The disclosure provides for a valve including a surface movably engaged with another surface. A coating is on the surface and is characterized by: a CoF of less than 0.1; a hardness in excess of 1,200 HVN; impermeability to liquids at pressures ranging from 15 and 20,000 psi; a surface finish of 63 or less; and a thickness ranging from 0.5 to 20 mils. The disclosure provides for material constructions including a continuous phase, including a transition metal, and a discontinuous phase, including a solid dry lubricant. The disclosure also provides for a method of depositing a coating that includes depositing a first layer of a coating onto a surface using electroplating, electroless plating, thermal spraying, or cladding, and then depositing a second layer of the coating onto a surface of the first layer using sputtering, ion beam, plasma enhanced chemical vapor deposition, cathodic arc, or chemical vapor deposition.

The present invention relates to a coating for high-temperature uses with tribological stress. The coating comprises a multi-layer system and a top lubricant layer, the top lubricant layer containing molybdenum as a main component.

The present invention relates to a coating for high-temperature uses with tribological stress. The coating comprises a multi-layer system and a top lubricant layer, the top lubricant layer containing molybdenum as a main component.

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.

Problems addressed by the present invention are to provide a lubricant composition that is capable of being used as an alternative to chemical conversion treatment by means of phosphate, to provide a lubricant composition having practical stable lubricative performance without the need for additional unwanted operations, and to provide a method for using this to form a lubrication coating, and a metal workpiece at which a lubrication coating is formed on a surface thereof. Provided as a means for solving such problems is a lubricant composition for causing formation of a hemimorphite-containing lubrication coating that contains a silicate compound (e.g., colloidal silica) and water-soluble zinc in solution.

Problems addressed by the present invention are to provide a lubricant composition that is capable of being used as an alternative to chemical conversion treatment by means of phosphate, to provide a lubricant composition having practical stable lubricative performance without the need for additional unwanted operations, and to provide a method for using this to form a lubrication coating, and a metal workpiece at which a lubrication coating is formed on a surface thereof. Provided as a means for solving such problems is a lubricant composition for causing formation of a hemimorphite-containing lubrication coating that contains a silicate compound (e.g., colloidal silica) and water-soluble zinc in solution.

A coated component is provided that has a relatively low friction coating across a broad temperature range. The coated component includes a substrate having a surface and a wear coating over the surface of the substrate. The wear coating includes dual lubricant constituents diffused within a matrix phase. The wear coating may have an operating temperature range of 35 C. to 850 C. while having a coefficient of friction that is 0.15 to 0.5.

A coating to reduce friction, the coating including an amorphous metal, and a solid lubricant. The solid lubricant may be dispersed with the amorphous metal throughout the coating, or the solid lubricant may form a layer on top of the amorphous metal. The coating may be applied to various components such as aircraft components, gas turbine engine components, etc., to reduce friction.

A coating to reduce friction, the coating including an amorphous metal, and a solid lubricant. The solid lubricant may be dispersed with the amorphous metal throughout the coating, or the solid lubricant may form a layer on top of the amorphous metal. The coating may be applied to various components such as aircraft components, gas turbine engine components, etc., to reduce friction.

A sliding device includes a first sliding body and a second sliding body. A first sliding face that is a surface of the first sliding body and a second sliding face that is a surface of the second sliding body slide against each other in a hydrogen atmosphere. The first sliding body includes a first solid lubricant film forming the first sliding face. The second sliding body includes a second solid lubricant film forming the second sliding face. The first solid lubricant film is made of a material having an amorphous structure. The second solid lubricant film is made of a material having a layered structure.