SLIDING MEMBER - NIPPON PISTON RING CO LTD

Title:

SLIDING MEMBER

Document Type and Number:

WIPO Patent Application WO/2019/107442

Kind Code:

A1

Abstract:

[Problem] To provide a sliding member, such as a piston ring for an internal combustion engine, which exhibits low friction and excellent toughness. [Solution] This problem can be solved by a sliding member 10, such as a piston ring, in which a sliding surface 11 is coated with a Cr-B-Ti-V-(Mn, Mo)-N-based alloy coating film 2, which contains Mn and/or Mo, and in which the total content of Mn and Mo is 2 mass% or less. It is preferable for the content of B to be 0.1-1.5 mass%, for the content of V to be 0.05-1 mass%, and for the content of Ti to be 0.05-1.5 mass%.

Inventors:

CHIDA NORIAKI (JP)
SEKI SHOTA (JP)

Application Number:

PCT/JP2018/043853

Publication Date:

June 06, 2019

Filing Date:

November 28, 2018

Export Citation:

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Assignee:

NIPPON PISTON RING CO LTD (JP)

International Classes:

C23C14/06; C22C27/06; C22C38/00; C22C38/18; F02F5/00; F16J9/26

Domestic Patent References:

WO2016002810A1	2016-01-07
WO2001033065A1	2001-05-10
WO2016002810A1	2016-01-07

Foreign References:

US20170254418A1	2017-09-07
JP2009263717A	2009-11-12
JP2001335878A	2001-12-04
JP2000001767A	2000-01-07
JP2006265646A	2006-10-05

Other References: