US 12,319,887 B2
Lubricant composition for initial break-in, sliding member, and sliding member manufacturing method
Norihiro Kimoto, Tokyo (JP); Tomohiro Goto, Tokyo (JP); and Hiroki Kageyama, Tokyo (JP)
Assigned to DAICEL CORPORATION, Osaka (JP)
Filed by DAICEL CORPORATION, Osaka (JP)
Filed on Jul. 10, 2023, as Appl. No. 18/349,809.
Application 18/349,809 is a division of application No. 17/275,080, granted, now 11,739,279, previously published as PCT/JP2019/034676, filed on Aug. 28, 2019.
Claims priority of application No. 2018-169388 (JP), filed on Sep. 11, 2018; application No. 2018-208067 (JP), filed on Nov. 5, 2018; application No. 2019-008241 (JP), filed on Jan. 22, 2019; and application No. 2019-124465 (JP), filed on Jul. 3, 2019.
Prior Publication US 2023/0348808 A1, Nov. 2, 2023
Int. Cl. C10M 125/02 (2006.01); C10M 169/04 (2006.01); F16C 33/04 (2006.01); C10N 20/06 (2006.01); C10N 30/06 (2006.01); C10N 40/02 (2006.01); C10N 50/00 (2006.01)
CPC C10M 125/02 (2013.01) [C10M 169/04 (2013.01); F16C 33/043 (2013.01); C10M 2201/041 (2013.01); C10N 2020/06 (2013.01); C10N 2030/06 (2013.01); C10N 2040/02 (2013.01); C10N 2050/015 (2020.05)] 10 Claims
OG exemplary drawing
 
1. A sliding member comprising a base material and an iron oxide film provided on a surface of the base material,
the iron oxide film including carbon having, in a spectrum obtained through TEM-EELS measurements, a pi star (π*) peak observed in a loss energy range from 280 to 290 eV, and sigma star (σ*) peaks observed in a loss energy range from 290 to 295 eV, a loss energy range from 295 to 300 eV, and a loss energy range from 302 to 310 eV, respectively,
wherein carbon or carbon compound that is constituted by the carbon is dispersed in an iron oxide matrix, and the carbon comprises carbon derived from diamond and carbon derived from a carbon material other than diamond.