1131results about How to "Guaranteed wear resistance" patented technology

The invention discloses a tyre crown rubber material. The tyre crown rubber material comprises the following raw materials in parts by weight: 60-80 of natural rubber, 20-40 of butadiene rubber BR9000, 0-0.4 of peptizer, 10-30 of intermediate super abrasion furnace black, 25-45 of white carbon black, 3-7 of silane coupling agent, 3-5 of zinc oxide, 1-4 of stearic acid, 1-3 of antiager 6PPD, 0-2 of antiager RD, 1-3 of microcrystalline paraffin, 1-3 of sulfur, 1.5-2.5 of accelerator, 4-6 of fatty acid salt processing agent, 0-1 of anti-reversion agent, 2-5 of environment-friendly arene oil TDAE (Treated Distillate Aromatic Extract), 1-3 of octyl phenolic aldehyde tackifying resin and 0-0.3 of scorch retarder. When mixing is carried out in three sections, partial formula raw materials are subjected to rubber material mixing, and then other formula materials are added for rubber material mixing. The tyre crown rubber material produced by using the tyre crown rubber material formula is good in comprehensive processing property, has the characteristics of low thermogenesis, ageing resistance and tearing resistance and is environment-friendly and can be used for producing green full-steel radial tyre crown.

The invention discloses a resin bendable grinding wheel and a preparation method and a device thereof. The resin bendable grinding wheel consists of brown aluminium oxide, calcined alumina, white alundum, black silicon carbide, phenolic resin powder, phenolic resin liquid, cryolite, barium sulphate, pyretic, iron oxide red, Hunori gel, alkali-free high tensile glass fiber mesh and non-woven black cloth. Compared with the prior art, through the optimization configuration on the aspect of the material selection and working procedures, the strength, the flexibility and the aging resistance of the grinding wheel are greatly improved, and at the same time, the resource and the energy are saved; and the strength of the grinding wheel is more than 80m/s, the grinding ratio is more than or equal to 1:15, the maximum bendable angle can reach 40 degrees, the tensile strength is greatly improved, the service life is prolonged by two times, the energy consumption is reduced by 5 to 10 percent, and the yield of the finished product can reach more than 99 percent.

The invention provides a method for preparing an ultra-high hardness cladding layer through the synchronous ultrasonic vibration assisting laser technology. According to the specific scheme, the method includes the steps that ultrasonic vibration is synchronously introduced in the Ni-based metal ceramic coating cladding process, mobility of liquid metal can be improved in the mode, tissue distribution is more uniform, in the solidification process, a growing dendrite net can be broken and made to be dispersed to all portions of melt, small crystal nucleuses which are uniformly distributed are formed, segregation of metal ceramic is avoided, and therefore it is guaranteed that the cladding layer is not prone to cracking when ultra-high hardness is acquired; equipment is simple, calibration and installation are facilitated, energy consumption is low, the working environment is good, and acquired coating metal ceramic particles are uniform in distribution, high in hardness and good in abrasion resistance.

The invention discloses a formula of a sole material. The sole made of the sole material can be formed in one piece to save cost, and the sole does not contain heavy metal and is light and breathable. The sole material comprises the following substances in percentage by weight: 1, 11.6 to 52.4 percent of ethylene vinyl acetute (EVA); 2, 7 to 13 percent of polyolefin elastomer (POE); 3, 1.4 to 2.6percent of ethylene-propylene-diene monomer; 4, 12.6 to 23.4 percent of standard rubber; 5, 12.6 to 23.4 percent of cis-polybutadiene; 6, 3.5 to 6.5 percent of butylbenzene; 7, 2.8 to 5.2 percent of talc powder; 8, 2.1 to 3.9 percent of white carbon black; 9, 2.1 to 3.9 percent of stearic acid; 10, 0.7 to 1.3 percent of modifier; 11, 1.05 to 1.95 percent of zinc oxide; 12, 1.4 to 2.6 percent of cross-linking agent; and 13, 0.35 to 0.65 percent of sulfur.

The invention relates to the technical field of organic and inorganic hybrid materials. In order to solve the problems that organic and inorganic components of a waterborne organic and inorganic polymer emulsion are weakly bonded and easy to separate to affect the final performance of a coating, and the process of modifying the surfaces of the inorganic components to enhance the interfacial force between the organic and inorganic components is tedious to the disadvantage of industrialization and the like, the invention provides a waterborne organic and inorganic fluorosiloxane modified acrylate polymer emulsion, wherein the emulsion uses an inorganic part formed by hydrolysis of a silane coupling agent containing an alkene unsaturated group as a core, and alkyl methacrylate, alkyl acrylate, fluorinated acrylate or fluorinated methacrylate as a shell. The waterborne organic and inorganic fluorosiloxane modified acrylate polymer emulsion provided by the invention has the excellent performances of heat resistance, scraping resistance, wear resistance, high hardness and the like, and further has the performances of antiaging, scrubbing resistance, water resistance, contamination resistance and the like. The emulsion provided by the invention is simple in preparation method and suitable for industrialized production.

The invention discloses a ceramic reinforced metal matrix abrasion-resisting compound material and a preparation method. The compound material comprises a metal matrix abrasion-resisting component body, wherein a plurality of blind holes are formed on the surface of the metal matrix abrasion-resisting component body, and self-fluxing alloy powder metallurgically bonded with the metal matrix abrasion-resisting component body and ceramic sintering bodies are arranged in the blinding holes. At a sintering temperature of a vacuum furnace, the self-fluxing alloy powder is fused and is metallurgically bonded with the abrasion-resisting component body while the abrasion-resisting component body and the ceramic are not deformed. The process is simple and the prepared material with a required hardness can be acquired without being subjected to the heat treatment. By using the preparation method, the problem that the ceramic is difficult to be bonded with a metal substrate is solved and the defect caused by a pouring process is avoided. The ceramic, alloy and metal on the surface of the abrasion-resisting component are regularly distributed, the abrasion resistance of the abrasion-resisting component is ensured and the shock resistance is also ensured.

The invention discloses slurry for a photo-curing 3D-printing dental implant as well as a preparation method and application of the slurry. The slurry contains the following raw material components: silicon nitride ceramic powder, photosensitive resin, a photoinitiator, an active diluent, a dispersing agent and an aid, wherein the volume ratio of the photosensitive resin to the silicon nitride ceramic powder is (3 to 7)-(1 to 9), the adding proportion of the photoinitiator is 0.1wt%-1.5wt% of the photosensitive resin, the adding proportion of the active diluent is 15wt%-30wt% of the photosensitive resin, the adding proportion of the dispersing agent is 0.1wt%-1.5wt% of the silicon nitride ceramic powder, and the adding proportion of the aid is 0.1%-1% of total mass of the slurry. The dental implant prepared from the slurry has good biocompatibility, and besides, the strength, breaking tenacity and wear resistance of the dental implant are greatly improved.

An antiwear tubular welding tungsten carbide electrode for strengthening the surface of steel members, such as the surface of steel roller in roller bit, is composed of the welding tube and the filler consisting of sintered tungsten carbide particles, cast tngsten carbide particles, organic adhesive and powdered alloy containing Cr, Si, B, Mn and Ni.

The invention relates to a permanent antistatic flame-retardant polyamide-6 bulked continuous filament textured carpet yarn and a preparation method. The permanent antistatic flame-retardant polyamide-6 bulked continuous filament textured carpet yarn comprises a carpet yarn body, wherein the carpet yarn body consists of two tows of flame-retardant polyamide-6 bulked continuous filaments in different colors or the same color and a tow of antistatic polyamide-6 bulked continuous filaments; single fibers in the three tows of polyamide-6 bulked continuous filaments are random three-dimensional crimped fibers; different types of fibers are randomly mixed and intertwined; and periodical net knots are arranged on the surface of the carpet yarn body. The preparation method is implemented by one step through a tri-screw bulked continuous filament (BCF) spinning machine set. The product substantially maintains the characteristics of abrasion resistance, stain resistance, resilience and the like of polyamide-6, and also has a permanent antistatic function and a flame-retardant function. According to the preparation method, the characteristics of a production process of the tri-screw BCF spinning machine set are utilized, so that the aim of spinning the antistatic flame-retardant polyamide-6 textured carpet yarn by one step is fulfilled, and the production process is simple, practical and efficient.

The antiwear lubricating paint for engine piston ring is one kind of dry film lubricant. The paint consists of compoiste adhesive, antiseptic additive, antiwear additive, surfactant and dispersing medium. It is painted to the surface of piston and high temperature cured to form firm, compact and dense solid film with excellent antiwear resistance, high impact resistance and good sealing performance.

The invention discloses a corundum-silicon nitride-silicon carbide compound castable used for a blast tuyere zone of an ironmaking blast furnace. The corundum, the silicon nitride, the silicon carbide, aluminate cement, aluminum powder, silicon metal, ultrafine silica powder, alumina powder and polypropylene fiber are mixed to form the castable. Residual brick of compound brown corundum refractory brick can be fast poured and repaired at the blast tuyere zone of the ironmaking blast furnace. When building a blast furnace, residual brick can be direct poured and formed to replace the compound brown corundum refractory forming brick and no high temperature is needed to fire during the production process; therefore, the invention is also an energy saving refractory for the blast tuyere zone of the ironmaking blast furnace and cast-place construction is not limited by space; fast pouring masonry is carried out and fast drying method is adopted, thereby being an inorganic nonmetal refractory applied to fast-drying quick furnace building and repairing during the blast furnace repairing and the tuyere zone of the newly-built blast furnace. The invention can normally furnace dry with the blast furnace.

The invention discloses a bottom surface-integrated wear-resistant fluorosilicone-based super-amphiphobic coating, and a preparation method and application thereof. The preparation method comprises the following steps: 1) performing synergistic modification treatment on two or more nanoparticles to obtain modified blended particles; 2) adding the blended modified particles into a dispersing solvent, performing ultrasonic dispersion for 1 to 2 hours and then mechanically stirring; 3) adding a certain amount of tert-butyl acetate into fluoro-siloxane resin and performing shearing dispersion to obtain substrate material emulsion; 4) mixing the blended modified particle turbid liquid in the step 2 and the substrate material emulsion in the step 3, adding a coupling agent, heating, stirring anddispersing, and performing dispersion by a high-speed shearing dispersing machine to obtain super-amphiphobic coating; and 5) stirring the super-amphiphobic coating uniformly, spray-coating the surface of an object with the super-amphiphobic coating and drying at room temperature for 10 to 30 minutes to successfully prepare the wear-resistant integrated super-amphiphobic coating. The wear-resistant super-amphiphobic organic-inorganic hybrid coating is obtained by connecting a fluorine-silicon substrate and the blended modified particles through chemical grafting copolymerization reaction.

The invention discloses a tyre, which comprises (A) tread rubber, (B) tread basal rubber, (C) sidewall rubber, (D) rebate protective rubber, (E) carcass layer rubber, (F) lining layer rubber, (G) triangle rubber, (H) belted layer rubber, (I) air-tight layer rubber and (J) tyre bead steel wire rubber. The tyre components consist of rubber compositions, wherein the rubber compositions of the (A) tread rubber, the (B) tread basal rubber, the(C) sidewall rubber and the (D) rebate protective rubber adopt white carbon black and carbon black with high specific surface area as reinforcing fillers; and the rubber compositions of the (E) carcass layer rubber, the (F) lining layer rubber, the (G) triangle rubber, the (H) belted layer rubber, the (I) air-tight layer rubber and the (J) tyre bead steel wire rubber adopt white carbon black and carbon black with low specific surface area as reinforcing fillers. The tyre has the advantages of good puncture resistance and chunking resistance, low rolling resistance and heat generating performance, and greatly-reduced production cost. The full-steel giant engineering tyre is particularly suitable for an adverse road environment such as a large-scale mine yard.

The invention belongs to the field of aluminum-based composite material and preparation technology thereof and in particular discloses a ceramic particle reinforced aluminum-based gradient composite material, a preparation method thereof and a device used by the method. The composite material uses aluminum alloy as a matrix; the volume fractions of ceramic particles serving as a reinforcement material in the surface layer and the bottom layer are between 30 and 40 percent and between 0 and 5 percent respectively; the ceramic particles perform continuous gradient variation from the surface layer to the bottom layer; and the preparation method comprises the following steps: introducing the ceramic reinforced particles to a high-pressure airflow channel by a discharge amount regulation device to form a solid phase flow and a gas phase flow; atomizing molten aluminum alloy liquid, mixing the molten aluminum alloy liquid and the ceramic particles of the solid phase flow and the gas phase flow, and precipitating the mixture on a deposition matrix to prepare a deposition billet; and controlling the discharge amount regulation device and output air pressure through a programmable logic controller according to the height information of the deposition billet to obtain the ceramic particle reinforced aluminum-based gradient composite material. The preparation method of the invention has convenient operation and high automation degree; and the prepared composite material has the advantages of light weight, high wear resistance and anticorrosion of the surface and the like.

The invention discloses a rubber idler of a belt conveyor, comprising an idle shaft and an idler steel pipe; a wear-resistant buffer layer with an arc outer surface consisting of more than one rubber rings of waste tires is sleeved on the idler shaft in the manner of interference. The invention also discloses a method for manufacturing the rubber idler of the belt conveyor. A wear-resistant idler, a buffer idler, a comb-shaped idler, a taper aligning idler, a friction aligning idler and a rubber aligning idler made of the rubber rings of waste tire are applied. Under the precondition of guaranteeing the sealing performance of the idler, the idler steel pipe or the shaft is sleeved by the wear-resistant idler, the buffer idler, the comb-shaped idler, the taper aligning idler, the friction aligning idler and the rubber aligning idler made of the rubber rings of waste tire. The idlers have comprehensive functions such as anti-corrosion, anti-tarnishing, abrasion resistance, compact resistance, aging resistance, tear resistance, light weight and large elastic force. In addition, the idlers can protect the belt and largely prolong the service life of the belt.

An oil pump shaft machining process includes steps of 1) feeding a blank; 2) turning two end faces and perforating a central hole; 3) roughly turning an outer circle with margin of 0.5 mm; 4) performing quenched-tempered heat treatment; 5) repairing and grinding the central hole; 6) finely turning an outer circle, grooving, turning a thread, and reserving grinding allowance of 0.3 mm after finely turning the outer circle; 7) milling a key slot; 8) cold rolling a spline; 9) locally quenching the outer circle surface at high frequency; 10) annealing at the low temperature, heating to 150-180 DEG C during annealing at the low temperature and preserving temperature for 2.5 hours; 11) repairing and grinding the central hole; 12) finely grinding the outer circles. By the oil pump shaft machining process, contact positions of a machined oil pump shaft with a deep groove ball bearing, an oil seal and a slide bearing are good in wear resistance, and the machined oil pump shaft is high in small-modulus spline machining efficiency, good in tooth form structure, resistant to impact and high in strength.

The invention relates to a high-carbon gray cast iron automobile brake disk and a production method thereof. The high-carbon gray cast iron automobile brake disk comprises the following chemical components in percentage by weight: 3.7-3.8% of C, 0.5-0.8% of Mn, 0.3-0.5% of Cu, 0.1-0.2% of Cr, 0.2-0.4% of Mo, 1.6-2.0% of Si, 0.1-0.2% of N, 0.01-0.12% of P, 0.05-0.12% of S and the balance of Fe. The brake disk provided by the invention has the outstanding characteristics of small brake temperature rise, abrasion resistance, favorable heat fatigue resistance effect and the like; the performance of an automobile brake system can be obviously improved, and the service life can be obviously prolonged; and meanwhile, the potential safety hazard caused by ineffective brake due to high temperature can be effectively eliminated. Thus, the high-carbon gray cast iron automobile brake disk has high economic value.

The invention relates to an adhesive tape composed of a carrier and of an adhesive layer applied on at least one side, the carrier being a woven fabric, preferably a woven polyester fabric, characterized in that the ratio of the linear density per unit length of the transverse threads to the linear density per unit width of the longitudinal threads is between 2.2 and 6 and the carrier has a basis weight of greater than or equal to 110 g/m2.

The invention discloses a method for preparing a super-flat glaze-polished ceramic tile from coal gangue. By adopting a double-layer green body and reasonable green body formula and grain size gradation, the coal gangue is used as a main production raw material of the green body to the maximum extent; meanwhile, by raising the initial melting temperature of a ground coat layer, gas in the green body is exhausted as much as possible; in addition, a wear-resisting fritted glaze is adopted in a cover coat layer, so that the melting temperature of the glaze is reduced, and the abrasive hardness of the glaze is guaranteed; finally, the strength of a brick body and the flatness of the glaze are improved by adopting a high-temperature and heat-insulating mode. According to the method disclosed by the invention, by using the coal gangue as the main raw material and the wear-resisting fritted glaze, resource utilization of wastes is effectively realized, the sintering temperature is greatly lowered, the sintering period is shortened, and the production cost is remarkably reduced, so the method has a broad market prospect.

The invention discloses a high silicon-aluminum alloy and a method for preparation, in particular to the high-silicon aluminum alloy with excellent wear resistance and a method for preparation. The invention comprises 10.5-11.2 percent of silicon powder, 2.2-2.7 percent of copper clad aluminum alloy, 0.2-0.5 percent of magnesium, 85.6-87.1 percent of aluminum, which are made through melting, mixing, first refining, second refining and casting. The high silicon-aluminum alloy has excellent wear resistance, high tensile strength and high tensile strength, and is capable of meeting the performance requirements of an air conditioner of an automobile.

The invention discloses a method for preparing a material with holographic patterns, which comprises the following steps: forming a releasing layer, an abrasion-resistant layer, an information layer and a dielectric layer on a basement membrane in turn to obtain a holographic transfer membrane, and combining the holographic transfer membrane and a base material at one side of the dielectric layer, wherein the abrasion-resistant layer is formed by coating an abrasion-resistant layer paint on the surface of the releasing layer and then semi-curing the abrasion-resistant layer paint; and fully curing the abrasion-resistant layer after the holographic transfer membrane is combined with the base material to obtain the material with the holographic patterns. The material with the holographic patterns prepared by the method avoids the deformation of the abrasion-resistant layer paint during curing on the premise of ensuring the abrasion resistance and corrosion resistance of the material so as to improve the quality of a product.