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1314results about "Single bars/rods/wires/strips conductors" patented technology

Intermediate-strength aluminum alloy wire and process for manufacturing same

The invention belongs to the field of overhead power transmission technologies, and discloses an intermediate-strength aluminum alloy wire and a process for manufacturing the same. The intermediate-strength aluminum alloy wire is used for an overhead conducting wire. The process includes adjusting components of alloy to a certain extent, and controlling an online deaeration purification system, rolling and an online solid-solution quenching system; performing wire drawing and ageing processing to ultimately obtain the single intermediate-strength aluminum alloy wire. The tensile strength of the single intermediate-strength aluminum alloy wire ranges from 260MPa to 300MPa, the elongation of the single intermediate-strength aluminum alloy wire is higher than or equal to 3.5%, and the single-wire conductivity of the single intermediate-strength aluminum alloy wire is higher than or equal to 57.5% IACS. The intermediate-strength aluminum alloy wire and the process have the advantages that the intermediate-strength aluminum alloy wire manufactured by the aid of the process is high in strength and elongation and good in conductivity, and an intermediate-strength aluminum alloy stranded wire which is formed after a plurality of intermediate-strength aluminum alloy wires are stranded with one another can be used for an overhead power transmission line and is high in tensile weight ratio, so that the running safety of the line can be improved; magnetic hysteresis loss and eddy current loss due to conventional steel-cored aluminum stranded wires can be prevented by the stranded wire which is completely formed after the intermediate-strength aluminum alloy wires are stranded with one another, and electric energy loss of the line can be greatly reduced.
Owner:FAR EAST CABLE +2

Method for manufacturing moderate intensity aluminium alloy wire with 57% electric conductivity

The invention provides a method for manufacturing a moderate intensity aluminium alloy wire with 57% electric conductivity, and relates to a method for manufacturing a moderate intensity aluminium alloy wire of which the electric conductivity reaches 57% (IACS), which comprises the following steps of: (1) selecting aluminum matrixes and aluminum moderate alloy ingots; (2) carrying out on-the-spot sample analysis and regulation; placing the selected aluminum ingots into a shaft furnace to be melted to obtain an aluminum liquid; and refining with a refining agent; (3) casting and crystallizing: enabling the aluminium alloy liquid in a tilting holding furnace to pass through a trough, and filtering with a ceramic filter plate, and adding a rear earth to ensure the rear earth content to be 0.05-0.15%; continuously casting in an aluminium alloy continuous casting machine to form the aluminium alloy ingots; and rolling the aluminium alloy ingots to obtain moderate intensity aluminium alloy rods by an aluminium alloy continuous mill; (4) solutionizing and quenching: carrying out homogenizing heat treatment on the aluminium alloy rods; and (5) drawing, ageing and twisting: drawing the aluminium alloy rods treated by the former process into the aluminium alloy wires with the required diameter on an aluminium alloy drawing machine, and twisting the aluminium alloy wires by using a frame-type wire twisting machine to manufacture the moderate intensity aluminium alloy wires with 57% electric conductivity in IACS.
Owner:SHANGHAI ZHONGTIAN ALUMINUM WIRE

High-conductive heat-resistant aluminium alloy conductor and preparation method thereof

The invention provides a high-conductive heat-resistant aluminium alloy conductor and a preparation method thereof. The aluminium alloy conductor comprises the following chemical components by weight percent: 0.1-0.3% of Zr, 0.02-0.2% of Y, 0.01-0.15% of Sc and the balance of Al and other inevitable impurity elements, wherein the total amount of the other inevitable impurity elements is not more than 0.15%. The aluminium alloy conductor is prepared by the following steps: aluminium ingot fusion, boronizing, refining, alloying, secondary refining, direct water-cooling and continuous casting, annealing, drawing, stabilizing and the like. In the preparation method, the impurity content of the aluminium ingot is strictly controlled by the boronizing and the secondary refining, the conductivity of an aluminium alloyrond bar is ensured; through the stabilization treatment of a single aluminium alloy line, the conductivity of the heat-resistant aluminium alloy conductor is further improved, and the obdurability and twisting performance of the heat-resistant aluminium alloy conductor are regulated, so that the prepared aluminium alloy conductor has the characteristics of high conductivity and heat resistance, thereby meeting the requirements of industry on the performance of the aluminium alloy conductor and especially being suitable for manufacturing high-conductive heat-resistant cables.
Owner:UNIV OF SCI & TECH BEIJING

A copper adulterated aluminum complex flat line and its making method

The invention relates to a copper-clad aluminum composite flat wire and a preparation method thereof, relating to bimetal layered composite materials. The copper-clad aluminum composite flat wire is formed by composition of sandwich layer aluminum and clad copper, and the area ratio of the copper clad is 15 percent to 40 percent. The preparation steps are as follows: copper-clad aluminum composite blanks are directly compounded and formed by adoption of horizontal continuous casting; multi-pass groove rolling and/or multi-pass drawing is performed on the copper-clad aluminum blanks as required; the rolling speed of 3 to 60 meters per minute is adopted, and the single-pass relative percent reduction is 20 percent to 40 percent; or the drawing speed of 2 to 30 meters per minute is adopted, and the single-pass section scalage is 10 percent to 25 percent; under the condition of multi-pass processing and that the overall section scalage of the copper-clad aluminum composite materials reaches 75 percent to 95 percent, low-temperature intermediate annealing is performed on the copper-clad aluminum composite materials; the annealing temperature is 200 to 450 DEG C; the annealing time is 0.5 to 2 hours; the blanks after annealing are rolled or drawn further, and the copper-clad aluminum composite flat wire with required section shape and size is prepared. The invention not only can prepare the high performance copper-clad aluminum composite flat wire but also has high production efficiency.
Owner:UNIV OF SCI & TECH BEIJING

Novel bus bar for electric connection and middle and battery module comprising the same

Disclosed herein are a bus bar that simultaneously performs the electrical connection between a plurality of unit cells and the detection of voltage of the unit cells in a battery module having the unit cells mounted therein, wherein the bus bar includes: vertical bent parts formed by bending opposite ends of a strip-shaped bar body in the same direction, respectively, the vertical bent parts being provided with coupling grooves or protrusions; and a horizontal bent part formed by bending one of the vertical bent parts such that the horizontal bent part is parallel with the bar body, and a medium- or large-sized battery module including a plurality of unit cells, wherein the electrical connection between the unit cells and the detection of voltage of the unit cells are simultaneously performed using the bus bar. It is not necessary to use additional connecting members for detecting the voltage of unit cells when the bus bar according to the present invention is used in a battery module or a battery pack. Consequently, the battery module or the battery pack can be manufactured in a compact structure. Also, the electrical connection and the mechanical coupling are easily accomplished in spite of the compact structure. Furthermore, the electrical characteristics, such as electrical resistance at connected regions after the electrical connection, and the mechanical strength against external impacts or vibrations are excellent. In addition, it is possible to prevent occurrence of short circuits, which may be caused by a user or an operator, during a manufacturing process of the battery module or the battery pack or during a maintenance process of the battery module or the battery pack.
Owner:LG ENERGY SOLUTION LTD

A high-performance cooper-coated aluminum rectangle section compound conductive bus bar and its making technology

ActiveCN101241778AMeet the requirements of multiple specificationsGreat widthSingle bars/rods/wires/strips conductorsMeasuring devicesCopperAluminum composites
The present invention provides a high-performance copper-clad aluminum cross section composite conductive bus-bar and the preparing technique thereof, and the invention relates to a rectangle-cross section bimetal composite material and the preparation thereof. The copper-clad aluminum rectangular cross section composite conductive bus-bar is compounded by the core-part aluminum and the coating layer copper. The area proportion of the coating copper layer is 15to 50 The technique comprises the following procedures: Adopting horizontal continuous casting for directly compounding and forming the copper-clad aluminum composite blank. Commonly flat-roller rolling and finish drawing-pulling the copper-clad aluminum blank according to requirement or rolling with the flat roller provided with a vertical roller, the range of the rolling speed is 3-50m / min, and the single-pass relative reduction is between 15and 40 The speed range of finish drawing-pulling is 1-20m / min and the single-pass cross section scalage is 10%. When the multiple-pass relative reduction is up to 70%, the low-temperature intermediate annealing is executed to the copper-clad aluminum composite conductive bus-bar. The annealing temperature is between 250 and 450 DEG C and the annealing time is between 0.5 and 3h. The annealed composite conductive bus-bar is executed with hole-form rolling or drawing. The invention not only can produce the high-performance copper-clad aluminum cross section composite conductive bus-bar, but also has the advantages of short process flow and high efficiency of the producing method.
Owner:UNIV OF SCI & TECH BEIJING

High-strength, high-conductivity and heat-resisting aluminum alloy bus and production method thereof

The invention discloses a high-strength, high-conductivity and heat-resisting aluminum alloy bus and a production method thereof. The high-strength, high-conductivity and heat-resisting aluminum alloy bus comprises the following components in percentage by mass: 0.4-1.1 percent of magnesium (Mg), 0.3-0.9 percent of silicon (Si), 0.85-2.1 percent of copper (Cu), 0.03-0.3 percent of zirconium (Zr), 0.05-0.38 percent of rare earth (La), less than 0.4 percent of Ferrum (Fe), less than 0.01 percent of manganese (Mn) and the balance of aluminum (Al), wherein the ratio of Cu to Mg is 1.9-2.3. The production method comprises the steps of: uniformly annealing a cast ingot obtained through smelting and casting for 10-20h at a temperature of 470-550 DEG C, furnace-cooling; controlling the temperature of the cast ingot to be 480-540 DEG C for thermally deforming, wherein the final temperature of the thermal deformation is not less than 380 DEG C, the total deformation rate of the thermal deformation reaches 80-94 percent; then carrying out cold deformation on a thermally deformed blank at the total deformation rate of 80-90 percent; annealing the deformed product, wherein the annealing temperature is 330-350 DEG C, the insulation time is 2h; carrying out solution treatment for 1-3h at a temperature of 490-525 DEG C; and carrying out artificial ageing treatment for 24-36h at a temperature of 175-200 DEG C.
Owner:BAOTOU JI TAI RARE EARTH ALUMINUM CO LTD

Electroplating preparation method for copper cladded aluminum wire or copper cladded magnesium alloy wire

The invention discloses a process for preparing copper cladding aluminum or copper cladding wire of aluminum magnesium alloy, which utilizes a continuous striking-wire copper plating pipeline of being in series connection with a plurality of lengthening electric plating aluminum-magnesium parts plating groove, sets out line uninterruptedly between adjacent plating grooves, and arranges a transiting water ditch between front groove and rear groove which can avoid wire to contact with air to generate oxide coating when changing the grooves. A problem of burning wire can be resolved by adjusting main plating current to about 300 A before having to shutdown in short time. Simultaneously, the invention employs technique of thickening dip galvanized coating and wiping off zinc cover of the zinc dipping by pickling to overcome the main difficulty of utilizing electric plating method to produce copper cladding aluminum wire or copper cladding wire of aluminum magnesium alloy. Compared with coating method, the invention has the advantages of great binding force between metals, high concentricity of copper layer and core wire, low production cost on producing high tensile strength and high stretch rate production, low reject rate, low product specific gravity and the like, and is a good method for producing copper cladding aluminum wire and copper cladding wire of aluminum magnesium alloy by the electroplating method.
Owner:仲庆
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