167 results about "Silumin" patented technology

The disclosure provides Si-free aluminum alloys comprising Ce, Zn, and Mg suitable for laser powder bed fusion (LPBF) 3D printing. The printed components can be subjected to hot isostatic pressing and further heat treated to provide 3D printed components exhibiting higher hardness than existing Al-Si based alloys produced under the same conditions. The Si-free aluminum alloy resists coarsening of second phase on HIP, retaining high strength and hardness. The alloy also does not need separate solutionizing and water quenching following HIP, thus saving cost, time and permitting design of more delicate and intricate geometries.

The utility model provides a low-temperature brittle-fracture-resistant special alloy plate. The low-temperature brittle-fracture-resistant special alloy plate is characterized in that the alloy plate is arranged in a frame assembly, the alloy plate comprises a base layer, two reinforcing layers, two composite layers and two wear-resistant layers, the base layer is made of high-strength 7075 aluminum alloy and used for providing bearing capacity, the reinforcing layers are made of ferrite and used for preventing cracks from expanding, and the composite layers are made of high-strength aluminum alloy and used for providing high-strength aluminum alloy and used for providing high-strength aluminum alloy and high-strength aluminum alloy and used for providing high-strength aluminum alloy and high-strength aluminum alloy. The composite layer is made of a nickel-based alloy material and is used for absorbing external impact energy, and the wear-resistant layer is made of a tungsten steel material and is used for increasing wear resistance; the multiple reinforcing ribs are installed at the top and the bottom of the base layer correspondingly, and butt joint openings are formed in the adjacent faces of the two reinforcing layers correspondingly. According to the low-temperature brittle-failure-resistant special alloy plate provided by the utility model, crack propagation can be effectively hindered through the design, so that when the alloy plate bears external force at a low temperature, cracks need to continuously change directions to bypass grain boundaries and consume more energy, and thus the brittle-failure-resistant capability is remarkably improved.

The utility model provides a building daylighting roof which comprises an outer frame, a daylighting assembly and a heat insulation assembly, the outer frame is made of high-strength aluminum alloy materials and fixed to the top of a building body through expansion bolts, the daylighting assembly is installed on the outer frame, and the daylighting assembly is composed of multiple layers of composite boards. Comprising an outer tempered glass layer, a middle polycarbonate sunlight plate layer and an inner dimming glass layer, and the heat insulation and heat preservation assembly is installed on the outer frame and located below the lighting assembly. The indoor temperature can be reduced in summer, the indoor temperature can be kept warm in winter, the energy consumption of an air conditioning system is reduced, and the energy-saving target of a building is achieved.

The invention provides a hard and tough alternately laminated light-weight corrosion-resistant composite material, which comprises a laminated matrix formed by periodically and alternately stacking high-strength aluminum alloy layers and carbon fiber reinforced thermoplastic resin layers; the metallurgical-mechanical composite interface is located between the high-strength aluminum alloy layer and the carbon fiber reinforced thermoplastic resin layer, forms a nanoscale coarse structure on the surface of the aluminum alloy through plasma activation treatment, and is combined with the thermoplastic resin matrix to form a transition area with mechanical interlocking and chemical bonding functions; the conductive polymer anticorrosive coating covers the surface of the outermost layer of the laminated matrix; the preparation method of the light-weight anti-corrosion composite material comprises the following steps: surface pretreatment, plasma activation treatment, laying, hot-pressing curing and preparation of an anti-corrosion coating. Through the synergistic effect of macroscopic laminated configuration design, microcosmic interface strengthening and a surface active anti-corrosion coating, the advantage of light weight is kept, and meanwhile, balanced improvement of impact wear resistance and long-acting electrochemical corrosion resistance is achieved.

The utility model discloses a smoke baffle door of a light-weight elastic sealing structure, and relates to the technical field of smoke baffle doors, the smoke baffle door comprises a door frame and a door plate arranged on the inner side of the door frame, and further comprises a sealing assembly, an elastic pressing assembly, a linkage assembly and a chimney assembly, the door frame is made of a high-strength aluminum alloy material, and the door plate is made of a carbon fiber composite material. According to the utility model, through the wavy elastic sealing gasket and the belleville spring capable of automatically compensating and pressing, the sealing performance is effectively improved, and the smoke leakage is greatly reduced; the aluminum alloy door frame and the carbon fiber composite material door plate are adopted, the weight of the baffle door is obviously reduced, installation and maintenance are convenient, meanwhile, the load of a supporting structure is relieved, and the construction cost is reduced; the device is made of a high-temperature-resistant and corrosion-resistant sealing material and a belleville spring with good buffering performance, so that the device can adapt to a severe smoke environment, and the fatigue damage of a sealing piece is reduced.

The invention belongs to the technical field of aluminum alloy material processing, and discloses a cryogenic treatment process of a 7xxx series high-strength aluminum alloy pipe, the process sequentially comprises three core steps of solution treatment, cryogenic treatment and aging treatment, and the 7xxx series high-strength aluminum alloy pipe is obtained by accurately controlling key parameters of each step. The technical problems that in a traditional T6 heat treatment process, a 7xxx series aluminum alloy pipe is uneven in precipitated phase distribution, grain refinement is insufficient, the strength and plasticity are difficult to consider, and internal stress is large are solved. After being treated by the process, the tensile strength of the pipe is improved to 705MPa, the yield strength is improved to 678MPa, the ductility is improved to 11.8%, the size of a precipitated phase in a microstructure is smaller, distribution is more uniform, the internal stress is remarkably reduced, the size stability is greatly improved, industrial batch production can be realized, and the requirements of the fields of aerospace, rail transit and the like on the high-performance aluminum alloy pipe are met.

The invention relates to the technical field of extrusion dies, in particular to a high-strength aluminum alloy extrusion die temperature compensation system which comprises a divergent die, a die holder and a die body, a plurality of divergent bridges are arranged on the divergent die, a die core is arranged in the middle of the divergent die, the divergent bridges are all connected with the die core, and the die holder is coaxially connected to the front end face of the divergent die through bolts; the water pressing groove is formed in the front end of the die holder, the section of the water pressing groove is designed to be in the frustum shape, and cooling liquid entering the water pressing groove flows from the front end to the rear end, so that the cooling effect on the front end of the forming part is higher than that of the rear end, and the situation that the extrusion forming speed of a high-strength aluminum alloy profile is affected due to temperature reduction is avoided; and meanwhile, the problem that the strength of the high-strength aluminum alloy profile is reduced due to the fact that the grain structure in the high-strength aluminum alloy is suddenly changed due to temperature suddenly changing of the high-strength aluminum alloy profile in the extrusion direction is solved, the physical property of the profile is guaranteed, and meanwhile the surface quality of the profile is guaranteed.

The invention provides a device and a method for modularly and quantitatively testing thermal runaway exhaust heat flux of a lithium ion battery, and belongs to the technical field of lithium ion battery testing. A framework of the device for modularly and quantitatively testing thermal runaway exhaust heat flux of the lithium ion battery is constructed by high-strength aluminum alloy sections; a top plate with adjustable height and peripheral baffle plates form a limited space inside a space constraint simulation battery pack, a heating trigger device is arranged inside the space constraint simulation battery pack, and a distributed temperature measurement plate array is positioned and fixed around the top of a test battery in the heating trigger device through a slot, so that the arrangement requirements of different experiment working conditions can be met; the real-time monitoring and quantitative analysis of the heat flux of the thermal runaway exhaust in the constraint space are realized; the invention provides a device and a method for modularly and quantitatively testing thermal runaway exhaust heat flux of a lithium ion battery. Experimental reduction and heat quantification of thermal runaway exhaust to a heating process of an adjacent area can be realized.

The utility model belongs to the technical field of shielding cabinets, particularly relates to a portable shielding cabinet made of lightweight composite materials, and aims to solve the problems that a main body structure of an existing device is integrally made of metal materials, and although the metal materials have excellent electromagnetic shielding performance, the self weight of the metal materials is large, so that in a scene needing frequent movement or temporary construction, the electromagnetic shielding performance of the metal materials is poor. In order to solve the problems that a traditional shielding cabinet is extremely inconvenient to carry and consumes a large amount of manpower and material resources, the utility model provides the following scheme that the portable shielding cabinet made of the lightweight composite material comprises a frame main body which adopts a frame type structure; the utility model has the beneficial effects that the frame main body is formed by splicing high-strength aluminum alloy sections, the density is low, the weight is light, the frame type structure is matched, the frame is stable, the portability is obviously improved, the carrying is easy and labor-saving, the corner connecting pieces are made of high-strength engineering plastics, the weight is reduced, electromagnetic conduction is prevented, and the shielding performance is optimized.

The utility model discloses a pipe ditch protection device for thermal engineering, which relates to the technical field of thermal engineering auxiliary equipment and comprises a plurality of protection plates, a plurality of openings are fixedly arranged at the tops and the bottoms of the plurality of protection plates, bolts are arranged in the plurality of openings in a threaded manner, the plurality of protection plates are fixedly connected through the bolts, and an elastic cushion is fixedly arranged at the bottom of one of the protection plates. The protection plate is made of high-strength aluminum alloy and provided with the abrasion-resistant and corrosion-resistant coating, the buffering assemblies on the edges of the bottom and the top can effectively absorb and disperse impact of external force and protect a pipe ditch and a pipeline, the heat preservation layer on the inner side can reduce heat loss, heat transmission efficiency is improved, the protection plate can be rapidly connected and detached, and the service life of the protection plate is prolonged. And the construction efficiency is greatly improved.

The utility model relates to the technical field of integrated welding jigs, in particular to a photovoltaic module integrated welding jig which comprises a copper bottom plate positioning plate, a first groove is formed in the upper surface of the copper bottom plate positioning plate, a copper bottom plate is arranged in the first groove, and a DBC substrate is fixedly arranged on the upper surface of the copper bottom plate. A plurality of contact pins are fixedly arranged on the upper surface of the DBC substrate, and a DBC fixing frame is arranged in the first groove. The frame is made of high-strength aluminum alloy materials, the overall strength of the jig is guaranteed, the weight is reduced, the jig is convenient to operate and move, the frame has enough rigidity, the stability of the jig in the welding process can be guaranteed, a plurality of contact pins are used for assisting a part to be welded, and the welding efficiency is improved. And the position of the to-be-welded part on the jig can be ensured to be accurate, so that the welding efficiency and the production quality and consistency of the photovoltaic module are improved.

The utility model relates to the technical field of ship hydraulic control equipment, in particular to a modularized integrated control valve group for a ship hydraulic clutch. The device comprises a main valve group, a first functional module valve group, a second functional module valve group, a third functional module valve group and a top plate are sequentially arranged above the main valve group, and the first functional module valve group and the third functional module valve group are the same in internal structure; according to the utility model, a modularized sandwich valve group framework is adopted, and standardized valve block units are superposed on the basis of a main oil inlet valve block, so that a main valve block does not need to be redesigned when a module is newly added, a control loop can be expanded only by increasing or decreasing the standardized units, and the volume and complexity of multi-path control are remarkably reduced; aiming at a ship high-salt-fog environment, the valve block base material is made of high-strength aluminum alloy and adopts the zinc-plated nickel alloy composite coating, the surface corrosion resistance is improved through the electroplating and passivation dual process, and meanwhile, the salt-fog-resistant elastic sealing ring is used, so that the leakage risk caused by corrosion is reduced.

The utility model discloses a kind of tensile composite cable in the technical field of cable, and cable is composed of torsion-resistant combination core, conductor, nanometer composite insulation layer, shielding structure layer and protective sleeve. Torsion-resistant combination core is woven by high-carbon steel wire, glass fiber and kevlar fiber according to 1:1:1 proportion three-dimensionally, provides high strength and torsion resistance ability;Conductor is high-strength aluminum alloy wire with conductive ceramic coating on surface, is double helix winding outside torsion-resistant combination core, enhances flexibility and tensile property;Nanometer composite insulation layer is composed of nanometer silicon dioxide, nanometer aluminum oxide and high-molecular polymer base material, is equipped with tiny air passage inside, improves insulation performance and heat dissipation effect;Shielding structure layer includes tinned copper wire braiding shielding layer and aluminum-plastic composite film shielding layer, and the two are connected closely by conductive glue, effectively shield electromagnetic interference. Overall design significantly improves the tensile, torsion resistance, environmental resistance and shielding level of cable, meets the use demand under complex environment.

The application relates to the technical field of cables, and discloses a high-strength aluminum alloy medium-voltage power cable. The high-strength aluminum alloy medium-voltage power cable comprises, from inside to outside, an aluminum alloy conductor and an insulation layer; the insulation layer is a cross-linked polyethylene nano-composite insulation material, and the raw material components of the cross-linked polyethylene nano-composite insulation material comprise, in terms of weight fractions, 100 parts of a base resin, 3-8 parts of core-shell-star compounded inorganic nano-filler, 0.5-1 part of an antioxidant and 1.5-2.5 parts of a cross-linking agent; the core-shell-star compounded inorganic nano-filler is silica-coated nano-aluminum nitride grafted with polyhedral oligomeric silsesquioxane, and is denoted as AlN@SiO2-POSS. In the application, the inorganic nano-composite filler is used to improve the thermal conductivity of the cable insulation layer, and meanwhile, the dielectric strength, mechanical tensile property and heat aging resistance of the cable are improved.

The utility model discloses an A column lower inner reinforcing plate which comprises a reinforcing plate body, the reinforcing plate body is arranged to be a multi-layer composite plate, the multi-layer composite plate comprises an outer-layer steel plate, a high-strength aluminum alloy plate and an inner-layer steel plate, and the high-strength aluminum alloy plate is arranged between the outer-layer steel plate and the inner-layer steel plate. A plurality of groups of lightening holes are formed in the side surface of the reinforcing plate body, and an auxiliary component for conveniently positioning and mounting the reinforcing plate body is arranged on the side surface of the reinforcing plate body; the auxiliary assembly comprises a positioning block and a positioning module used for positioning the reinforcing plate body and the positioning block, and the positioning block is fixedly installed on the side face of the A column. The reinforcing plate body is arranged to be a multi-layer composite plate, high-strength support is provided through the outer-layer steel plate and the inner-layer steel plate, the overall weight is reduced while the strength is guaranteed through the high-strength aluminum alloy plate, meanwhile, the overall weight is further reduced through the multiple sets of lightening holes, and therefore the structural strength of the lower portion of the A column is improved, and the service life of the lower portion of the A column is prolonged. And the fuel economy of the vehicle is prevented from being influenced by overweight vehicle body.

The application discloses a high-strength aluminum alloy profile for a crash beam and a preparation method thereof. The aluminum alloy profile comprises, in percentage by mass, Si: 0.42%-0.62%; Fe: 0.15%-0.30%; Cu: 0.18%-0.35%; Mn: <=0.15%; Mg: 0.87%-1.07%; Cr: 0.06%-0.24%; Zn: <=0.10%; Ti: 0.02%-0.14%; La-based rare earth: 0.05%-0.15%; Ge: 0.02%-0.05%; and the balance of Al and inevitable impurities. The application optimizes the components of the 6-series aluminum alloy, reduces the content of Fe and Zn, introduces a small amount of Ge, Ge can replace part of Si, compared with Si, forms a composite phase with higher density and better coherence with the matrix, and improves the strength of the aluminum alloy. In addition, Sc is also introduced, and Sc and Ge have a good synergistic effect with other elements, which significantly improves the strength and toughness of the aluminum alloy.

The invention relates to the technical field of aluminum alloy, and provides a preparation method of a medium-high-strength aluminum alloy component, which comprises the following steps: S1, heating an initial aluminum alloy profile at a temperature T2, and preserving heat, so that a GP region of the aluminum alloy profile is re-dissolved in a matrix; a base body of the initial aluminum alloy profile comprises a GP area; s2, the aluminum alloy profile obtained in the step S1 is subjected to hot forming; and S3, the aluminum alloy profile obtained in the step S2 is cooled, and then aging treatment is conducted. According to the preparation method of the medium-high-strength aluminum alloy component, on the premise that the strength of the aluminum alloy component is guaranteed, the plasticity of the aluminum alloy component in the complex shape forming stage is remarkably improved, meanwhile, deformation caused by heat treatment is reduced to the maximum extent, the technological process is simplified, and the production cost is reduced.

The invention discloses a high-strength corrosion-resistant overhead insulated wire and a manufacturing process and application thereof, and belongs to the technical field of power transmission. The wire adopts a multi-layer structure design of a high-strength aluminum alloy conductor core (containing 0.3%-0.8% of copper, 0.5%-1.2% of magnesium and 0.2%-0.6% of silicon), a cross-linked polyethylene inner insulating layer, an aramid fiber and stainless steel wire net composite reinforcing layer (the layer number ratio is 2: 1), and a corrosion-resistant outer insulating layer (a surface microscopic concave-convex structure) added with nano zinc oxide / titanium dioxide filler (3%-5%); the problems that a traditional wire is insufficient in strength and prone to corrosion and aging are solved in cooperation with electromagnetic stirring smelting, precise temperature control extrusion and other processes. Experiments show that the tensile strength of the lead reaches 350-420 MPa, the direct-current resistivity is low, the insulation resistance retention rate in the salt mist / acid rain / ultraviolet environment exceeds 92%, the lead is suitable for high-voltage power transmission and medium-voltage power distribution systems, the service life can be remarkably prolonged, and the maintenance cost can be reduced.

The utility model relates to the technical field of automobile parts, and discloses a high-strength aluminum alloy support plate for an automobile engine, which comprises a support plate body, a reinforcing and stabilizing component and a protective component are fixedly mounted above the support plate body, the reinforcing and stabilizing component comprises a reinforcing rib fixedly mounted on the surface of the support plate body, and the protective component is fixedly mounted on the surface of the support plate body. The protection assembly comprises an installation plate arranged above the reinforcing ribs, U-shaped aluminum alloy fixing plates are fixedly installed between the supporting plate body and the two sides of the installation plate, the criss-cross reinforcing ribs construct a firm supporting network on the surface of the supporting plate body, and the space design of the supporting plate body reduces the weight and maintains the strength at the same time. The rigidity and bearing capacity of the supporting plate body are improved, vibration and gravity are effectively resisted, deformation is prevented, the supporting plate body and an engine or a vehicle body part are accurately and stably connected through connecting pieces such as bolts through the first mounting holes and the second mounting holes of the flanges, the flanges and the mounting plate are connected through the auxiliary fixing strips, and the structural integrity and stability are further strengthened.

The utility model relates to a high-strength light-weight vehicle cellular board which comprises a top layer cellular hole, a bottom layer cellular hole and a middle cellular hole, the top layer cellular hole, the bottom layer cellular hole and the middle cellular hole form a cellular hole unit, and peripheral holes incline towards a central hole at the same curvature. Through the unique honeycomb hole structure design, stress is effectively dispersed, the strength is improved, meanwhile, the weight is reduced, and the problem that the strength and the light weight of an existing vehicle honeycomb plate are difficult to balance is solved. Honeycomb holes are of a hexagonal structure and are tightly arranged to form a honeycomb shape, material consumption is reduced, and light weight is achieved. Connecting edges are arranged at the tops and the bottoms of the top-layer honeycomb holes and the bottom-layer honeycomb holes and used for being connected with other parts, the connecting edges and the honeycomb holes are connected through reinforcing ribs, and the edge strength is enhanced. Edge sealing structures are arranged on the side faces of the cellular board, internal cellular holes are prevented from being damaged, and connecting holes are formed in the edge sealing structures and used for being fixedly connected with other parts. The cellular board is made of high-strength aluminum alloy.

The invention relates to the technical field of aluminum alloy, in particular to a heat treatment method for preparing a high-strength aluminum alloy strip and the aluminum alloy strip, the aluminum alloy strip comprises an aluminum alloy matrix and a reinforcing agent, and the reinforcing agent comprises lanthanum oxide powder, nickel powder and cobalt powder; the heat treatment method for preparing the high-strength aluminum alloy strip comprises the steps of smelting, ingot casting, tempering, surface milling, hot rolling, cold rolling, intermediate annealing treatment, finish rolling, rough finished product annealing and slitting. The step of annealing the crude finished product comprises the following steps: primary annealing: uniformly heating the crude finished product to 170-190 DEG C, preserving heat for 1.5-2.5 hours, then heating to 200-230 DEG C, preserving heat for 1.4-2.5 hours, then heating to 240-270 DEG C, preserving heat for 7-11 hours, and cooling along with a furnace; secondary annealing: heating the annealed crude finished product to 350-450 DEG C, preserving heat for 4-6 hours, and cooling along with the furnace; the method has the advantage of simultaneously improving the strength and toughness of the aluminum alloy.

The utility model relates to the technical field of aluminum alloy sections, in particular to an easy-to-weld high-strength aluminum alloy section which comprises an aluminum alloy section body, four mounting holes are formed in the right side of the aluminum alloy section body, and four mounting rods matched with the mounting holes are arranged on the left side of the aluminum alloy section body. A reinforcing frame is arranged in an inner cavity of the aluminum alloy profile body, reinforcing covers are arranged at the joints of the periphery of the outer side of the reinforcing frame and the aluminum alloy profile body, and reinforcing rods are arranged in inner cavities of the reinforcing covers. When the aluminum alloy section body is used, the aluminum alloy section body transmits force to the reinforcing cover, the reinforcing cover transmits the force to the reinforcing rod, and the reinforcing rod transmits the force to the reinforcing frame, so that the aluminum alloy section body has more stress points in use, deformation of the aluminum alloy section body in use is avoided, and the service life of the aluminum alloy section body is prolonged. And therefore, the aluminum alloy profile main body cannot be normally used.

The utility model relates to the technical field of aluminum alloy sections, in particular to a high-strength aluminum alloy section for a combined energy-saving curtain wall, which comprises a stand column, a plurality of rib columns distributed at equal intervals are arranged on the inner side of the stand column, and ribs are arranged on the periphery of each rib column. The cross beams are located on the front side and the rear side of the stand column, fixing cylinders are arranged on the inner sides of the cross beams, and reinforcing fins are fixedly connected between the peripheries of the outer surfaces of the fixing cylinders and the inner walls of the cross beams. Under the action of the rib columns, the ribs and the honeycomb fiber braid layer, the aluminum alloy profile has the advantages of high strength and large bearing load, and the problem that the aluminum alloy profile for the combined energy-saving curtain wall possibly has insufficient strength in certain specific application scenes is solved; in particular, in a large-span, high-wind-pressure or complex-modeling curtain wall system, most traditional aluminum alloy sections are designed into single cavities, and deformation is prone to occurring when large loads are borne.

The utility model relates to the technical field of movable skylights, in particular to an electric sliding skylight which comprises an upper cover plate, a structural frame is movably connected to the lower portion of the upper cover plate, a connecting groove is formed in the surface of the structural frame, a supporting frame is movably connected to the lower end of the structural frame, and a linear module is movably connected to one side of the supporting frame. The other side of the supporting frame is movably connected with a driven sliding rail, the surface of the linear module is movably connected with an electric sliding block, the surface of the linear module is movably connected with a stepping motor, and the surface of the driven sliding rail is movably connected with a driven sliding block. The upper cover plate is arranged at the top of the carriage, flying equipment can take off and land conveniently, one-key opening and closing are achieved through the linear module and the stepping motor, after the upper cover plate is opened, the size of a through opening is enough for the flying equipment to go in and out, and the driven sliding rail and the linear module are made of small-size and high-precision open type lead screw modules and high-strength aluminum alloy rails. Friction resistance is reduced, and stable sliding is ensured.

The invention provides an in-situ synthesis reinforced high-strength aluminum alloy and a manufacturing method thereof, and relates to the technical field of aluminum alloys. The invention discloses a manufacturing method of an in-situ synthesized reinforced high-strength aluminum alloy. The manufacturing method comprises the following steps: S1, carrying out primary drying treatment, ball milling and secondary drying treatment on reaction salt to obtain a mixed material; s2, after an aluminum alloy matrix is melted and drossing is conducted, the mixed material and rare earth oxide are added, heating, stirring and heat preservation are conducted, and a composite aluminum alloy melt is obtained; s3, the composite aluminum alloy melt is subjected to slagging-off, refining and impurity removal, pouring and cooling forming, and a cast ingot is obtained; and S4, the cast ingot is subjected to homogenization treatment, extrusion forming, solid solution treatment and aging treatment, and the aluminum alloy is obtained. The aluminum alloy provided by the invention has high strength.

The invention provides a precipitation heterogeneous aluminum alloy material with adjustable toughness and a preparation method of the precipitation heterogeneous aluminum alloy material, and belongs to the technical field of preparation of heterogeneous materials. According to the method, low-strength pure aluminum or aluminum alloy wires are put into high-strength aluminum alloy bars with holes, wire-bar composite raw materials are obtained through a welding method and serve as additive friction stirring deposition raw materials, heterogeneous aluminum alloy materials are prepared, solid solution and aging heat treatment is conducted on the heterogeneous aluminum alloy materials, and the precipitated heterogeneous aluminum alloy with excellent strength and toughness matching is obtained; and the plasticity is greatly improved while the material strength is ensured. The obdurability of the heterogeneous aluminum alloy can be further regulated and controlled by adjusting the material components, the volume ratio and the distribution of the wires and the bars as well as a subsequent additive friction stir deposition process and a heat treatment process.

The utility model discloses a fixing support for an automobile windscreen wiper, which relates to the technical field of windscreen wiper fixing supports and comprises an arc-shaped supporting plate and a supporting mechanism arranged on the arc-shaped supporting plate. The connecting assembly is arranged on the supporting mechanism; the windscreen wiper mechanism is arranged on the connecting assembly; the weight reduction assembly is arranged on the windscreen wiper mechanism; the supporting arm and the X-shaped supporting pieces which are made of high-strength aluminum alloy are matched with the windscreen wiper strip body which is also made of high-strength aluminum alloy, the weight can be greatly reduced while the structural strength is kept, the labor intensity of workers in the machining process is reduced, the weight of the whole vehicle is reduced, and the service life of the whole vehicle is prolonged. When the windscreen wiper runs, the required oil consumption is lower, and the practicability is higher; the supporting mechanism and the windscreen wiper mechanism can be fixedly connected by inserting the inserting plate into the connecting piece and screwing the rotary knob to penetrate through the inserting plate, a user can conveniently disassemble and assemble the supporting mechanism and the windscreen wiper mechanism in the using process, use is convenient, and operation is easy.

The utility model relates to the technical field of toys, and disclose a kind of high-strength aluminum alloy framework for robot cat, including body and base, the bottom of body is fixedly connected with base, the top of body is fixedly connected with skull, the inside of skull is hollowed out and is arranged, the both sides of body are provided with arm rest, the inside of body is provided with driving part, the driving part includes the connecting shaft of setting in the inner wall of body, connecting component, setting in the one side of arm rest, the connecting component includes the connecting seat fixed in the one end of arm rest, the inner wall of connecting seat is equipped with two locating holes, two the locating holes are symmetrically arranged;The utility model is made of high-strength aluminum alloy robot cat framework, with the advantages of small density and high strength, improves the support strength of framework and reduces the structure weight, and through setting connecting component, arm rest can be conveniently disassembled and replaced, convenient operation.