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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 6. Отображено 6.
23-06-2023 дата публикации

TC4 titanium alloy plate low-temperature superplastic forming method

Номер: CN116274592A
Автор: KONG BIN, YU HAILIANG, LIU ZHENGQIAO, YU SHILUN, XIE ZONGYU, TU AIDONG, WANG XUEMENG, ZHANG XIAOJUN, JIANG MENGLING
Принадлежит:

The invention provides a TC4 titanium alloy plate low-temperature superplastic forming method. The TC4 titanium alloy plate low-temperature superplastic forming method comprises the following steps that firstly, TC4 titanium alloy is adopted; secondly, the TC4 titanium alloy is placed in a liquid nitrogen cooling device to be cooled, and a liquid nitrogen cooled TC4 titanium alloy plate is obtained; thirdly, the TC4 titanium alloy plate cooled through the liquid nitrogen is put into a rolling mill to be rolled; fourthly, the second step and the third step are repeated till the thickness of the TC4 titanium alloy plate cooled through the liquid nitrogen is 40-60% of 1-3 mm, and the rolled TC4 titanium alloy plate is obtained; fifthly, the rolled TC4 titanium alloy plate is cut into a plate with the component size; the plate with the component size is placed in a superplastic forming die; 6, the superplastic forming die is heated to 750-780 DEG C, and argon is used for protection; and seventhly ...

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Номер записи: 1
07-04-2023 дата публикации

Titanium material with high deep drawability, preparation method and application of titanium material and titanium product

Номер: CN115927988A
Автор: LI LI, ZHANG XIAOJUN, LIU ZHENGQIAO, KONG BIN, YU SHILUN, JIANG MENGLING, WANG XUEMENG, TU AIDONG
Принадлежит:

The invention relates to a high-deep-drawing-performance titanium material, a preparation method and application thereof and a titanium product, and the preparation method of the high-deep-drawing-performance titanium material comprises the following steps that after a titanium base material is subjected to annealing treatment, oxynitriding treatment is conducted at the temperature of 500-600 DEG C, and the thickness of the titanium base material is 0.3-0.7 mm. The titanium base material is subjected to annealing treatment and is pre-oxidized, so that a reaction site is provided for subsequent oxynitriding treatment; and oxynitriding treatment is further carried out at the specific temperature, a TiO2 oxide layer distributed with nitrogen elements is formed, microcrack propagation caused by internal stress concentration is effectively prevented, and the punch forming performance of the high-deep-drawing-performance titanium material is effectively improved.

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Номер записи: 2
07-04-2023 дата публикации

Titanium alloy and preparation method thereof

Номер: CN115921532A
Автор: KONG BIN, LIU ZHENGQIAO, TU AIDONG, JIANG MENGLING, WANG YANLU, YU SHILUN
Принадлежит:

The invention relates to a titanium alloy and a preparation method thereof, and the preparation method of the titanium alloy comprises the following steps: carrying out first heat preservation on a titanium alloy plate blank at 50-130 DEG C below a phase transformation point, carrying out second heat preservation at 40 DEG C below the phase transformation point and 10 DEG C above the phase transformation point in sequence, and then carrying out rolling and heat treatment in sequence; the first heat preservation time t1 is equal to (1.8-2.5) min/mm * delta; the second heat preservation time t2 is equal to (0.1 delta +/-5) min; delta is the thickness of the titanium alloy plate blank and is greater than or equal to 300mm. According to the preparation method, the plate shape problems such as head buckling easily occurring during rolling of the titanium alloy plate blank in a traditional method are effectively avoided, and the consistency of the surface and core structure types of the prepared ...

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Номер записи: 3
04-04-2023 дата публикации

Preparation method of pure nickel hot-rolled strip coil

Номер: CN115889454A
Автор: LIU ZHENGQIAO, KONG BIN, CHEN YANHUI, ZHANG XIAOJUN, JIANG MENGLING, YU SHILUN
Принадлежит:

The invention relates to a preparation method of a pure nickel hot-rolled strip coil. The preparation method of the pure nickel hot-rolled strip coil comprises the following steps: loading a pure nickel plate blank into a heating furnace, and keeping the tapping temperature at 950-1100 DEG C; dephosphorization is conducted on the heated pure nickel plate blank, the pure nickel plate blank is fed into a rough rolling unit to be subjected to multi-pass rough rolling, and a rough rolling blank is obtained; dephosphorization is conducted on the rough rolling blank, the rough rolling blank is fed into a finish rolling unit to be subjected to multi-pass finish rolling, and a finish rolling blank is obtained; the finish-rolled blank is cooled; and the cooled finish rolling blank is coiled, and the pure nickel strip coil is obtained. Only one-time heating of the heating furnace is carried out in the rolling process, and the energy consumption cost is low; and moreover, the dephosphorization treatment ...

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Номер записи: 4
28-04-2023 дата публикации

Method for improving surface microscopic morphology of titanium strip coil

Номер: CN116020896A
Автор: YU SHILUN, LIU GUOQIAN, WANG ZEQUN, ZHANG XIAOJUN, CHEN YANHUI, JIANG MENGLING, KONG BIN, LIU ZHENGQIAO
Принадлежит:

The invention provides a method for improving the surface microscopic morphology of a titanium strip coil, which comprises the following steps: S1, carrying out first rolling process cold rolling treatment on a titanium strip coil raw material to obtain a first cold-rolled titanium strip coil with the thickness of 0.3-2.0 mm; s2, the first cold-rolled titanium strip coil is subjected to first-time degreasing treatment; s3, performing intermediate annealing treatment on the first cold-rolled titanium strip coil subjected to the first degreasing treatment to obtain an annealed titanium strip coil; s4, the annealed titanium strip coil is subjected to withdrawal and straightening treatment; s5, the titanium strip coil subjected to withdrawal and straightening treatment is subjected to surface grinding and polishing treatment, and the titanium strip coil in the grinding and polishing state is obtained; s6, the grinding and polishing state titanium strip coil is subjected to second rolling process ...

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Номер записи: 5
07-07-2023 дата публикации

Method for additive manufacturing of TC4 titanium alloy foil

Номер: CN116393926A
Автор: KONG BIN, YU HAILIANG, LIU ZHENGQIAO, YU SHILUN, XIE ZONGYU, TU AIDONG, WANG XUEMENG, ZHANG XIAOJUN, JIANG MENGLING
Принадлежит:

The invention provides a method for additive manufacturing of a TC4 titanium alloy foil. The method comprises the following steps: 1, taking a part and TC4 titanium alloy foil prepared by an asynchronous rolling mill; secondly, the TC4 titanium alloy foil is subjected to surface deoiling through a surface cleaning device, and then an oxide layer on the surface of the TC4 titanium alloy foil is cleaned through a mechanical cleaning method; thirdly, the TC4 titanium alloy foil is cut into foil narrow bands; fourthly, the foil narrow band is loaded into a narrow band feeding machine, and then the foil narrow band is sent out at the speed of 1-3 m/min; 5, one end of the foil narrow band is aligned with one end of the prepared part; sixthly, a laser heater rapidly heats the narrow foil band in the width direction of the narrow foil band, and the narrow foil band is combined with the surface of the part to be prepared; and seventhly, a pressing roller is adopted, the pressing roller is used for ...

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Номер записи: 6