148results about How to "Stay resilient" patented technology

The invention relates to a novel high-performance WC-based hard alloy material and a preparation method thereof, and belongs to high-technology structural ceramics and the application field thereof. The high-performance WC-based hard alloy material in the invention takes 20 to 80 mass percent of submicron/nanometer WC powder as a matrix, 2 to 20 mass percent of metal Mo and metal Ni which have high chemical stability at a high temperature and rare earth as a binder, is added with 0.1 to 5.0 mass percent of crystal particle inhibitor, 10 to 80 mass percent of high-hardness material diamond or cubic boron nitride micro-powder as a hardening agent, and 0.5 to 15 mass percent of SiC nanostructure and the like as a toughing agent, and is prepared by fast sintering technology, in particular by discharge plasma sintering or medium frequency induction heating sintering. A sintered body has the characteristics of fine crystal particles, high hardness, strength and flexibility and high comprehensive abrasive resistance, is particularly suitable for preparing geological drilling machines and tools used under heavy load conditions, and also can be used for preparing high-performance machined cutting tools, moulds and the like.

High strength aluminum alloys based on the Al—Zn—Mg—Cu alloy system preferably include high levels of zinc and copper to provide increased tensile strength without sacrificing toughness. In addition, small amounts of scandium are also preferably employed to prevent recrystalization. Preferred ranges of the elements include by weight, 8.5-11.0% Zn, 1.8-2.4% Mg, 1.8-2.6% Cu, 0.05-0.30% Sc and at least one element from the group Zr, V, or Hf not exceeding about 0.5%, the balance substantially aluminum and incidental impurities. During formation of the alloys, a homogenization process is preferably employed after alloy ingot casting in which a slow rate of temperature increase is employed as the alloy is heated as near as possible to its melting temperature. For the last 20-30 F below the melting temperature, the rate of increase is limited to 20 F/hr. or less to minimize the amount of low melting point eutectic phases and thereby further enhance fracture toughness of the alloy.

The invention relates to an elastomer plastic which is characterized by being blended from single thermoplastic resins with at least two different specifications. The invention also relates to a conductive plastic containing the elastomer plastic and a conductive plastic bipolar plate. The invention also relates to preparation methods of the elastomer plastic, the conductive plastic containing the elastomer plastic, and the conductive plastic bipolar plate.

Embodiments of alloys having high, fine-grained carbide content, and methods of manufacturing such alloys. The alloys can be determined through the use of thermodynamic, microstructural, and compositional criterial in order to create a high strength and high toughness alloy. In some embodiments, the alloys can be used as a wear resistant component.

The invention discloses an anti-ultraviolet plastic woven-bag filament. Through blending, melting, filtration, extrusion film-formation, water cooling, filament dividing, filament drawing and rolling, the anti-ultraviolet plastic woven-bag filament is prepared from 100 parts by weight of polypropylene, 10-12 parts by weight of polyoxymethylene, 20-24 parts by weight of linear low density polyethylene, 1.2-1.5 parts by weight of polyethylene wax, 3-3.5 parts by weight of an ethylene-methyl acrylate copolymer (EMA1125AC), 1.4-1.8 parts by weight of tributyl citrate, 0.4-0.8 parts by weight of turpentine, 0.4-0.6 parts by weight of a ultraviolet ray absorber (UV-531) and 3-3.5 parts by weight of an assistant. Through use of the ultraviolet ray absorber, ultraviolet resistance and oxidation resistance of the plastic woven product are improved, toughness of the existing plastic ribbon-like filament is kept and a cost is low. The plastic woven-bag prepared from the anti-ultraviolet plastic woven-bag filaments can effectively prevent an ultraviolet ray illumination-caused oxidation reaction so that the problem that the packaging bag prepared from the existing plastic ribbon-like filaments has a short service life.

The invention provides a cupreous metal wire-drawing on-line heat treatment device which comprises a wire drawing machine, wherein a wire outlet end of the wire drawing machine is connected with the inlet of an electromagnetic heating coil inlet of an electromagnetic induction heating facility, and the outlet of the electromagnetic heating coil is connected with the inlet of a cooling water tank; and the outlet of the cooling water tank is connected with a take-up pulley. The device is scientific in design, implements on-line annealing, and enhances the toughness and electric conductivity of the drawn copper wire. The invention also provides an on-line heat treatment method of the cupreous metal wire-drawing on-line heat treatment device, which comprises the following steps: 1. wire drawing; 2. on-line heat treatment; 3. water cooling; and 4. taking up. By carrying out heat treatment on the drawn cupreous metal wire, the method is scientific in design and enhances the toughness and electric conductivity of the drawn copper wire.

High strength aluminum alloys based on the Al—Zn—Mg—Cu alloy system preferably include high levels of zinc and copper, but modest levels of magnesium, to provide increased tensile strength without sacrificing toughness. Preferred ranges of the elements include by weight, 8.5-10.5% Zn, 1.4-1.85 % Mg, 2.25-3.0% Cu and at least one element from the group Zr, V, or Hf not exceeding about 0.5%, the balance substantially aluminum and incidental impurities. In addition, small amounts of scandium (0.05-0.30%) are also preferably employed to prevent recrystalization. During formation of the alloys, homogenization, solution heat treating and artificial aging processes are preferably employed.

The invention discloses an alpha and beta combined titanium alloy wire for an electron beam fused deposition rapid formed structural member with the strength level of 920 MPa. The alpha and beta combined titanium alloy wire is characterized in that an alpha phase is strengthened by an alloy element Al and an interstitial element O, and a beta phase is strengthened by an alloy element V and Fe, wherein the wire comprises the following components of: 6.2 to 7.5 weight percent of Al, 4.0 to 5.5 weight percent of V, 0.10 to 0.50 weight percent of Fe, 0.12 to 0.25 weight percent of O, the balance of Ti and inevitable impurity elements. The invention also provides the corresponding melting process, a thermal machining process and a thermal treatment process for the electron beam fused deposition rapid formed structural member. By the alloy wire, a requirement on the process for quickly forming by stacking the fuse wires of the electronic beams is met, and the titanium alloy structural member has relatively high mechanical performance. Great social benefits and economic benefits are created after the alloy wire is popularized and applied.

The invention provides a preservative agent for a fresh flower. The preservative agent is mainly prepared by adding glycerol and calcium chloride solution at certain concentrations to a 0.5% fibroin solution. The invention also provides a preservative method for the fresh flower and an application of the preservative agent in the course of red rose preservation. With the adoption of the preservative agent and the preservative method, air holes on the surfaces of petals can be closed appropriately, and a pervaporation flux of a membrane can be controlled, so that the effect of preserving the fresh flower is achieved.

The invention provides a method and device for improving hardness of the inner wall of a steel tube. A scanning type induction hardening process is adopted, heat treatment is carried out on the inner wall of the whole steel tube, an induction coil is placed on the steel tube, and the steel tube rotates and relatively moves relative to the induction coil; in the process that the steel tube and the induction coil relatively move, the induction coil is powered on to heat, and the heated steel tube is instantly subject to water spraying cooling after heating; the heating frequency is selected to range from 500 Hz to 2000 Hz; and the speed of movement of the steel tube relative to the induction coil is between 3 mm/s and 6 mm/s, and the rotating speed of the steel tube ranges from 5 rpm to 20 rpm. Compared with a conventional manner that heat treatment is carried out on the steel tube or the steel tube is not treated, the skin effect of induction heating is used, in the heating process, the temperature of the inner wall of the steel tune is high, the temperature of the outer wall is low, and a temperature gradient is formed; after water spraying cooling is carried out, the aim of improving the hardness and the abrasive resistance of the inner wall is achieved; and meanwhile the outer wall basically keeps mechanical properties of toughness, strength and the like of an original matrix structure.

The invention discloses an epoxy resin adhesive containing graphene oxide. The epoxy resin adhesive comprises, by weight, 50-75 parts of allyl bisphenol A type epoxy resin, 5-20 parts of carboxyl-terminated polybutadiene, 5-12 parts of organic silicon resin, 5-18 parts of diaminodiphenyl-methane, 1-7 parts of pyromellitic dianhydride, 2-8 parts of 2-ethylhexyl glycidyl ether, 1-8 parts of phenyl glycidyl ether, 15-22 parts of toughening agent, 2-3.8 parts of promoter, 3-12 parts of graphene oxide, 1-4 parts of active silicon micro-powder, 2-8 parts of nano zinc oxide, 0.4-2 parts of multiwalled carbon nanotube, 1-2 parts of sulfur, 1-3 parts of flax fibers and 0.3-1.2 parts of amino-containing silane coupling agent. The epoxy resin adhesive containing the graphene oxide is excellent in antibacterial performance and good in heat resistance and cohesiveness.

The invention relates to a machining method for a nut plate and belongs to the field of machining of alloy materials. The machining method includes the following steps that pretreatment is carried out, and quenching and tempering are carried out on high-strength alloy steel; heat treatment is carried out, the quenched and tempered high-strength alloy steel is forged and formed at the temperature of 1150-1220 DEG C, heat preservation is conducted for 0.3-0.6 h, quenching treatment is carried out by means of forging waste heat, the high-strength alloy steel is immediately water-cooled to the room temperature when cooled to 900 DEG C, the high-strength alloy steel is heated to 450-520 DEG C to be subjected to tempering for 2-3 h, finally the high-strength alloy steel is oil-cooled to the room temperature, and a semi-finished nut plate is obtained; and surface treatment is carried out, the semi-finished nut plate is sequentially subjected to oil and rust removal, activating treatment, blackening and passivation, and the nut plate is obtained. According to the nut plate, the high-strength alloy steel with components combined reasonably is selected to be subjected to quenching and tempering, forging, quenching, tempering and surface blackening, so that the machining cycle is greatly shortened, and the strength, hardness, toughness, corrosion resistance and abrasion resistance of the nut plate are greatly improved; meanwhile, the machining performance of the nut plate is improved, and the nut plate is easy to weld.

The invention relates to a halogen-free anti-flaming polypropylene material, which is characterized by comprising the following raw materials: 10 to 20 percent of first polypropylene copolymer, 27.5 to 47.5 percent of second polypropylene copolymer, 0.1 to 0.5 percent of thermal stabilizer of hindered phenol, 0.1 to 0.5 percent of thermal stabilizer monothioester, 0.1 to 0.5 percent of metal deactivator, 0.1 to 0.5 percent of processing stabilizer of phosphate ester, 2 to 10 percent of 1, 3-benzenediol bi(diphenyl phosphate ester), 0.1 to 0.5 percent of antacid agent of houghite and 30 to 50 percent of ammonium polyphosphate. The halogen-free anti-flaming polypropylene material is obtained by adopting polypropylene copolymer with the melt index of 0.2g/10min to 0.5g/10min and polypropylene copolymer with the melt index of 1g/10min to 3g/10min to carry out mixing combination, has excellent film-forming processability and can be made into films with different thickness between 0.2mm to 0.6mm.

A novel ferritic martensitic alloy is provided. The ferritic martensitic alloy enables the use temperature to be increased from 500° C. to 550° C., where the strength is maintained or is even maximized and the toughness, especially for low temperatures, is maintained compared to the known iron-based alloys. Tunsten is preferably not used.

The invention discloses a high-temperature-resistant honeycomb node adhesive and a preparation method thereof and relates to an adhesive and a preparation method thereof. The high-temperature-resistant honeycomb node adhesive is used for solving the problem that the existing honeycomb node adhesive cannot meet the requirements on the manufacturing of polyimide paper honeycomb due to low temperature-resistant level and poor bonding compatibility. The adhesive is prepared from matrix resin, BMT type bismaleimide resin, phenolic cyanate ester, a co-polymerization modifier, a rubber elastomer toughening agent, inorganic nanometer filler and a solvent. The preparation method comprises the following steps: firstly, weighing; secondly, preparing toughening modified resin; thirdly, mechanically blending to obtain mixed rubber sheets; and fourthly, preparing uniform rubber liquid under stirring. The high-temperature-resistant honeycomb node adhesive is mainly applied in manufacturing aerospace polyimide paper honeycomb and has the characteristics of high temperature resistance and good process performance. The high-temperature-resistant honeycomb node adhesive prepared by the preparation method is used for the manufacturing of aerospace polyimide paper honeycomb and has the characteristics of high temperature resistance and good process performance.

The invention belongs to the field of chemicals for daily use, and particularly relates to an antibacterial dish-washing detergent containing argy wormwood leaf extract. The antibacterial dish-washing detergent containing the argy wormwood leaf extract mainly comprises sodium alcohol ether sulphate, sodium alkylbenzene sulfonate, fatty acid amide polyoxyethylene ether, plant extract, allantoin, humectant, ethylene diamine tetraacetic acid tetrasodium, sodium chloride, citric acid and water. The antibacterial dish-washing detergent containing the argy wormwood leaf extract which is provided by the invention has the advantages of mild cleaning, delicate foam, no irritation, no hand injury, cleansing capability and outstanding antibacterial effect, and can achieve a quick and effective cleaning effect without traces left, moreover, since the dish-washing detergent is also added with the allantoin and the compound amino acid, the dish-washing detergent can effectively prevent the phenomena of dryness, peeling and roughness from occurring on skin, keeping skin healthy, moisturized and elastic, and therefore the antibacterial dish-washing detergent containing the argy wormwood leaf extract is an antibacterial dish-washing detergent which meets the requirement of modern people.

The invention relates to a production method for co-production of bamboo charcoal and bamboo vinegar. The production method includes the following steps that S1, raw materials are selected; S2, moso bamboos are crushed, wherein the moso bamboos with the branches and leaves are crushed into 3-5 mm blocks according to the technological requirement, soaking with a pretreatment solution is conducted for 1-2 h, drainage is conducted, and then the objects are pre-dried at 60-70 DEG C until the water content is 20-25 % and sent to a pre-heating mechanism through a feeding mechanism, the pretreatmentsolution is prepared from, by weight, 3-8 % of water insoluble dextran, 10-15% of sodium hydrogen carbonate, 2-5% of aminophylline and the balance deionized water; S3, pre-heating is conduced; S4, pyrolysis is conducted; S5, carbonization is conducted; S6, bamboo vinegar purification is conducted, wherein bamboo vinegar obtained in the step 3 and bamboo vinegar obtained in the step 4 are mixed, anadsorption treatment agent is added in the mixture, then the mixture is stirred evenly, treated for 0.5-1 h and fully filtered, and the finished product of bamboo vinegar is obtained, the adsorptiontreatment agent refers to modified sepiolite powder. The production efficiency is high, the product yield is high, the degree of automation is high, and through organic coordination of the various mechanisms, the requirement of industrialized co-production of bamboo charcoal and high-quality bamboo vinegar can be met.

The invention discloses a low-smoke-zero-halogen high-flame-retardance power cable which structurally comprises a guiding wire. A flame retardant insulation layer is arranged on the outer side of the guiding wire. A carbon fiber flame retardant layer is arranged on the outer side of the flame retardant insulation layer. A foam flame retardant layer is arranged on the outer side of the carbon fiber flame retardant layer. The carbon fiber flame retardant layer is connected with the flame retardant insulation layer through a cross-linking layer, and the carbon fiber flame retardant layer is connected with the foam flame retardant layer through a cross-linking layer. According to the low-smoke-zero-halogen high-flame-retardance power cable, power cable flame retardant capacity is improved, and meanwhile release of toxic smoke is lowered during burning.

The present invention relates to a compound joint-improving oral liquor made up by using (by wt%) 1.5-6% of pseudo-black multispinous ant, 0.5-5% of collagen, 0.5-4% of glycosamine hydrochlorate, 0.2-3% of chondroitin sulfate, 1-20% of honey, 0.01-0.03% of Ansaimi and 0.01-0.8% of sodium carboxymethyl cellulose as main raw material. Said oral liquor can provide nutrients for joint, can improve joint lubrication, accelerate joint repair, raise immunity of human body and promote articular metabolism normalization, etc.

A Cu-TiN nano composite film based on a magnetron sputtering codeposition technology relates to the technical fields of micro-electrons and micromechanics, has a nanometer size, and has TiN additive particles and Cu crystal grains, which are uniformly mixed. The content of the TiN additive particles is 1.0-6.0 at.%. The composite film prepared by the invention is 4.1-5.1GPa in thickness and 3-25 micro-omega cm at electrical resistivity. When the additive contents (referred to alloy element content as for a Cu-based alloy film and referred to the content of added compounds as for a Cu-based composite film) are equal, the hardness of the composite film is obviously higher than that of the Cu-based alloy film adopted in industrial production at present, and the electrical conductivity is not lower than but much higher than that of the alloy film in most cases. The film can meet the high-hardness requirements of modern industry, in particular the technical fields of micro-electrons and micromechanics, on the conductive film.