108results about How to "Meet wear resistance requirements" patented technology

The invention discloses an on-line laser processing equipment used for strengthening and toughening of the surface of a steel rail, comprising a laser processing lathe and a power system container. The laser processing lathe comprises a motion actuating mechanism, a laser processing head and / or a control system and a powder feeder which are arranged on a moving cart; and the power system container comprises a power generator, a refrigerator, an air compressor, a cool drying machine and a high-voltage power supply of a laser which are arranged in the container. The laser processing head can be arranged on the motion actuating mechanism and is directly connected with the laser or connected with the laser by a light-guiding system. The invention can complete the laser surface quenching, fused quenching, alloying and cladding treatment of various steel rails which comprises a stock rail, a curve, a guide rail, a switch and the like under the premise that the steel rail is not dismounted and the normal running of trains, thus leading the wear resistance of the processed steel rail to be improved greatly and having the characteristics of simple assembly and disassembly, high processing precision and simple operation and control.

The invention provides a titanium and titanium alloy surface antioxidant wear-resistant composite coating and a manufacturing method thereof and belongs to the technical field of surface treatment. The titanium and titanium alloy surface antioxidant wear-resistant composite coating and the manufacturing method thereof are used for solving the problems of a protective layer used for achieving high-temperature oxidation resistance of the surface of titanium alloy and improving the abrasion resistance of the surface of the titanium alloy in the prior art. The composite coating is composed of an inner oxygen isolating layer and an outer abrasion-resistant anti-oxidation layer. The oxygen isolating layer is an aluminized coating rich in aluminum, and the main component of the oxygen isolating layer is Til3. The abrasion-resistant anti-oxidation layer is made of high-hardness ceramic containing Al2O3 and TiO2. The manufacturing method comprises the steps that 1, pretreatment of the surface of titanium or titanium alloy; 2, aluminizing treatment of the surface of the titanium or titanium alloy; 3, micro-arc oxidation treatment of the surface of the titanium or titanium alloy. The method is simple and suitable for industrial use. The composite coating is better in high-temperature oxidation resistance compared with an existing protective coating, the problems that through cracks are caused and the bonding force of a painting layer is poor during ordinary aluminizing are solved, the problems that the titanium alloy subjected to ordinary micro-arc oxidation is insufficient in hardness, and nitrided modified coating is thin are also solved, and the requirements of most titanium alloy parts for abrasion resistance are met.

The invention discloses a reinforced friction material of copper-based particle in the friction material making domain, which comprises the following parts: 30-70% Cu, 4-11% Sn, 1-15% Al, 5-18% Fe, 2-15% Al2O3, 2-15% SiO2, 0-15% ferrochrome and 5-20% graphite.

The invention provides an abrasion resistant material which comprises a polymeric matrix composite, preferably selected from the group comprising amorphous thermoplastics and resins, containing homogenously dispersed nanoparticles ranging in size from 1 to 50 nm, further combined with clusters of the said nanoparticles, or a combination of nanoparticles of different sizes within the above stated range. Furthermore, the invention provides a method of preparation of this material and automotive parts containing these materials.

The invention relates to a ceramic preform, a preparation method thereof, a ceramic wear-resistant structure and a wear-resistant part. The preparation method comprises the following steps: sinteringa ceramic biscuit prepared on the basis of a photocuring 3D printing process, and carrying out nickel plating treatment to obtain the ceramic preform; the obtained ceramic preform is a hemispheroid ora sphere with a foam structure. Through arrangement of the semispherical or spherical structure, when the ceramic preform is subjected to external force action, the base body can provide the maximumsupporting effect for the outer surface; and because of nickel plating treatment, the preform has good wettability on casting molten metal, the molten metal can conveniently permeate into a cavity ofthe ceramic preform in a casting process to be compounded with the preform into a whole to play a supporting role, the overall wear resistance and toughness are improved, and the preform is firm in combination and not prone to damage and stripping. The ceramic preform or the ceramic wear-resistant structure is configured according to different wear degrees and strengths of different parts of the wear-resistant part, so that the wear-resistant requirements of special parts of the wear-resistant part are met, the overall wear-resistant toughness is improved, the service lifetime is prolonged, and the maintenance period is shortened.

The invention relates to an integrated floor-heating flexible ceramic tile and a production method thereof. The integrated floor-heating flexible ceramic tile combined by a flexible ceramic layer and a polymer composite electric-heating film is good in flexibility, high in tear resistance, high in elongation at break, high in heat resistance, high in heat efficiency, fast in heating, and the like. The flexible ceramic layer is produced by inorganic powder and polymer materials, and the polymer materials are water-borne epoxy resin emulsion, water-soluble epoxy resin curing agent, rubber elastomer and fluorine-containing polyacrylate elastic emulsion. The polymer composite electric-heating film comprises a polyurethane resin heat-conducting insulating layer, a carbon nanotube polyurethane resin heating layer, a polyurethane resin insulating layer and electrodes. The polymer composite electric-heating film is formed by the heat-conducting insulating layer semi-cured by polyurethane resin, the heating layer semi-cured by carbon nanotube polyurethane resin and the insulating layer semi-cured by polyurethane resin through hot pressing. The soft ceramic layer is integrally connected with the polymer composite electric-heating film through the polyurethane resin heat-conducting insulating layer to form the integrated floor-heating flexible ceramic tile.

The invention discloses a wind generating set flange, which includes a flange body, wherein water inorganic zinc rich paint is sprayed on the surface of the flange body to form a wear-resistant protective coating after solidification, and the surface of the flange body requires sand blasting before spraying the water inorganic zinc rich paint. The invention aims to provide the wind generating set flange taking the water inorganic zinc rich paint as the wear-resistant coating and the wear-resistant coating technology of the flange, and the water inorganic zinc rich paint sprayed on the surface of the flange body not only can satisfy the requirement for the twenty-year anticorrosion service life of the wind generating set flange, but also can satisfy the technical performance requirements for the wear resistance and the engaging force of the mutually-connected flange surfaces.

The invention discloses a non-polluting wear-resistant seam allowance rubber material and a preparation method thereof. The rubber material comprises the following components in percentage by weight,20-50 phr of natural rubber, 15-35 phr of butadiene styrene rubber, 10-30 phr of butadiene rubber, 15-35 phr of ethylene propylene rubber, 50-80 phr of carbon black, 1-10 phr of a softening agent, 2.0-5.0 phr of zinc oxide, 1.0-3.0 phr of stearic acid, 1.0-4.0 phr of a triazine anti-aging agent, 0.5-3.0 phr of a phenolic antioxidant, 1.0-2.5 phr of sulfur, 0.3-1.0 phr of alkylphenol disulfide, 1.0-3.0 phr of an accelerant and 4-8 phr of other components. The non-polluting wear-resistant seam allowance rubber material solves the problem of migration pollution of a seam allowance part of a new generation of color tire on the premise of meeting the key performances of wear resistance, protection and the like of the seam allowance rubber material.

The invention relates to a transparent paste beautification sealer curing agent for tiles and a preparation method thereof. A component B of the curing agent adopts a cycloamine curing agent 1.3bis(aminomethyl)cyclohexane for modification reaction to reduce the number of contained active bonds and lower the reaction activity of the curing agent, thus reaching the effects of controlling the curingspeed and eliminating a matte surface on the surface of a cured product. Epoxy resin is used as a chain extender of the curing agent to improve the compatibility between the curing agent and resin, and at the same time, D400 polyetheramine, D2000 polyetheramine and T5000 polyetheramine are mixed with epoxy resin for modification under certain operation conditions, thus obtaining a raw material ofbeautification sealer curing agent for tiles with moderate viscosity, good weather resistance, good water resistance, fast curing speed, high glossiness and moderate rigidity and softness.