102results about How to "Improve hardness performance" patented technology

A coating includes a first layer of a ceramic alloy and a second layer disposed on the first layer and including carbon. The coating has a hardness of from 10 to 20 GPa and a coefficient of friction of less than or equal to 0.12. A method of coating a substrate includes cleaning the substrate, forming the first layer on the substrate, and depositing the second layer onto the first layer to thereby coat the substrate.

An optical device is provided. The optical device according to one embodiment may be a light-dividing device, for example, a device that can divide incident light into at least two kinds of light having different polarization states. For example, the optical device can be used to realize a stereoscopic image.

The invention relates to a TiAlSiN-AlTiN composite coating and a preparation process thereof. According to the TiAlSiN-AlTiN composite coating, a substrate is pre-treated, the pre-treated substrate is placed into electric arc and magnetron sputtering composite film plating equipment, a circular arc Ti target is adopted as a Ti source, the sputtering rate of the circular Ti target is controlled through a circular arc power supply current, a circular arc AlTi target is adopted as an AlTiN coating corresponding element source, the atom ratio of Al to Ti (Al/Ti) is 67/33, an AlTiSi target is adopted as a TiAlSiN coating corresponding element source, and the atom ratio of Al to Ti to Si (Al/Ti/Si) is 60/30/10; 12 pairs of the circular arc sources are spirally arranged on the periphery of the wall of a vacuum cavity, and by adjusting the power of a medium frequency pulse power supply to control the sputtering rate of the target, based on different coatings, the background vacuum is 5*-<3>pa before the coating, and the rotating is the 3-dimensional rotating at a speed of 2 r/min; high-purity Ar is adopted as a main ionization gas so as to ensure an effective glow discharge process; high-purity N2 is adopted as a reaction gas and is ionized, and the ionized N2 is combined with Ti, Si and Al so as to deposit on the substrate surface and form the TiAlSiN-AlTiN composite coating; and the prepared TiAlSiN-AlTiN coating has the thickness of about 3.5 [mu]m, the microhardness of 24.5 GPa, and high hardness.

Disclosed are a ceramic and polymer compositely coated lithium ion separator and a preparation method therefor. The ceramic and polymer compositely coated lithium ion separator comprises a polyolefin porous membrane, a ceramic coating coated onto one or both sides of a membrane surface, and a polymer coating coated onto a ceramic surface or the membrane surface. The composite separator prepared in the present disclosure significantly enhances heat resistance of the separator and bonding strength thereof with positive and negative pole pieces, improves the wettability of an electrolyte, can effectively prevent an internal short circuit due to layer dislocation between the separator and the electrodes, and also improves hardness and safety performance of the battery. Further disclosed is a method for preparing the ceramic and polymer compositely coated lithium ion separator, which method enables the preparation of a separator having even coating thickness of the ceramic coating and the polymer coating and good uniformity, and is favorable for continuous and large-scale production.

A composition suitable for use in personal cleaning or detergent soap bars, which includes a primary surfactant comprising a sulfonated fatty acid, an alpha sulfonated alkyl ester, or a mixture thereof, and a secondary synthetic surfactant, and methods for producing such a composition. The composition and methods exhibit efficient processing and allow for formation of cleansing or detergent bars with improved hardness, improved resistance to marring, improved processability, lower wear-rate and decreased mush formation during consumer use.

The invention relates to an industrial wastewater treatment device and a treatment method. The device comprises a reactor body, a water inlet pipe, a water outlet pipe, a blow-off pipe and the like, wherein the reactor body is filled with a filler. According to the device and the method, inorganic ions in the industrial wastewater are crystallized and precipitated, and grow on the surface of the filler to form heterogeneous crystallization, so that the inorganic ions in the industrial wastewater are removed effectively; and the treated qualified waste water is discharged out of the reactor from the water outlet pipe. Water treatment can be conducted continuously through a method such as filler supplementing or filler regeneration. Compared with a conventional treatment method, the device does not need flocculation, precipitation or other units; no sludge is produced; and the device has the advantages that treatment speed and removing efficiency are high, secondary pollution cannot be caused easily, so as to have a broad prospect in actual industrial application.

A method for obtaining a micro-nano SiO2 particle containing coating on a surface of aluminium and aluminium alloy. Samples are firstly subjected to alcohol immersing, chemical removing for oil and alkali, acid erosion, water washing and zinc dipping, and finally pre-treated by acetone and alcohol ultrasonic cleaning; SiO2 nanometer particles are placed in a non-ionic surface active agent OP-21 to immerse; and then the samples are subjected to composite chemical plating and washed by cold water to obtain the finished product. The method is reasonable in technology and easy to operate, can produce the coating just by using equipment of traditional nickel-phosphorous chemical plating technology, and has relatively good economic benefit and popularization prospect. The obtained coating is compact and firm, and has advantages of good combinability, uniform surface, high hardness, wear resistance, heat resistance and high comprehensive properties; and hardness and wear resistance of the obtained coating are all higher than that of single nickel-phosphorus coatings. The active agent is nontoxic, environmentally-friendly, highly-efficient, simple in formula, easy to operate and low in cost.

The invention discloses a high-hardness powder coating which comprises the following components in parts by weight: 20-25 parts of polyurethane resin, 5-10 parts of polyester resin, 25-30 parts of an isothiocyanate dipolymer, 5.5-7.5 parts of aids, 1.4-7 parts of pigment and 25-38 parts of a filler. The invention further discloses a preparation method of the high-hardness powder coating. The preparation method comprises the following steps: uniformly mixing 20-25 parts of the polyurethane resin, 5-10 parts of the polyester resin, 25-30 parts of the isothiocyanate dipolymer, 5.5-7.5 parts of the aids, 1.4-7 parts of the pigment and 25-38 parts of the filler, performing melting extrusion, tabletting, cooling, performing rough crushing and fine crushing in sequence, and screening, thereby obtaining the high-hardness powder coating. The high-hardness powder coating disclosed by the invention is excellent in hardness performance for a base material, optimal in adhesion property to the base material, good in binding property and hardness for the base material and very good in scratch resistance effect.

The invention provides a waterborne multifunctional paint for electrical appliance. The waterborne multifunctional paint comprises nano glass resin, a water-based hydroxyl acrylic emulsion, amino resin, organic silicone powder, superconductive carbon black, acetylene carbon black, graphene and carbon nanotube. Specifically, the mass ratio of the superconductive carbon black, acetylene carbon blackand graphene and the mass of carbon nanotube are in a ratio of 8-11/1. According to the invention, the paint emulsion is added with organic silicone powder, superconductive carbon black, acetylene carbon black, graphene and carbon nanotube in the paint emulsion to form a paint film with a conductive network structure, thus realizing anti-explosion, antistatic and self-cleaning functions.

The invention relates to a material of the cylinder body of a pneumatic actuating mechanism and a preparation method thereof. The material is composed of the following components in percentage by weight: 0.4 to 0.7% of Fe, 1 to 2.5% of Cu, 0.6 to 1.0% of Mg, 0.15 to 0.2% of Mn, 1 to 2% of Ni, 1.5 to 2.5% of Zn, 0.4 to 0.6% of B2O3, 1.5 to 2.5% of SiO2, 1 to 3% of TiC, and the balance being Al. The cylinder body is prepared by the following steps of blank preparation, blank pretreatment, mould pretreatment, forging and stamping, and moulding. The prepared cylinder body has the characteristics of high hardness, good corrosion resistant performance, little thermal expansion coefficient, low friction index, and high wear resistant performance. At the same time, the manufacture technology is improved to enable the cylinder body to have a good mechanical performance.

The invention discloses a manufacturing method of a self-drilling anchor rod bit, and belongs to a production method of an anchor rod. The manufacturing method comprises the following steps that: a cemented carbide material briquette is placed in a casting mold of the anchor rod bit, and molten iron or molten steel is injected into the casting mold; and after the molten iron or molten steel is cooled in the mold, a shape of a matrix of the anchor rod bit is formed, and the matrix is in fusion welding with the cemented carbide material briquette into a whole. According to the nominal content of each elemental composition, the iron-based cemented carbide briquette formed by uniformly mixing and sintering tungsten carbide particles, vanadium pentoxide, colloidal graphite, diamond particles with iron matrix pre-alloy powder can replace the traditional cemented alloy manufactured by metal cobalt and tungsten carbide which are adhered to each other to prepare the self-drilling anchor rod bit. The blade of the anchor rod bit is in fusion welding on the matrix directly, and the subsequent mechanical processing of the anchor rod bit is not needed; and meanwhile, the operation of the method is simple, the production efficiency of the anchor rod bit is obviously improved, and the production cost is effectively reduced because of using the iron-based cemented carbide briquette.

The invention provides a fluorine-containing polymer, a waterproof and oil-proof treating agent, a preparation method of the waterproof and oil-proof treating agent and a protection film. The fluorine-containing polymer comprises a fluorine-containing monomer (a) and a crosslinking monomer (b), wherein the fluorine-containing monomer (a) and the crosslinking monomer (b) are polymerized under the existence of a polymerization initiator and a chain transfer agent; the general formula (I) of the fluorine-containing monomer (a) is CH2=C(-X)-C(=O)-Y-Z-Rf; the crosslinking monomer (b) is a compound with at least two carbon-carbon double bonds or a compound with at least one carbon-carbon double bond and at least one reaction group. After the waterproof and oil-proof treating agent containing the fluorine-containing polymer is used for treating the protection film, the obtained protection film has excellent hardness performance and better waterproof and oil-proof performance; the dirt residue since fingers contact the surface of the protection film can be reduced.

Disclosed are improved cleaning compositions comprising soap&com ma; fatty acid, synthetic detersive surfactant, salt and a polyhydridic alcohol, which are suitable for formation into precursor cleansing/laundry bar “soap noodles,” personal cleansing bars and laundry detergent bars. The compositions comprise: (a) from about 58% to about 93% by weight of an approximately 70% aqueous soap slurry; (b) from about 1% to about 15% by weight of a fatty acid; (c) from about 2% to about 30% by weight of an approximately 55% aqueous mixture of anionic surfactants comprising i) an alpha sulfonated alkyl ester, and ii) a sulfonated fatty acid or salts thereof, wherein the ratio of i) to ii) is from about 10:1 to about 1:10; (d) from about 0.5% to about 2% by weight of a salt; (e) from about 0.5% to about 5% by weight of a 25 polyhydridic alcohol; and (f) from 0 to about 10% by weight of an alkanolamide of the formula O CH₃(CH2)_nCNH(CH₂)_yOH wherein n=6-16, and y is 2-4; The invention additionally relates to an improved process for producing both precursor cleansing/laundry bar “soap noodles” and personal cleansing/laundry detergent bars 35 comprising combining (a)-(e) to form a liquid mixture at a temperature of about 65° C. to about 105° C., removing from about 50% to about 90% by weight of the water from the liquid mixture, by heating up to 150° C. under vacuum conditions or 105° C. at normal conditions to form a thickened mixture, extruding the thickened mixture to form flaked solid or semi-solid pellets or noodles, and optionally, plodding the flaked solid or semi-solid pellets or noodles to form plodded pellets or noodles,f extruding the plodded pellets or noodles to form a billet, cutting the billet, and stamping the cut billet to yield a personal cleansing/laundry detergent bar.

The present invention belongs to the technical field of animal feed and discloses a licking brick and a preparation method thereof. The provided licking brick is prepared from molasses, sugar beet pulp and premix. According to mass percentages, the content of the premix is 4%; the content of the molasses and the beet pulp are 96%; and the mass ratio of the molasses to the sugar beet pulp is (1 : 3)-(3 : 17). The provided licking brick fully uses the resources of the sugar beet pulp, so that the licking brick is good in hardness performance, rich in fibers, minerals, vitamins and sugars, and comprehensive in nutrition, can provide energy and fibers for animals, especially ruminants, provide energy and fibers, increase feed intake, improve gastrointestinal microbial fermentation status, reduce toxin production and accumulation, provides vitamins and minerals necessary for animal growth and development, contributes to the growth and development of animals, and significantly increases the weight and milk production of animals.

A composition suitable for use in personal cleaning or detergent soap, which includes a sulfonated fatty acid and/or alpha sulfonated alkyl ester, and methods for producing such a composition. The composition and methods exhibit efficient processing and allow for formation of cleansing or detergent bars with improved hardness, improved resistance to marring and improved processability to marring, lower wear-rate and decreased mush formation during consumer use.

The invention relates to the technical field of glass fiber composite materials, in particular to a glass fiber resin composite material and a preparation method thereof. The raw materials of the glass fiber resin composite material comprise glass fiber cloth and an epoxy resin base material glue solution, wherein the weight ratio of the glass fiber cloth to the epoxy resin base material glue solution is 7: (3-3.5), and the epoxy resin base material glue solution is prepared from the following raw materials in parts by weight: 80-110 parts of epoxy resin, 8-10 parts of porous glass micro-beads, 12-16 parts of alumina powder, 5-9 parts of a dispersing agent and 2-5 parts of an adhesive. According to the invention, porous glass micro-beads are treated to form high-strength and high-dispersity microspheres, the high-strength and high-dispersity microspheres are uniformly mixed with epoxy resin to prepare an epoxy resin base material glue solution, glass fiber cloth quickly passes through the molten epoxy resin base material glue solution, the surface of the glass fiber cloth is quickly coated with the epoxy resin base material glue solution, and the hardness and the strength of the formed glass fiber resin composite material are greatly improved.

The invention discloses a novel method for additive preparation of a metal product. The metal product is prepared by adopting a mode of combining metal 3D printing and laser peening, laser peening treatment is introduced in the printing forming process, and the method comprises the following steps that according to a product design drawing, drawing software is used for drawing the design drawing into a three-dimensional model; the drawn three-dimensional model is substituted into slicing software, printing parameters are set, and a corresponding G code is generated; and the generated G code is substituted into an upper computer, and metal 3D printing forming equipment is controlled to carry out product printing forming. Laser shock peening is carried out under the state that each forming layer is not completely solidified, or laser shock peening is carried out on a metal cladding body while printing forming is carried out, so that the organization structure of the metal is more compact, crystal grains are further refined, the problems of holes, cracks, surface spheroidization, coarse crystal grains and the like in a formed part are eliminated, a high-strength and high-hardness metal product with excellent performance is obtained, and a 3D metal printing main force bearing part can enter a substantive use stage.

The invention relates to a cylinder material for an electric executer and a preparation method thereof. The cylinder material comprises the following components in percentage by weight: 0.57% of Fe, 1.65% of Cu, 0.85% of Mg, 0.18% of Mn, 1.55% of Ni, 1.9% of Zn, 0.55% of B2O3, 1.85% of SiO2, 2.0% of TiC, 0.6% of Pt, 0.45% of Ti, 0.45% of Pb, and the balance of Al.

The invention relates to a surface treatment method of a 3D hot-bending graphite mold, and belongs to the technical field of surface treatment of glass processing molds. In order to solve the problemof easy abrasion and short service life of an existing graphite mold, the invention provides the surface treatment method of the 3D hot-bending graphite mold. The method comprises the following steps:placing a to-be-treated 3D hot-bending graphite mould in a cavity of evaporation equipment, enabling the surface to be plated of the 3D hot-bending graphite mold to be arranged oppositely to a sputtering source, connecting an anode of a pulse power supply of the evaporation equipment with an electrode of the sputtering source, and connecting the cathode with a workpiece electrode of the 3D hot-bending graphite mold, wherein a silicon source is adopted as the target material of the sputtering source; and vacuumizing the cavity of the evaporation equipment, carrying out cleaning by an ion source, introducing argon gas and oxygen for a period of time, turning on a pulse power supply, and opening a silicon source to carry out vacuum coating, so that a coating layer is formed on the surface ofthe mold cavity of the graphite mold, and the corresponding coated 3D hot-bending graphite mold is obtained. Wear resistance and scratch resistance of the graphite mould can be improved, and the service life is prolonged.

The invention relates to an eco-friendly composite concrete grinding body for grinding and a preparation method thereof. The grinding body comprises 100 parts of cement; 197-213 parts of quartz sand;180-210 parts of high active components; 185-205 parts of toughening fibers; 25-35 parts of alloy powder; the high active components include any one of silicon powder, construction waste reclaimed powder, zeolite powder, ferrite powder, nano graphene oxide and ceramic waste powder, or combination of at least two kinds of the above components; the toughening fibers include any one of steel fiber, silicon carbide fiber, calcium carbonate whisker, basalt fiber and boron nitride fiber or combination of at least two kinds of the above fibers; the alloy powder includes aluminum zinc alloy powder and/or aluminum titanium alloy powder. The grinding body integrates high strength, high toughness, high hardness, high durability, low cost, and ecological and environmental protection as a whole, and the grinding body has universality and is applicable to design and development of various wear-resistant composite products.