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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 9. Отображено 9.
22-08-2023 дата публикации

Method for preparing high-performance CuMnNi alloy through duplex process

Номер: CN116623022A
Автор: WANG CHAOYANG, HE MENG, SUN JUNPENG, YANG HONGYAN, WANG QUN, LIU XIANGDONG, TIAN DONGSONG, ZHOU BIN, WANG XIN, LIANG JIANBIN
Принадлежит:

The invention discloses a method for preparing a high-performance CuMnNi alloy by a two-link process. The method comprises the following steps: S1, preparing a CuMn12Ni3 precision resistance alloy cast ingot through vacuum induction melting, S1-1, burdening, S1-2, charging, S1-3, vacuumizing, S1-4, melting, S1-5, pouring, S1-6, discharging, S2, electroslag remelting, preparing the CuMn12Ni3 precision resistance alloy cast ingot, S2-1, selecting slag materials, S2-2, drying, S2-3, slagging, and S2-4, electroslag remelting. According to the method, the CuMn12Ni3 alloy is prepared by adopting a vacuum induction melting and electroslag remelting duplex process technology, impurities and sulfides existing in cast ingots can be well eliminated, the structure is compact, components are uniform, and the defects of shrinkage cavities, air holes, inclusions, macroscopic segregation, microscopic segregation and the like are avoided.

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Номер записи: 1
22-08-2023 дата публикации

Preparation method of high-conductivity and high-strength copper alloy moving-end conductive cylinder

Номер: CN116623021A
Автор: GOU SUO, YANG YAMING, LI XIAO, ZHAO ZHIRONG, ZHOU BIN, SUN JUNPENG, LIU XIANGDONG, CHEN HAOJUN, LIANG JIANBIN, WANG WENBIN
Принадлежит:

The invention discloses a preparation method of a high-conductivity and high-strength copper alloy moving-end conductive barrel. The preparation method comprises the following steps: preparing materials: preparing the following components in percentage by mass: 0.15-0.35% of chromium, 0.05-0.1% of rare earth La and the balance of copper; and charging and smelting, casting, forging, sawing off, extrusion forming, solution treatment, aging treatment, shot blasting treatment, machining and surface treatment are carried out. The copper-chromium alloy moving end conductive cylinder prepared by the method has the properties of high conductivity, high strength, high temperature resistance and the like, the deformation of the conductive cylinder in the use process is reduced, and the service life is prolonged. The invention further provides an extrusion die used for preparing the copper-chromium alloy moving end conductive cylinder, the material utilization rate is increased, and the production ...

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Номер записи: 2
28-04-2023 дата публикации

Method for preparing copper-manganese-nickel alloy rod material based on up-drawing continuous casting process

Номер: CN116020990A
Автор: WU BIN, WU XUHONG, LIANG JIANBIN, JIN KAIGUO, SUN JUNPENG, NING LIQUN, WANG CONGLI, JING LIN, HE MENG
Принадлежит:

The invention discloses a method for preparing a copper-manganese-nickel alloy rod material based on an up-drawing continuous casting process. The method comprises the following steps: S1, preparing materials; s2, baking the furnace and raising the temperature; s3, adding materials; s4, installing a crystallizer; s5, up-drawing casting is carried out; s6, rolling is conducted; and S7, sampling and detecting. The advanced casting process is adopted, and various process parameters in the casting process are optimally designed, so that the prepared copper-manganese-nickel alloy is good in component consistency, extremely low in impurity content, uniform in rod material structure, free of defects such as air holes, inclusions and component deviation and the like, and capable of meeting application of high-end products. And the continuous large-length casting rod can be produced, the material loss is extremely low, the material utilization rate is high, the unit energy consumption is low, and ...

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Номер записи: 3
22-08-2023 дата публикации

High-strength and high-conductivity copper alloy plate strip and preparation method thereof

Номер: CN116623071A
Автор: TIAN DONGSONG, GAO BIN, WANG CHAOYANG, HE MENG, SUN JUNPENG, WANG XIAOPING, LIU XIANGDONG, HUANG SHANGCHENG, TANG LIJIAN
Принадлежит:

The invention discloses a high-strength and high-conductivity copper alloy plate strip and a preparation method thereof, and belongs to the technical field of non-ferrous metal alloys, and the preparation method comprises the following steps: S1, burdening: preparing raw materials; s2, smelting: melting the raw materials; s3, casting: casting the melt; s4, hot rolling: carrying out hot rolling on the cast ingot; s5, solid solution is conducted, specifically, solid solution is conducted on the hot-rolled blank; s6, surface milling is conducted, specifically, oxide skin on the surface of the solid solution blank is removed; s7, primary rolling is conducted, specifically, the blank obtained after face milling is subjected to primary rolling; s8, annealing is conducted, specifically, annealing treatment is conducted on the blooming plate strip; s9, finish rolling is conducted, specifically, finish rolling is conducted on the annealed plate strip; s10, annealing is conducted, specifically, the ...

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Номер записи: 4
11-08-2023 дата публикации

Manufacturing process of chromium bronze contact finger profile for high-voltage switch

Номер: CN116574929A
Автор: WU BIN, WU XUHONG, JIN KAIGUO, WANG WEIGANG, NING LIQUN, SUN JUNPENG
Принадлежит:

The invention discloses a manufacturing process of a chromium bronze contact finger profile for a high-voltage switch, which comprises the following steps: S1, preparing an up-drawing chromium bronze rod: S1-1, weighing 0.6-1.2% by weight of Cr and the balance of Cu for batching; s1-2, the ingredients in the S1-1 are added into a graphite crucible of an up-drawing continuous casting furnace to be melted, and the temperature of the solution is kept at 1150-1350 DEG C; s1-3, the solution obtained in the step S1-2 is subjected to upward continuous casting through a vertical continuous casting machine, an upward casting chromium bronze rod is obtained, then the upward casting chromium bronze rod is coiled through a coiling machine, and a coiled chromium bronze rod is obtained; according to the method, the chromium bronze rod is prepared through the continuous up-drawing casting technology, the cast rod is directly stretched and coiled through the follow-up coiling step, the advantages of being ...

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Номер записи: 5
02-06-2023 дата публикации

Preparation method of vacuum down-drawing continuous casting high-purity oxygen-free copper wire

Номер: CN116206818A
Автор: LIU XIANGDONG, GAO BIN, SUN JUNPENG, TIAN DONGSONG, ZHOU BIN, WANG CHAOYANG, HE MENG, HUANG SHANGCHENG, WANG XIN, TANG LIJIAN
Принадлежит:

The invention discloses a preparation method of a vacuum down-drawing continuous casting high-purity oxygen-free copper wire. The preparation method comprises the following steps: S1, vacuum melting; s2, downward continuous casting; s3, sampling detection and surface treatment; s4, drawing for the first time; s5, annealing treatment; s6, secondary drawing is carried out; s7, coiling and detecting; according to the preparation method, the oxygen-free copper wire is obtained through downward continuous casting in the vacuum environment, and the high-purity and high-conductivity wire with excellent performance is obtained through the subsequent drawing procedure.

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Номер записи: 6
14-07-2023 дата публикации

Preparation method of CuMn flat belt for transverse splicing belt

Номер: CN116426777A
Автор: HE MENG, SUN JUNPENG, YANG HONGYAN, WANG CHAOYANG, WANG XIN
Принадлежит:

The invention relates to the technical field of preparation of CuMn flat ribbons, in particular to a preparation method of a CuMn flat ribbon for a transversely-spliced ribbon, and the preparation method comprises the steps of S1, burdening, S2, vacuum melting and casting, S3, forging, S4, hot rolling treatment and S5, after-treatment. The CuMn flat belt prepared through vacuum melting, casting, forging, hot rolling treatment and post-treatment is good in product quality, material internal inclusions and defects are obviously smaller than those of finished products prepared through other methods, the material performance is stable and consistent, the welding quality of the transversely-spliced belt is reliable, the requirements of the CuMn flat belt in the current market are completely met, and the production cost is reduced. The whole process is simple to operate, has the characteristic of industrial production, and is suitable for large-scale popularization.

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Номер записи: 7
08-08-2023 дата публикации

Production and processing technology of CuNi electrothermal alloy plate strip

Номер: CN116555623A
Автор: HE MENG, SUN JUNPENG, YANG HONGYAN, WANG CHAOYANG, WANG XIN
Принадлежит:

The invention discloses a production and processing technology of a CuNi electrothermal alloy plate strip. The production and processing technology comprises the following steps: proportioning all alloy elements according to component requirements of the CuNi electrothermal alloy plate strip; all the raw materials are added into a smelting furnace according to the proportion and sequence to be smelted, and flat drawing and cold rolling are carried out; the rolled plate is subjected to primary annealing, and the annealed plate is subjected to physical polishing and acid pickling; the semi-finished plate strip is subjected to slitting and finish rolling, and a finish-rolled plate strip is obtained; and carrying out secondary annealing and polishing on the finish-rolled plate strip to obtain the finish-rolled plate strip. According to the CuNi electrothermal alloy plate strip, the plate material is subjected to annealing and surface treatment, and the raw materials are added in a specific ...

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Номер записи: 8
17-08-2021 дата публикации

Preparation method of solder tip

Номер: CN113263161A
Автор: ZHOU BIN, TIAN DONGSONG, GUO CHUANGLI, LIU XIANGDONG, MENG JIANXIN, WANG JIEFEI, LIU QI, WANG QUN, SUN JUNPENG, 周斌, 田东松, 郭创立, 刘向东, 孟建鑫, 王杰飞, 刘琦, 王群, 孙君鹏
Принадлежит:

The invention discloses a preparation method of a solder tip. The preparation method mainly comprises the following steps that 10-40 parts of electrolytic copper plates, 10-40 parts of Fe, 5-10 parts of Cr and 5-10 parts are selected by mass; the selected electrolytic copper plates and Fe elements are put into a drying box, the drying temperature is set to be 15-25 DEG C, and drying is conducted for 30 min; vacuum melting is performed; a coarse material matrix is prepared, namely the coarse material matrix with a copper core made of copper and a shell made of copper-iron alloys is prepared; and coarse materials are subjected to finish machining. The solder tip prepared through the materials and the process is long in service life, low in production cost and free of environmental pollution, the service life of the solder tip can be controlled by adjusting the proportion of copper content and iron content, and the use occasion is wider.

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Номер записи: 9