51results about How to "Good self-lubricating properties" patented technology

The invention discloses a continuous carbon fiber sucker rod with a wear-resistant protective layer and a preparation method thereof, comprising a sucker rod body, a glass fiber layer coated on the surface of the sucker rod body, and a glass fiber layer coated outside A wear-resistant layer, the wear-resistant layer includes a fiber reinforced fabric and a thermoplastic resin layer coated on the surface of the fiber-reinforced fabric, the thermoplastic resin layer is evenly mixed with hard wear-resistant particles, so that the surface of the wear-resistant layer is evenly distributed with the Hard wear-resistant particles. Hard wear-resistant particles are evenly distributed on the surface of the sucker rod. Through the high hardness and wear resistance of the inorganic hard particles and the spherical ball form formed with the mesh fabric structure, the wear resistance of the wear-resistant layer on the surface of the composite sucker rod is strengthened. Partial wear characteristics. At the same time, the hard wear-resistant particles also play the role of interface mechanical engagement at the part in contact with the sucker rod body interface, preventing the slipping and delamination of the wear-resistant protective layer from the sucker rod surface.

The invention was about a method of preparation of Fe-base self lubrication wear-resisting alloy. It was prepared by using medium-frequency induction furnace. It has a high mechanical robustness, heat-durability and high temperature inoxidizability. It exhibited the property of low friction, stand wear and tear, self lubrication under the operating temperature of 20-600 deg.C, it fit for making mechanical bearing, axile bus, operating slide, bearing bush, airtight packing and actuated valve that using in the metallurgy, energy, material, petrochemical engineering industry, which has a broad application prospect.

The invention belongs to the technical field of lubricating functional materials, in particular to a low-friction self-lubricating acrylic resin, a preparation method and application thereof, and a low-friction self-lubricating marine antifouling coating. The structure of the low-friction self-lubricating acrylic resin provided by the present invention is grafted and introduced with silicone oil groups to construct a low-friction self-lubricating interface, which significantly improves the mechanical properties of the low-friction self-lubricating acrylic resin and is beneficial to improving the stability of the self-lubricating interface; Grafting introduces unsaturated organic acid divalent metal ion salt structure and sulfonic acid inner salt, which is beneficial to enhance the static antifouling performance of low-friction self-lubricating acrylic resin and prolong the antifouling effect; fluorine-containing acrylate structure and silicone oil structure are introduced together The main chain of the low-friction self-lubricating acrylic resin is beneficial to reduce the surface energy of the paint coating containing the low-friction self-lubricating acrylic resin and enhance the drag reduction performance.

The invention discloses a rolling bearing taking carbon graphite or electrographite as an integral holder, which comprises a bearing outer ring, an inner ring, a rolling body embedded between an outer ring roller path and an inner ring roller path, and a holder which uniformly separates the rolling body along a circumferential direction and is integrally formed by machining the carbon graphite or an electrographite pipe or an electrographite ring. The integral holder is made of the carbon graphite or the electrographite which has the advantages of high temperature resistance, low temperature resistance, corrosion resistance, and high strength, self-lubricating performance and machining performance, so that the holder is not a short slab which constrains the upper limit and the lower limit of the using temperature and the corrosion resistance of the bearing any longer. In an ultrahigh temperature, ultralow temperature or strong acid, alkali and salt medium invaded environment in which lubricating oil or lubricating grease cannot work, by using the carbon graphite or electrographite integral holder, the lubricating oil or the lubricating grease is not filled into the bearing, so that the invention has very high engineering application value.

The invention provides a solid lubrication composite coating on the surface of a base body. The composite coating is composed of hard phase nanocrystalline CrC and a lubricating phase a-C, a CrC / a-C composite coating is formed, the characteristics that the CrC hard coating is high in hardness and low in abrasion are kept, and meanwhile the excellent self-lubricating property of the a-C material is achieved. The multi-arc ion plating technology is adopted, metal Cr serves as a target material, high-purity Ar serves as working gas, C2H2 serves as reaction gas, the CrC / a-C composite coating is deposited on the surface of the base body, and the content of the CrC phase and the a-C phase in the composite coating can be regulated and controlled by controlling the flow of the Cr target current and the reaction gas C2H2. The hardness of the composite coating reaches up to 31 GPa, the abrasion rate reaches the magnitude of 10<-16> m<3> / N.m, the friction coefficient in the atmospheric environment is lower than 0.2, the base body working in the high-abrasion and high-friction environment can be well protected, and very high application value is achieved.

The invention discloses a CrSiC composite coating for a water-based liquid environment as well as a preparation method and application of the CrSiC composite coating. The CrSiC composite coating comprises a composite structure of hard-phase nanocrystalline CrC and lubricating-phase amorphous carbon a-C: H / Si.. The lubricating phase is a matrix, and the hard phase is dispersed and distributed in the matrix. The preparation method comprises the following steps: by adopting a multi-arc ion plating technology, by taking CrSi alloy as a target material, the protective gas as the working gas and C2H2 as the reaction gas, the negative bias is applied to the matrix, the target current is applied to the CrSi alloy target, and deposition is carried out on the surface of the matrix to form the CrSiCcomposite coating. The CrSiC composite coating has the advantages of low internal stress, high density, low friction, low wear and the like in a water environment, is suitable for matrix protection under high-wear and high-corrosion working conditions in a water-based liquid environment, and can improve the comprehensive performance of the matrix and prolong the service life of the matrix.