936 results about "Composite surface" patented technology

A lightning protection appliqué incorporates a plurality of conductive plies adhesively affixed to a composite surface, at least a first one of the plies providing conductive characteristics sufficient to divert electrical energy from a lightning strike and at least a second one of the plies comprising operational circuitry. A dielectric ply is fixed to the composite surface over and completely covering at least one metal surface feature between the plurality of conductive plies and the composite surface.

A method and apparatus for lighting protection. In one advantageous embodiment a method forms a lighting protection system on a composite surface of an aircraft. A dielectric coating is formed on the composite surface in which the dielectric coating covers a metal feature exposed on the composite surface. A metal adhesion promoter is applied in a pattern on the dielectric coating and over additional areas of the composite surface, including a grounding feature to form a metal adhesion promoter layer. A metal coating is formed on the metal adhesion promoter layer to create a path from an area including the metal feature to the grounding feature.

The invention discloses a cold rolling manufacture method of copper and aluminum composite plate strips. The cold rolling manufacture method comprises the following steps that: 1, a copper plate and an aluminum plate are subjected to homogenization annealing treatment; 2, surface treatment is carried out: firstly, the copper plate and the aluminum plate subjected to the homogenization annealing treatment are subjected to soaking degreasing, then, the copper plate and the aluminum plate subjected to the soaking degreasing are taken out for drying, and next, the composite surfaces to be rolled of the copper plate and the aluminum plate are ground by a stainless steel wire brush; 3, the copper plate and the aluminum plate are subjected to cold rolling compounding by a cold rolling mill, so copper and aluminum composite plate blanks are obtained; and 4, the copper and aluminum composite plate blanks subjected to the cold rolling are subjected to the diffusion annealing treatment. The cold rolling manufacture method has the advantages that through improving the cold rolling process operation and the process parameters, the copper plate and the aluminum plate are subjected to full diffusion and chemical reaction on the composite surfaces in the manufacture process, so the transition structure with excellent performance is obtained at the composite surfaces, and the bonding intensity of finished products is effectively improved.

The invention relates to a composite manufacturing method of an ultra-thick steel plate, which adopts a method of high-temperature hydrogen reduction and hot rolling for producing an ultra-thick steel plate and belongs to the field of steel rolling in the metallurgical industry. The technical scheme is as follows: the composite manufacturing method sequentially comprises the following process steps: preparing a base material and a covering material; carrying out surface treatment on the base material and the covering material; carrying out welding and combined blanking on the side part of a composite surface; carrying out high-temperature hydrogen reduction; vacuumizing and sealing a composite cavity; heating and rolling; carrying out hot straightening; cooling and inspecting; and collecting and warehousing the finished product. The composite manufacturing method has the following benefits: the ultra-thick steel plate with the thickness of greater than 100mm can be manufactured by the composite manufacturing method, stratification and cracking can be avoided during shearing, drilling and other processing operations, the method overcomes the problems existing in the production of ultra-thick steel plates with the thickness of greater than 100mm in the background art, and the composite manufacturing method has the characteristics of good internal quality of the product, reasonable process steps, high efficiency, low investment, convenient operation process and the like.

The invention provides a composite surface coating for blast furnace tuyere and a preparation method thereof. The composite surface coating for blast furnace tuyere is composed of a bottom layer, a transition layer and a surface layer; wherein the bottom layer is made by Ni-based alloy material by plasma surfacing technique; the transition layer is made by NiCrAl alloy material by supersonic speed flame plating technique; the surface layer is made by mixture of ZrO2Y2O3 and Al2O3 by plasma spraying technique. As the composite surface coating is adopted for surface treatment of the blast furnace tuyere, the gradient change of linear expansibility between the coating and copper parent metal is realized; and the wearing resistance and thermal shock resistance of the blast furnace tuyere are ensured; pitting resistance is improved, the service life of the blast furnace tuyere is prolonged, the requirement of optimizing maintaining model of the blast furnace is met, stable and smooth production of the blast furnace is ensured, and equipment maintenance cost is greatly reduced.

A composite surface having a thickness from 10 to 5,000 microns comprising a spinel of the formula Mn_xCr_3−xO₄ wherein x is from 0.5 to 2 and oxides of Mn, Si selected from the group consisting of MnO, MnSiO₃, Mn₂SiO₄ and mixtures thereof which are not prone to coking and are suitable for hydrocarbyl reactions such as furnace tubes for cracking.

The present invention relates to a method of lubricating an aluminium-composite surface by supplying to the aluminium composite surface (typically an internal combustion engine aluminium surface) a lubricating composition comprising an oil of lubricating viscosity and an ashless antiwear agent.

The invention discloses a non-magnetic cube texture Cu-based alloy composite base band. The non-magnetic cube texture Cu-based alloy composite base band is prepared by compositing surface layers and a core layer and has the structure of surface layer, core layer and surface layer, wherein each surface layer is copper-nickel alloy in which the weight percentage of nickel is less than 50 percent; and the core layer is nickel-tungsten alloy in which the atomic percentage of tungsten is between 9 and 12 percent. A preparation method by using powder metallurgy comprises the following steps: (1) initial powder mixing and mold filling; (2) compressing and sintering of a composite green compact; (3) deforming and rolling of the sintered composite bullet; and (4) recrystallizing heat treatment for a cold rolling base band. The preparation method improves the mechanical strength of the whole base band and simultaneously ensures the non-magnetic performance of the whole base band; and the composite base band has high yield strength.

The invention discloses a buffering energy-absorbing web reinforced composite anti-collision device. The device comprises an anti-collision unit (1); the anti-collision unit (1) comprises a shell (2) and a filling material body (3) positioned in the shell (2); the shell (2) is a solid shell consisting of a composite surface layer (4) or a sandwiched shell consisting of a composite surface layer (4) in which a sandwich material (5) is filled and the sandwich material (5); and the filling material body (3) comprises a spatial lattice body (6) and a dissipative material (7), the spatial lattice body (6) is formed by arranging fiber webs (8) in the shell (2) in a single-layer unidirectional, single-layer bidirectional, multi-layer unidirectional or multi-layer multi-directional mode, and the dissipative material (7) is positioned between the fiber webs (8) and/or the fiber webs (8) and the inner wall of the shell (2). The anti-collision device has the characteristics of low cost, strong anti-collision property and long service life, and is easy to assemble and replace and suitable for popularization and use.

A method of forming a cutting element that includes filling at least one non-planar region on an upper surface of a carbide substrate with a diamond mixture, subjecting the substrate and the diamond mixture to high pressure high temperature sintering conditions to form a reduced-CTE substrate having polycrystalline diamond that extends a depth into the reduced-CTE substrate in an interface region, and an upper surface made of a composite surface of diamond and carbide, and attaching a polycrystalline diamond body to the composite surface of the reduced-CTE substrate is disclosed.

The invention discloses a composite sandwich structure cable bridge which is convenient to popularize and simple and convenient to construct, can effectively improve rigidity and can realize high load bearing capacity and large span. The composite sandwich structure cable bridge comprises a trough type unit and a cover plate unit, the trough type unit comprises side plates and a bottom plate, the side plate and bottom plate structure comprises one or combination of a solid shell comprising a composite surface layer, a sandwich solid body comprising a composite surface layer and sandwich materials, a sandwich solid body comprising a composite surface layer and a lattice web plate and a sandwich solid body comprising a composite surface layer, sandwich materials and a lattice web plate, and each of the side plates and the bottom plate is provided with at most one solid shell structure comprising the composite surface layer. The composite sandwich structure cable bridge can be arranged on large communication and power transmission lines of subways, bridges and the like.

Modified mineral fillers, derived from either a coarse particle kaolin clay or a coarse particle ATH, having excellent utility in thermoset polymers as low paste viscosity fillers are disclosed. The method of treatment involves the use of specific weight ratio combinations of a silane and a long chain aliphatic alcohol. The treatment of clay can also involve the auxiliary use of a surfactant in small amounts, which is utilized to emulsify the silane and aliphatic alcohol treatment components in water either individually or as a co-emulsion blend prior to their addition to the clay. The surfactant, which is preferably a nonionic surfactant having a HLB value of 12-18, aides in uniformly treating all the clay particle surfaces with the silane/alcohol treatment combination. Coarse particle clays having general utility in the invention are those having an average Stokes equivalent particle diameter of at least 3.0 microns, while the coarse particle ATH fillers having general utility in the invention are those having a BET surface area value less than 5.0 m2/g. Clays or ATH so treated with the inventive silane/alcohol treatment provide unique viscosity reduction benefits in thermoset polymers unattainable by using either treatment additive alone in any amount. This low viscosity characteristic allows the treated mineral products to be used at high loadings in various thermoset compounds, as fillers or extenders, which is advantageous in terms of reducing cost and/or gaining certain performance properties, such as physical reinforcement, composite surface smoothness or flame retardancy.

The invention discloses a flexible decorated brick for exterior wall insulation system, mainly comprising main-body bricks or a composite surface coating of main-body bricks. The main-body brick formula contains major components of soil and acrylic emulsion, and further contains dispersant, softening agent, coloring agent, flame retardant, antifreeze and water according to different product performance requirements. The surface coating formula contains the main components of metal powder or a compound powder of more than two kinds of non-metallic powder or metal powder and acrylic emulsion and further contains dispersant, softening agent, coloring agent, flame retardant, antifreeze and water according to the needs of different product performances. The product of the invention is light-weighted, freeze-thaw resistance, anti-aging, high in bond strength, flexible and good in water-repellent and permeability, the pollution resistance of which is equivalent to that of polished tiles and the color of which is as rich as the paint and the appearance of which can be made into a decorative texture of metal curtain walls, stone walls, ceramic, wood, leather or cloth. Particularly, the inventive product has an excellent compatibility with the exterior insulation system, suitable for the decorated layer of the exterior insulation system. In addition, the inventive product avoids using the clay resource which is in shortage as the main production raw material and is a low-cost, environment-friendly flexible decorated material with high performance for exterior wall insulation system.

The invention relates to a preparation method of a dental implant and a composite surface thereof. In the dental implant, medical titanium or titanium alloy is used as a substrate, and porous morphology is prepared on the surface while polydopamine and hydroxyapatite are deposited to obtain a dental implant composite surface with good bioactivity. In the invention, a uniform multi-layer pore oxidation film is quickly formed on the surface of the titanium substrate to obtain nano porous morphology; and by enabling a thin layer of protein analogue (polydopamine) to tightly adhere to the surface, the surface hydrophilicity and the corrosion resistance of the dental implant can be improved. Finally, the hydroxyapatite deposition is induced on the surface to obtain a three-layer composite surface; moreover, the nano porous composite surface can effectively reinforce the adhesion and spreading of osteoblast on the implant surface as well as the alkaline phosphatase activity, early bone integration of the implant is accelerated, and firm combination of the material and the organism interface is realized so as to improve the stability and success rate of the implant.

The invention relates to an organic-inorganic composite emulsion water-and-oil-repellent finishing agent and the application thereof. The preparation method of the finishing agent comprises the following steps of: (1) adding deionized water, composite surface active agent and an ethylene-contained silane coupling agent to a container provided with a stirrer, a reflux condensing tube and a thermometer, stirring at a high speed, adding ammonia, continuously and rapidly stirring and making the material react to obtain a functionalized nano SiO2 aqueous dispersion; and (2) adding the functionalized nano SiO2 aqueous dispersion and parts of monomer emulsified in advance and an initiator to the container provided with the stirrer, the reflux condensing tube and the thermometer, increasing the temperature, slowly dipping the rest monomer emulsified in advance and a fluorinated acrylate monomer, simultaneously dipping the rest initiator, cooling and adjusting the pH value to be 7-8. The finishing agent of the invention has favorable dispersion stability as well as favorable water and oil repellence when applied to textiles, and the preparation method is simple and suitable for industrial production.

The invention relates to a surface active agent composition for tertiary oil recovery, and a preparation method and application thereof, and mainly solves the problems of poor displacement efficiency, and harm to the stratum and the oil field, corrosion of equipment and pipeline and difficult demulsification due to oil inorganic alkali contained in displacement system. The composition includes a cationic surface active agent and an anionic-non-ionic surface active agent; the cationic surface active agent is at least one selected from the group consisting of quaternary ammonium salt and quaternary ammonium alkali; the anionic-non-ionic surface active agent has the following general formula; and R represents C1-C30 alkyl or acyl, a m1+m2=0-100, n1+n2=0-100, R1 and R2 are independently selected from the group consisting of C1-C10 alkylene and substituted alkylene, Y1 and Y2 are independently selected from the group consisting of -SO3 (M) r and -COO (N) s, M and N are independently selected from the group consisting of H, alkali metal, ammonium or alkali-earth metal. The technical scheme well solves the problem, and can be used in intensified oil production of oil field.

The invention relates to a composite insulating energy-saving light concrete wallboard as well as a preparation method thereof. The wallboard comprises an aerated concrete core plate, wherein wallboard composite surface layers are spliced on two surfaces with the maximum area of the aerated concrete core plate. The preparation method comprises the following steps: preparing slurry; preparing a framework of steel reinforcement; preparing the aerated concrete core plate; and finally preparing the wallboard. The wallboard has good building energy efficiency and meets the demand of circular economy. The wallboard prepared is internally provided with the framework of steel reinforcement, so that the wallboard has good sound insulating performance, high breaking strength and good nailing and hanging performance. The calcium silicate board veneering light wallboard fully meets the demand of wall function and creates advantages for environment-friendliness, energy saving, waste utilization and circular economy, so that the wallboard is the optimum product for revolution of current wall materials. Therefore, the wallboard has a good development prospect.

The invention provides a multifunctional plating assistant agent used for hot dip plating, belonging to the technical field of the surface plating technique of steel and iron materials. The technical proposal is as follows: the aqueous solution of the plating assistant agent has the following components of zinc chloride, sodium chloride, potassium chloride, sodium fluoride and a composite surface active agent synthesized by fluorocarbon and hydrocarbon surface active agents with the respective proportion in sequence of 40 to 200g/L, 20 to 50g/L, 20 to 60g/L, 0 to 50g/L, 5 to 30g/L, 0.5 to 5g/L, and the balance of water. The plating assistant agent can improve the plating assistant effect of the plating assistant on the surface of the steel and iron part, prevent the steel and iron part after plating assistance from being oxidized secondarily in air, improve the quality of the surface plating layer of the steel and iron, does not generate zinc burst when in hot dip plating, reduces the dust amount generated by zinc bath surface when in hot dip plating, not only is suitable for hot dip plating, but also is suitable for hot dip aluminium plating.

The invention relates to a production process of a hot-rolled composite blank. The production process comprises the following steps of: (1), cleaning base metal plates and clad metal plates, and cleaning the surface of a to-be-composited surface by use of a milling machine so that the surface is clean; (2), putting a high-temperature antisticking agent between the two clad metal plates, and putting the two superposed clad metal pates between the two base metal plates; (3), putting base plate metal strips at the parts, which are adjacent to the edges, of a gap between the two base metal plates, and performing spot welding on the base metal plates and the base plate metal strips so that the metal plates are fixed to form a blank; (4), sealing the peripheral edges of the blank by virtue of welding the blank via vacuum electron beam welding so as to form a dual-metal composite steel plate blank; and (5) heating the dual-metal composite steel plate blank in a heating furnace, discharging the blank out of the heating furnace, rolling the blank by virtue of a high-power medium and heavy plate mill, straightening after rolling, and trimming to obtain the hot-rolled composite blank. The production process is simple, good in combination quality, high in efficiency, relatively low in production cost, short in period, easy for production organization and low in loss.

The invention discloses a C/SiC composite surface coating system and a preparation method thereof. The surface coating system is arranged on the surface of a substrate of a C/SiC composite and comprises a mullite coating and an yttrium silicate coating which are sequentially distributed from bottom to top. The preparation method comprises steps as follows: (1), preparing Al2O3-SiO2 composite sol; (2), preparing raw mud materials of the yttrium silicate coating; (3), preparing the mullite coating; and (4), preparing the single-layer yttrium silicate coating or the multi-layered yttrium silicate coating. The C/SiC composite surface coating system has the characteristics of high densification and high temperature resistance, and the preparation method of the C/SiC composite surface coating system has engineering application universality.

The invention relates to a production method of a copper-steel composite plate. The production method comprises the following steps of: performing surface cleaning, performing texturing treatment, spraying a binding layer, rolling and annealing, wherein before rolling, alloy plating layers are respectively plated on the surfaces of a steel plate and a copper plate, which need to be compounded through an immersion plating or spray coating way, the thickness of each plating layer is 4-8 mu m, and each alloy plating layer contains the following components: 6-8 parts by weight of Zr, 25-50 parts by weight of Zn, 5-30 parts by weight of Al, 10-40 parts by weight of Fe, 0.5-1 part by weight of Si and 0.4-0.6 part by weight of Mo. The production method disclosed by the invention has the beneficial effects that as the bonding layers with the mixture ratio are adopted, the direct bonding property between the steel plate and the copper plate is good; in addition, the compounding temperature is lower, the rolling reduction is smaller and the working cost is saved; and the composite copper-steel material prepared by the method disclosed by the invention has the advantages of high strength, high plasticity and toughness and excellent stress and corrosion resistance.