公开(公告)号：US20200339908A1

公开(公告)日：2020-10-29

申请号：US16762550

申请日：2018-10-25

Applicant: DAICEL CORPORATION ,  TOHOKU UNIVERSITY

Inventor： Norihiro KIMOTO ,  Tomohiro GOTO ,  Koshi ADACHI ,  Tsubasa TAKAHASHI

IPC: C10M173/02 ,  C10M125/02

Abstract: The present invention provides an initial running-in agent composition suitable for forming a low-friction surface (running-in surface) on a sliding member, such as a hard carbon film, in a system in which water is used as a lubricant. The initial running-in agent composition (10) according to an embodiment of the present invention contains water 11 as a lubricant base and nanodiamond particles (12). In the initial running-in agent composition (10), a content of the water (11) is preferably 99 mass % or greater, and a content of the nanodiamond particles (12) is preferably 1.0 mass % or less.

公开(公告)号：US20190218475A1

公开(公告)日：2019-07-18

申请号：US16301932

申请日：2017-02-21

Applicant: DAICEL CORPORATION ,  TOHOKU UNIVERSITY

Inventor： Norihiro KIMOTO ,  Hisayoshi ITO ,  Ming LIU ,  Koshi ADACHI ,  Hirotsuna SATO

IPC: C10M173/02 ,  C10M103/02

CPC classification number: C10M173/02 ,  C10M103/02 ,  C10M2201/02 ,  C10M2201/041 ,  C10N2220/082 ,  C10N2230/06 ,  C10N2250/12

Abstract: A water lubricant composition (10) of the present invention contains water (11) as a lubricating base material and ND particles (12), which are hydrogen-reduced nanodiamond particles. The content of the water (11) in the water lubricant composition (10) is, for example, 90% by mass or more. The content of the ND particles (12) in the water lubricant composition (10) is, for example, 0.1% by mass or less. The water lubricant composition (10) is suitable for achieving low friction in water lubrication. A water lubricating system of the present invention includes the water lubricant composition (10) which is being used for the lubrication of a SiC member and/or a SiO2 member.

公开(公告)号：US20190195281A1

公开(公告)日：2019-06-27

申请号：US16229244

申请日：2018-12-21

Applicant: DENSO CORPORATION ,  TOHOKU UNIVERSITY ,  TOCALO Co., Ltd.

Inventor： Kentaro KISHI ,  Yasunori NIIYAMA ,  Koshi ADACHI ,  Shinya MIKI

IPC: F16C33/12 ,  F16C33/10

CPC classification number: F16C33/12 ,  C10M2201/041 ,  C10N2250/141 ,  C10N2250/18 ,  F05C2251/14 ,  F05C2253/12 ,  F16C33/10

Abstract: A sliding member includes: a base material; a solid lubricant layer arranged on a surface of the base material; a defect layer having a material defect, disposed in the solid lubricant layer, and being changeable into an ultra low friction layer by mechanical stress more easily than changing from the solid lubricant layer to the ultra low friction layer; and a ultra low friction layer covering a surface of the defect layer.