30results about How to "Improve wear and heat resistance" patented technology

The invention provides a wear-resistant and heat-resistant mottled cast iron material and a preparation method thereof. The wear-resistant and heat-resistant mottled cast iron material has good performance; and the preparation method is simple in process, low in production cost and suitable for industrial production. Mottled cast iron is utilized as a substrate for the wear-resistant and heat-resistant mottled cast iron material, wherein metal wire clusters formed by iron wires are distributed in the substrate; the diameter of the iron wires is 0.2-2mm; the diameter of the metal wire clusters is 10-15cm; and the iron wires account for 5-40% of the material by volume.

The invention discloses an amorphous diffusion alloy and a preparation method thereof. The amorphous diffusion alloy is prepared from nickel coated titanium carbide, boron carbide, mixed rare earth, ferrotitanium powder, superfine high-carbon chromium iron powder, silicon carbide whiskers, boron nitride, lanthanum oxide, cerium oxide, zirconium oxide, copper powder, high-nitrogen ferrochrome, cobalt powder, manganese powder, tungsten powder, nanometer titanium oxide, and the balance of superfine iron powder, wherein the mixed rare earth is heavy rare earth or light rare earth. The amorphous diffusion alloy is mainly used in iron-based powder metallurgy products, can improve the impact, tensile fatigue, wear and heat resistance of the products, can partially or completely substitute noble metal elements, and reduces the cost of the products.

The invention relates to the technical field of mechanical steel machining, and discloses a method for improving wear resistance and heat resistance of steel. The multi-element alloying method is mainly utilized, manganese, nitrogen and the like are used for replacing nickel, the nickel content is reduced, and meanwhile rare earth elements are added; the affinity of the alloy elements with carbonand nitrogen is quite high, carbide and nitride particles which are distributed in a highly dispersed manner and are extremely high in hardness are formed in the alloy smelting process, the stabilityof the particles is quite high, and the particles cannot be completely dissolved even at the temperature of 1,300 DEG C; and the surface treatment technology is further adopted, oxidation resistance of the steel is improved, the highest heat resisting temperature of the heat resisting steel is improved to 1,200 DEG C-1,300 DEG C from original 900 DEG C-1,000 DEG C, and therefore the application field of the heat resisting steel is greatly expanded.

The invention discloses a non-stick pan coating with graphene material. The non-stick pan coating is composed of a bottom layer and a surface layer; the bottom layer is composed of the following parts by weight of raw materials: 50-90 parts of polytetrafluoroethylene Ethylene / polysulfone blend, 0.5-2 parts modified graphene oxide, 1-5 parts thermochromic pigments, 0.8-1.2 parts modified silicon carbide whiskers, 1.5-3 parts additives and 15-35 parts deionized water; the surface layer is composed of the following raw materials in parts by weight: 35-75 parts of polytetrafluoroethylene resin, 1.5-5 parts of modified calcium carbonate whiskers, 3-8 parts of fatty alcohol polyoxyethylene ether ammonium sulfate, 5 parts of ~10 parts maleic anhydride and 35-60 parts deionized water. Through the reasonable compatibility of different raw material components of the bottom layer and the surface layer, the prepared non-stick pan coating has a better over-temperature prompting function, is more conducive to the control of the cooking temperature, and has excellent high temperature resistance and wear resistance. Extends the life of non-stick pans.

The invention belongs to the technical field of generator manufacturing, and discloses a stator core of a wind generator. The stator core of the wind generator is prepared by the following processes of stacking an iron-based amorphous alloy material into a preformed part, heating the preformed part to 600 DEG C, carrying out heat preservation for 90 minutes, cooling the preformed part to a room temperature and dipping the preformed part into an adhesive; and heating the adhesive to 90 DEG C, carrying out heat preservation for 6 hours and taking out the preformed part. The stator core has abrasive resistance, low energy consumption and loss and a good application prospect.

The invention discloses a hot-melt high wear-resistant and anti-pollution white traffic marking material and a preparation method thereof, which are used for making traffic marking materials in the field of traffic technology 。 Including the following components: petroleum resin, modified rosin resin, di-n-butyl phthalate, titanium dioxide, glass microspheres, sodium distyrene biphenyl disulfonate, ethylene vinyl acetate copolymer, microcrystalline paraffin, refined white Mineral oil, quartz sand, quartz powder. The traffic marking material prepared by the invention can not only improve the wear resistance and anti-pollution ability of the traffic marking, but also enhance the adhesion of the traffic marking.

The invention provides a wear-resistant and heat-resistant mottled cast iron material and a preparation method thereof. The wear-resistant and heat-resistant mottled cast iron material has good performance; and the preparation method is simple in process, low in production cost and suitable for industrial production. Mottled cast iron is utilized as a substrate for the wear-resistant and heat-resistant mottled cast iron material, wherein metal wire clusters formed by iron wires are distributed in the substrate; the diameter of the iron wires is 0.2-2mm; the diameter of the metal wire clustersis 10-15cm; and the iron wires account for 5-40% of the material by volume.

The invention relates to a high-strength synchronous belt. The synchronous belt comprises a synchronous belt framework and an adhesive piece attached to the outer side of the synchronous belt frame. The adhesive piece comprises the following components in parts by weight: 70-90 parts of hydrogenated butadiene-acrylonitrile rubber, 10-30 parts of chloroprene rubber, 14-25 parts of trans 1, 4-polyisoprene, 4-8 parts of methylacryloyl silane, 5-15 parts of aramid pulp, 10-20 parts of reinforced fiber SP-6701, 20-40 parts of carbon black, 4-7 parts of peroxide crosslinking agent, 1-4 parts of assistant crosslinking agent, 0.5-1.5 parts of hexamine, 2-5 parts of plasticizer and 1-3 parts of antiaging agent. The invention also relates to a manufacturing method of the synchronous belt. According to the high-strength synchronous belt and the manufacturing method thereof, the hydrogenated butadiene-acrylonitrile rubber and the chloroprene rubber are used together, so that the performances of the hydrogenated butadiene-acrylonitrile rubber and the chloroprene rubber are complementary, and thus the wear resistance and the heat resistance of the adhesive piece of the synchronous belt can be effectively improved; the shear strength and the quality stability of the synchronous belt are improved by use of the trans 1, 4-polyisoprene, the methylacryloyl silane and the aramid pulp.

The invention discloses a heat melting high-wear-resistant anti-pollution yellow traffic marking material and a preparation method thereof. The preparation method is used for preparing the traffic marking material in the technical field of traffics. The heat melting high-wear-resistant anti-pollution yellow traffic marking material comprises the following components: petroleum resin, modified rosin resin, di-n-butyl phthalate, glass beads, an ethylene vinyl acetate copolymer, microcrystalline wax, refined white mineral oil, quartz sand, quartz powder and cadmium yellow. The traffic marking material prepared by using the preparation method not only can be used for improving the wear resistance and anti-pollution capacity of a traffic marking, but also can be used for increasing the adhesive force of the traffic marking.