A sliding member includes an overlay formed with an alloy plated film of Bi and Sb, the Sb concentration increasing in the overlay with the depth from the surface of the overlay.

A sliding member including an overlay capable of realizing good fatigue resistance while preventing interlayer peeling. The sliding member includes an overlay formed of an alloy plating film of Bi and Sb. The overlay contains Bi, Sb, and unavoidable impurities. The concentration of Sb on the surface of the overlay is 0.92% by mass or more and 13% by mass or less.

A low friction wear surface with a coefficient of friction in the superlubric regime including graphene and nanoparticles on the wear surface is provided, and methods of producing the low friction wear surface are also provided. A long lifetime wear-resistant surface including graphene exposed to hydrogen is provided, including methods of increasing the lifetime of graphene containing wear surfaces by providing hydrogen to the wear surface.

A sliding member including an overlay capable of realizing good fatigue resistance while preventing interlayer peeling. The sliding member includes an overlay formed of an alloy plating film of Bi and Sb. The overlay contains Bi, Sb, and unavoidable impurities. The concentration of Sb on the surface of the overlay is 0.92% by mass or more and 13% by mass or less.

A sliding member includes an overlay formed with an alloy plated film of Bi and Sb, the Sb concentration increasing in the overlay with the depth from the surface of the overlay.

A sliding mechanism excellent in seizure resistance is provided. A sliding mechanism including a lubricating oil interposed at a sliding surface between a DLC coating sliding member (A) and a sliding member (B), wherein the DLC coating sliding member (A) has a DLC film covered on a base material, and metal films in an island configuration are covered on a surface of the DLC film.

Some variations provide a low-adhesion coating comprising a continuous matrix containing a first component, a plurality of inclusions containing a second component, and a solid-state lubricant distributed within the coating, wherein one of the first component or the second component is a low-surface-energy polymer, and the other of the first component or the second component is a hygroscopic material. The solid-state lubricant may be selected from graphite, graphene, molybdenum disulfide, tungsten disulfide, hexagonal boron nitride, or poly(tetrafluoroethylene) or other fluoropolymers. The solid-state lubricant particles may be coated with a metal selected from cadmium, lead, tin, zinc, copper, nickel, or alloys containing one or more of these metals. The solid-state lubricant is typically characterized by an average particle size from about 0.1 m to about 500 m. The solid-state lubricant is preferably distributed throughout the coating.

A low friction wear surface with a coefficient of friction in the superlubric regime including graphene and nanoparticles on the wear surface is provided, and methods of producing the low friction wear surface are also provided. A long lifetime wear-resistant surface including graphene exposed to hydrogen is provided, including methods of increasing the lifetime of graphene containing wear surfaces by providing hydrogen to the wear surface.

A method for coating a surface of a moving part of a vehicle may include a coating preparation process of disposing a screen having a plurality of meshes to be distanced from a surface of the moving part of the vehicle to be coated depending on a predetermined spaced distance; and a coating layer deposition process of forming a coating layer having a pattern having a shape in which a plurality of embossings corresponding to the mesh shape is repeated on the surface of the moving part of the vehicle by a vacuum deposition scheme and forming the coating layer so that the adjacent emboss is connected to each other.

A mixed powder for powder metallurgy having excellent green compact strength and ejectability is provided. The mixed powder for powder metallurgy includes an iron-based powder; and a copolymerized polyamide, in an amount of 0.3 to 2.0 parts by mass per 100 parts by mass of the iron-based powder, having a melting point of 80 C. to 116 C.