sliding element is characterized in that the nitrogen content in the metal-free DLC layer is graduated.
Inventors:
Kennedy, Marx
Zinabolt, michael
Zinabolt, michael
Application Number:
JP2013540361A
Publication Date:
January 11, 2017
Filing Date:
November 24, 2011
Export Citation:
Assignee:
FEDERAL-MOGUL BURSCHEID GMBH
International Classes:
F16J9/26; C23C14/06; C23C16/27; F02F5/00
Domestic Patent References:
| JP2011519394A | ||||
| JP200232907A |
Foreign References:
| WO2009121719A2 |
Attorney, Agent or Firm:
Sakai International Patent Office