1410results about How to "Improve ductility" patented technology

A CF8C type stainless steel alloy and articles formed therefrom containing about 18.0 weight percent to about 22.0 weight percent chromium and 11.0 weight percent to about 14.0 weight percent nickel; from about 0.05 weight percent to about 0.15 weight percent carbon; from about 2.0 weight percent to about 10.0 weight percent manganese; and from about 0.3 weight percent to about 1.5 weight percent niobium. The present alloys further include less than 0.15 weight percent sulfur which provides high temperature strength both in the matrix and at the grain boundaries without reducing ductility due to cracking along boundaries with continuous or nearly-continuous carbides. The disclosed alloys also have increased nitrogen solubility thereby enhancing strength at all temperatures because nitride precipitates or nitrogen porosity during casting are not observed. The solubility of nitrogen is dramatically enhanced by the presence of manganese, which also retains or improves the solubility of carbon thereby providing additional solid solution strengthening due to the presence of manganese and nitrogen, and combined carbon.

High temperature aluminum alloys that can be used at temperatures from about −420° F. (−251° C.) up to about 650° F. (343° C.) are described herein. These alloys comprise aluminum; scandium; at least one of nickel, iron, chromium, manganese and cobalt; and at least one of zirconium, gadolinium, hafnium, yttrium, niobium and vanadiuim. These alloys comprise an aluminum solid solution matrix and a mixture of various dispersoids. These alloys are substantially free of magnesium.

Disclosed is a novel polymeric composite including a nanoparticle filler and method for the production thereof. More particularly, the present invention provides a novel halloysite nanoparticle filler which has the generally cylindrical or tubular (e.g. rolled scroll-like shape), in which the mean outer diameter of the filler particle is typically less than about 500 nm. The filler is effectively employed in a polymer composite in which the advantages of the tubular nanoparticle filler are provided (e.g., reinforcement, flame retardant, chemical agent elution, etc.) with improved or equivalent mechanical performance of the composite (e.g., strength and ductility).

A low Ni and high N austenitic-ferritic stainless steel is disclosed. It includes an austenitic-ferritic stainless steel having high formability and punch stretchability, crevice corrosion resistance, corrosion resistance at welded part, or excellent intergranular corrosion resistance, from a stainless steel structured by mainly austenite phase and ferrite phase, and consisting essentially of 0.2% or less C, 4% or less Si, 12% or less Mn, 0.1% or less P, 0.03% or less S, 15 to 35% Cr, 3% or less Ni, and 0.05 to 0.6% N, by mass, by adjusting the percentage of the austenite phase in a range from 10 to 85%, by volume. Furthermore, it includes an austenitic-ferritic stainless steel having higher formability by adjusting the amount of (C+N) in the austenite phase to a range from 0.16 to 2% by mass.

A metal-made high-precision gear and a gear mechanism are disclosed. The precision gear is made of a novel material which does not exist in conventional materials for precision gears, including resins and tool steels, has high hardness, strength and excellent surface smoothness, and is superior in workability. In the precision gear which is formed of an amorphous metal alloy having a ternary, quaternary or higher composition containing iron group elements, such as Fe, Co, Ni, and Cu, Ti, Zr, Hf, as the principal elements, the precision gear whose module is 0.2 or less is made of the amorphous metal alloy having a disordered structure which does not have a fixed regularity and whose XRD pattern is a halo pattern, namely exhibits a broad peak.

The invention discloses a vertical mixed connection structure and method of prefabricated internal wallboards for assembling a shear wall structure. On the structure, edge components of upper-layer and lower-layer prefabricated internal wallboard structures are overlapped through vertical steel bars and U-shaped ribs, and horizontal reinforcing ribs and local cast-in-place concrete are arranged in a closed ring so as to realize the edge components equivalent to the cast-in-place concrete, the vertically distributed steel bars at the middle part of the components are connected in a manner of indirect overlapping by use of mortar anchor steel bars of a retention metal mortar anchor pipe so as to form an entire shear wall. By utilizing the local cast-in-place concrete moist joint at the edgecomponent part formed by the mixed connection and the dry joint of bedding and grouting at the part of the vertically distributed steel bars, the shear strength and rigidity of the horizontal jointing part of the prefabricated internal wallboards are improved; casting holes reserved at the bottom of the edge components can be used for solving the problem of casting the local cast-in-place concrete; and the vertically distributed steel bars are connected in a manner of indirect overlapping by use of the mortar anchor, which facilitates the installation and temporary fixation of the wallboards on a concrete floor. The mixed connection structure of the prefabricated internal wallboards, provided by the invention, ensures the overall performance of the shear wall; and construction is convenient.

The invention relates to a methanesulfonic acid-based matte pure tin electroplating solution and an additive thereof. Each liter of an aqueous solution agent of the additive comprises the following components based on concentration: 1.5g/L-3g/L of grain refiner, 100g/L-200g/L of non-ionic surfactant, 10g/L-30g/L of antioxidant and 100g/L-150g/L of organic solvent, wherein the grain refiner is particularly heterocyclic compounds, amine compounds or a mixture of the two. The electroplating solution prepared by the additive in the invention has the advantages of good scatter performance, high flexibility and extensibility of the pure tin-based electroplating layer, and good weldability, and prevents the tin whisker from growing for a long time; and meanwhile, the electroplating solution contains no non-biodegradable substances or surfactant harmful to the environment and the like, thus facilitating the treatment of sewage and meeting the requirements for environmental protection. The invention is worthy of popularizing and applying.

The invention discloses an electroplating solution for electroplating through holes and blind holes of circuit boards. The electroplating solution comprises the following components: 160-180g/L of copper sulfate pentahydrate, 20-50g/L of sulfuric acid, 0.05-0.07g/L of chloride ions, 0.5-1.5g/L of accelerant, 7-30g/L of inhibitor, 10-30g/L of leveling agent and the balance of water. The electroplating solution provided by the present invention is applicable to electroplate through holes and blinds holes of circuit boards, and in particular capable of realizing simultaneously hole-filling electroplating of a through hole and a blind hole in one groove of a circuit board; as a result, the electroplating steps are reduced and the production efficiency is improved.

A high-strength hot-dip galvanized steel sheet is provided which has a TS of 590 MPa or higher and is excellent in ductility and stretch flangeability. Also provided is a process for producing the steel sheet. The steel sheet has a composition comprising, in terms of mass%, 0.05-0.3% carbon, 0.01-2.5% silicon, 0.5-3.5% manganese, 0.003-0.100% phosphorus, up to 0.02% sulfur, and 0.010-1.5% aluminum, provided that the sum of the silicon and the aluminum is 0.5-2.5%, with the remainder being iron and incidental impurities. The structure thereof comprises, in terms of areal proportion, at least 20% ferrite phase, up to 10% (including 0%) martensite phase, and 10-60% tempered martensite and has, in terms of volumetric proportion, 3-10% retained austenite phase, the retained austenite having anaverage crystal-grain diameter of 2.0 [mu]m or smaller. The retained austenite preferably has an average concentration of carbon in a solid solution state of 1% or higher.

An implantable medical device is provided that degrades upon contact with body fluids so as to limit its residence time within the body. The device is formed of an iron carbon alloy that is subjected to DET heat treatment to impart high strength and high ductility in combination with an accelerated corrosion rate.

Through the disclosed method, it is possible to obtain a highly ductile and high tensile strength high-strength steel sheet having a tensile strength of at least 1470 MPa and a tensile strength total elongation of at least 29000 MPa.% by means of: a steel composition containing at least 0.30% and no more than 0.73% C, no more than 3.0% Si, no more than 3.0% Al, at least 0.7% Si+Al, at least 0.2% and no more than 8.0% Cr, no more than 10.0% Mn, at least 1.0% Cr+Mn, no more than 0.1% P, no more than 0.07% S, and no more than 0.010% N, the remainder being Fe and unavoidable impurities; and a steel structure of which the area ratio of martensite to the total steel sheet structure is 15-90% inclusive, the amount of residual austenite is 10-50% inclusive, at least 50% of said martensite is tempered martensite, the area ratio of said tempered martensite to the total steel sheet structure is at least 10%, and the area ratio of polygonal ferrite to the total steel sheet structure is 10% or less (including 0%).

The invention discloses a packaging structure and a packaging method for a fingerprint recognition chip. The packaging structure comprises a substrate, a sensing chip, a plurality of wires and a plastic package layer. The substrate is provided with a first surface, and the first surface of the substrate is provided with a first welding pad layer. The sensing chip is located on the first surface of the substrate and provided with a first surface and a second surface, the second surface of the sensing chip is located on the first surface of the substrate, the first surface of the sensing chip is provided with a sensing area and a peripheral area, and the surface of the portion, in the peripheral area, of the sensing chip is provided with a second welding pad layer. The two ends of the wires are electrically connected with the first welding pad layer and the second welding pad layer respectively, the wires have top points with the maximum distance to the surface of the substrate, and a first distance is reserved between the top points and the first surface of the sensing chip. The plastic package layer is located on the surface of the substrate and the surface of the sensing chip and surrounds the wires and the sensing chip, and a second distance is reserved between the surface of the plastic package layer and the first surface of the sensing chip and is larger than the first distance. According to the packaging structure, the requirement for the sensitivity of the sensing chip is lowered, and application is wider.

A blend of a first polycarbonate polymer comprising at least about 85% dimethyl bisphenol cyclohexane (DMBPC) units with a second polycarbonate polymer is disclosed. The blend has a combination of high scratch resistance and good ductility.

There is provided a high-strength hot-dip galvanized steel sheet and the like excellent in mechanical cutting property, which are capable of obtaining high ductility while ensuring high strength with maximum tensile strength of 900 MPa or more. The high-strength hot-dip galvanized steel sheet has a sheet thickness of 0.6 to 5.0 mm and has a plating layer on a surface of a steel sheet with component compositions being set in appropriate ranges, in which the steel sheet structure contains a 40 to 90% ferrite phase and a 3% or more retained austenite phase by volume fraction. In the retained austenite phase, a solid solution carbon amount is 0.70 to 1.00%, an average grain diameter is 2.0 μm or less, an average distance between grains is 0.1 to 5.0 μm, a thickness of a decarburized layer in a steel sheet surface layer portion is 0.01 to 10.0 μm, an average grain diameter of oxides contained in the steel, sheet surface layer portion is 30 to 120 nm and an average density thereof is 1.0×10¹² oxides/m² or more, and moreover, a work hardening coefficient (n value) during a 3 to 7% plastic deformation is 0.080 or more on average.

The invention discloses a high-strength cold-rolled hot-galvanized dual-phase steel plate, characterized in that components, in mass percentage, are: 0.03% to 0.15% of C, less than or equal to 0.15% of Si, 1.00% to 1.75% of Mn, less than or equal to 0.015% of P, less than or equal to 0.012% of S, 0.02% to 0.15% of Al, 0.35% to 0.75% of Cr, 0.02% to 0.15% of Cu, 0.010% to 0.035% of Ti, less than or equal to 0.005% of N, in addition meeting the requirement that the total percentage of Mn, 1.29Cr and 0.46Cu is not less than 1.5% and not more than 2.5%, and the balance being Fe and inevitable impurities. The manufacture method comprises converter smelting, secondary refining, continuous casting, hot continuous rolling, cold acid continuous rolling, annealing galvanizing and hot dipping, wherein a galvanized substrate with a reasonable organization and composition and an excellent plate shape is obtained through controlled rolling and controlled cooling while rolling; and through employing a micro-slowly cooling way for heating from an end segment to an isothermal segment and a secondary fast cooling way for a fast cooling segment during continuous annealing galvanizing, the cold-rolled hot-galvanized dual-phase steel plate is obtained, wherein the steel plate is advantageous by having a tensile strength between 490 to 700 MPa, well-matched strength and ductility, an excellent coating performance, and a thickness between 0.5 to 2.5 mm, and can be used as an automobile cover component, an inner plate, a structural component, etc.

The invention relates to the field of highly dispersive all-bright acidic copper plating of printed circuit boards, in particular to a highly dispersive acidic copper plating additive and its preparation method and application. A highly dispersed acidic copper plating additive: at least one divalent sulfide main brightener, at least one polyethylene glycol or polypropylene glycol or both block copolymer polymer inhibitors, at least one alkyl quaternary ammonium salt Type cationic surfactant, 5‑50ml/L sulfuric acid, 0.1‑4ml/L formaldehyde. Its preparation method is to slowly add a specified amount of concentrated sulfuric acid into water, stir evenly and cool to room temperature, then sequentially add the inhibitor, surfactant, main brightener and formaldehyde into the sulfuric acid aqueous solution, stir until completely dissolved Concentrate to the final volume to obtain the highly dispersed acidic copper plating additive of the present invention. The high-dispersion acidic copper plating additive of the invention is especially suitable for electroplating through-holes with high thickness-to-diameter ratio of printed circuit boards, and can obviously improve the dispersion ability of the plating solution.

The invention discloses a curve screen based on nanometer touch-control membrane technique and a manufacturing method thereof. The curve screen comprises a curve substrate, wherein the curve substrate is an arc-shaped imaging device; the radian of the curve substrate is 0-180 degrees; the curve substrate is adhered to a nanometer touch-control membrane having flexibility; a sensing signal acquisition control integrated circuit is arranged on the nanometer touch-control membrane and is connected to a computer control unit through an interface; and the computer control unit is connected to the curve substrate in a wired or wireless communication manner. In the invention, the touch control technique is realized on the curved surface. The curve screen provided by the invention is suitable fordisplay devices in different sizes. The unit cost is low, the system integration is simple, and the operation is easy, thereby ensuring that the curve screen provided by the invention is a low energy-consumption and low-carbon product.

The invention discloses a hollow interlayer pipe wall compound steel pipe concrete wind power tower with ribs. The tower comprises a cast-in-place reinforced concrete foundation and a steel pipe concrete tower section set. Steel pipe concrete tower sections are connected through horizontal flange discs to form a vertical tower cylinder, meanwhile, the bottom of the tower cylinder is fixed on the cast-in-place reinforced concrete foundation, the steel pipe concrete tower sections comprise inner steel pipes, outer steel pipes and concrete layers cast in the interlayers between the inner steel pipes and the outer steel pipes, first reinforced ribs are arranged on the peripheries of the outer walls of the inner steel pipes, and second reinforced ribs are arranged on the peripheries of the inner walls of the outer steel pipes. Compared with an existing steel tower, the compound steel pipe concrete structure with a hollow interlayer and with the pipe walls provided with the ribs is used, the reinforced ribs are arranged on the pipe wall sides where the inner steel pipes and the outer steel pipes are in contact with concrete, the interface binding force of the steel pipes and the concrete is enhanced, the bearing capacity and the ductility of the tower are improved, and early local buckling damage of the thin-wall steel pipes can be avoided or delayed.

The invention provides a preparation method of an ultrafine grain rare earth magnesium alloy. The method comprises the following steps of: firstly performing solution treatment on a rare earth magnesium alloy cast ingot to obtain the rare earth magnesium alloy after the solution treatment; then performing heat deformation processing on the obtained rare earth magnesium alloy after the solution treatment to obtain a heat-deformed rare earth magnesium alloy plate, wherein the heat deformation processing temperature is 350 DEG C-450 DEG C; and finally performing accumulative roll bonding with the single-pass rolling reduction of 50% on the obtained heat-deformed rare earth magnesium alloy plate, and annealing to obtain the ultrafine grain rare earth magnesium alloy. According to the preparation method provided by the invention, a heat deformation processing-accumulative roll bonding compound process is firstly adopted to successfully prepare the ultrafine grain rare earth magnesium alloy, and the problem of deterioration of mechanical properties, which is caused by non-uniform distribution of thick and big LPSO (long period stacking ordered) phases in the alloy is effectively solved; and furthermore, the preparation method provided by the invention has the advantages of simple process flow and low equipment cost, and is favorable for further large-scale industrial production.

The invention discloses a steam-curing-free early-strength steel fiber concrete pipe segment comprising ordinary Portland cement, early-strength sulphoaluminate cement, fly ash, slag, fine aggregate, coarse aggregate, water, a polycarboxylic acid type water reducer and end hook type steel fibers. The invention also discloses a preparation method of the steam-curing-free early-strength steel fiber concrete pipe segment. The steam-curing-free early-strength steel fiber concrete pipe segment is quick in coagulation and hardening and high in early strength, can reach the strength of 15MPa required by pipe segment demolding in 6-8 hours, and can be prepared into a concrete pipe segment for an underground structure by performing water curing in a 20 DEG C saturated calcium hydroxide solution for 24 hours and then performing natural curing for 28 days. The steam-curing-free early-strength steel fiber concrete pipe segment does not need steam curing, so that the curing mode of the pipe segment can be simplified, the curing time is shortened, a lot of manpower and resources are saved, and the popularization and application values are high.

The invention discloses a method for preparing an ultra-fine crystal grain high-strength high-toughness copper alloy strip. The method comprises the following steps of: performing hot-rolling with the distortion of 40 to 70 percent after performing high-temperature annealing on a copper alloy cast ingot to obtain a plate blank; performing cold-rolling with the distortion of 30 to 60 percent; performing intermediate annealing after the cold-rolling; after soaking the plate blank in liquid nitrogen for 5 to 30 minutes, taking the plate blank out and performing the cold rolling immediately; performing cryogenic treatment and the cold-rolling repeatedly after performing the cold-rolling; after accumulated strain capacity reaches 40 to 90 percent, performing low-temperature annealing to obtain the ultra-fine crystal grain high-strength high-toughness copper alloy strip with the average size of about 0.8 mu m, wherein the tensile strength of the copper alloy strip is 650 to 880 MPa and the elongation rate is 10 to 30 percent. The method has a simple production process and low processing cost, and can implement cold-deformation and annealing after the cryogenic treatment on a copper alloy on conventional production equipment; crystal grains are thinned by generated deformation twin and annealing twin, simultaneously both the strength and the tensility of the copper alloy are improved; therefore, the method has a very good industrial application prospect.

The invention provides an insecticidal suspending agent containing dinotefuran. The suspending agent is characterized by being prepared from the following components in mass percentage: 1-30% of the dinotefuran, 0.1-35% of a second active component, 3-9% of a wet dispersant, 0.1-0.5% of a de-foaming agent, 1-6% of an anti-freezing agent, 0.1-4% of a thickening agent, 0.1-0.5% of a preservative, 0-2% of a pH (Potential of Hydrogen) adjusting agent, 0-2% of an antioxidant, 0.5-5% of a functional auxiliary agent and the balancing being water, wherein the second active component is one of bifenthrin, imidacloprid, methylamino abamectin benzoate, cyhalothrin, thiamethoxam, indoxacarb, chlorfenapyr, acetamiprid and ethiprole. According to the insecticidal suspending agent, special components are selected and the content of each component is strictly limited; and the prepared insecticidal suspending agent has the very good fast-acting property and lasting period and has the very good prevention effect on tea lesser leafhopper, aleyrodid, thrips, aphids and the like. After the functional auxiliary agent is added, the insecticidal efficacy is improved by 10-12% when being compared with a medicament which is not added with the functional auxiliary agent.

A method of gas shielded arc welding steel rails spaced from each other to define a longitudinal gap therebetween comprises the steps of providing an elongated steel barrier plate across the gap at the bottom of the spaced rails, and filling the gap above the barrier plate with a molten steel from an advancing filler metal electrode by a gas shielded electric arc welding process. The barrier plate has a central portion received in the gap and longitudinally extending recesses laterally outwardly adjacent to the central portion and which underlie the bottoms of the rails at the bottom of the gap.

The invention discloses a dendritic organic-inorganic hybrid water-borne nano polyurethane-epoxy anticorrosive coating and a preparation method thereof. Compositions of the coating mainly comprise dendritic organic-inorganic hybrid water-borne nano polyurethane-epoxy emulsion, anticorrosive pigment and filler, pigment dispersing agent, a film forming aid, a water-based additive, a cross-linking curing agent and deionized water, wherein the dendritic organic-inorganic hybrid water-borne nano polyurethane-epoxy emulsion is prepared by the following steps: prepolymerizing a polyurethane hydrophilic branch; preparing a dendritic polyurethane intermediate product by adopting hyperbranched synthesis technology; inoculating organic-inorganic hybrid into a nano material by adopting a in-situ polymerization; and simultaneously grafting epoxy resin with hydroxyl; and the prepared emulsion is compounded with the anticorrosive pigment and filler and the like to prepare the anticorrosive coating. The anticorrosive coating radically solves the VOC pollution problem of solvent-type anticorrosive coating, and simultaneously solves a series of problems such as poor roughness, weatherability, ageing resistance, alkali resistance and solvent resistance of the conventional water-borne anticorrosive coating.

The invention discloses a general material coding method capable of coding according to user-defined rule, belonging to the field of material management. The method is characterized by decomposing the composition of material codes into a plurality of sections, wherein each section is a code name for describing a certain feature of the material. The method comprises the following steps of: making a coding rule, specifically, extracting a plurality of key feature description fields of each type of material so as to make rule basis for converting the key feature description filed into corresponding code for each feature field; and coding according to the rule, specifically, extracting each key feature description attribute of a certain provided material according to the description information of the material, converting the key feature description attribute into a feature description code name of the section, finally, combining the code names of each feature description filed together so as to form a material serial number for uniquely describing the material. In comparison with the prior art, the coding method disclosed by the invention solves the problem that coding products have no generality, so that change of the coding rule is no longer limited by program codes. The general material coding method capable of coding according to user-defined rule is a general coding way more than being just restricted to material coding.

A copolymer composition comprises a polysiloxane block of Formula XIX or XXII, having 4 to 50 siloxane units, and a polyarylate-polycarbonate block consisting essentially of 50 to 99 mol % arylate polyester units and 1 to 50 mol % aromatic carbonate units, wherein 1 to 30 mole percent of the aromatic carbonate units are resorcinol carbonates, and 0 to 35 mol % of the aromatic carbonate units are bisphenol carbonates; wherein the sum of mole percentages of arylate polyester units, and aromatic carbonate units is 100 mol %; the polysiloxane blocks connect to an arylate ester unit, and/or an aromatic carbonate unit; the siloxane units of the polysiloxane block are present at 0.2 to 10 wt % based on weight of the copolymer composition; and a molded article of 3.2±0.12 millimeters thickness and consisting of the copolymer composition has a percent transmittance greater than or equal to 70%, according to ASTM D1003-00.

The invention relates to a method for widening a steel-concrete combination, which is a technological method for widening an original concrete bridge. The method widens the original concrete bridge by adopting an integrally and jointly stressed steel-concrete composite beam comprising a concrete bridge deck and a steel beam. The method comprises the following steps: firstly roughening and reinforcing bar loading treatments are carried out on the main beam of the original bridge, a steel plate-concrete composite anchoring and connecting piece is arranged to connect the main beam with the transverse connecting steel beam of the original bridge; the main beam of the original bridge is connected with the steel-concrete composite beam into a whole body through the transverse connecting steel beam; roughening and transverse connecting reinforcing bar loading are carried out on the bridge deck of the original bridge, the bridge deck of the original bridge is extended to the upper bridge deck area of a widened beam, and the widened bridge deck is concreted to form a whole body. Compared with a traditional widening method, the method has the advantages that the structural height can be reduced, the structural dead weight can be reduced, and the lower structural cost can be reduced. Meanwhile, the composite beam is convenient to be produced, the installation quality is high, the construction is economic, convenient and fast, the influence to the normal traffic of the current bridge is small, and the deficiency of the method for widening the traditional concrete beam is overcome.

The invention discloses multi-sense organ integrated electronic skin, which consists of a plurality of electronic sense organ units arranged on a flexible substrate; the main body of each electronic sense organ unit is an active field effect transistor taking a resistor as a load and adopting common-source connection, and the force measurement function of a touch sense organ, the temperature measurement function of a temperature sense organ and the distance measurement function of a distance sense organ can be realized simultaneously. The multi-sense organ integrated electronic skin disclosed by the invention is capable of imitating several basic functions of human skin, is good in elasticity and ductility, and can be fitted with the surface of a manipulator to judge and collect a series of physical properties, such as the shape, the size, the material and the hardness, and the temperature and distance information of a target object, and therefore data support and foundation guarantee is provided for a puma manipulator or a robot to complete a series of fine high-difficulty movements.

There is provided a hot press-formed product, including a thin steel sheet formed by a hot press-forming method, and having a metallic structure that contains martensite at 80% to 97% by area and retained austenite at 3% to 20% by area, the remainder structure of which is at 5% by area or lower, whereby balance between strength and elongation can be controlled in a proper range and high ductility can be achieved.

The invention relates to a manufacturing method for a high-copper-silicon magnesium powder metallurgy aluminum alloy, and belongs to the field of material forming with a traditional powder metallurgy forming-sintering process combined with aluminum alloy machining. The manufacturing method includes the steps that an aluminum alloy ingot blank is manufactured through indoor temperature pressing-sintering; then, the aluminum alloy ingot blank is subjected to hot extrusion to obtain an aluminum alloy section; the aluminum alloy section is subjected to solid-solution quenching treatment; and finally, the aluminum alloy section obtained after quenching treatment is subjected to aging treatment. The performance of the material is significantly improved through proper low-temperature sintering assisted by heat machining and heat treatment matched with the temperature of low-temperature sintering, and particularly, an unexpected effect on increase of elongation is achieved. The manufacturing process is simple, the obtained product is excellent in performance, and large-scale industrialized application is facilitated.