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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 8. Отображено 8.
10-06-2015 дата публикации

Pail sample sampling method

Номер: CN104697814A
Автор: ZHAO YANYU, LIU ZHENTONG, PANG WEIGUANG, ZHANG TAO, WANG JIANHUI, GAO ZHANXIAO, QIN JIAXING, PENG WENTAO
Принадлежит:

The invention relates to the technical field of molten steel sampling, in particular to a pail sample sampling method. The method includes the steps that sampling operation is conducted on molten steel through a pail sampler, and a pail sample is obtained; the pail sample stands on a package edge after being lifted out of the molten steel; cooling with a die is conducted on the standing pail sample through a cooling water groove; demolding operation is conducted on the pail sample generated after cooling with the die is conducted; the pail sample generated after demolding is conducted is cooled through the cooling water groove. According to the pail sample sampling method, the pail sample stands on the package edge after being lifted out of the molten steel, so that an external blank shell of the pail sample is effectively solidified, the pail sample can be evenly filled with the molten steel, an internal shrinkage cavity or the uneven sample surface generated due to the fact that the pail ...

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Номер записи: 1
01-08-2023 дата публикации

Oriented silicon steel with uniform grain structure and magnetic property and preparation method of oriented silicon steel

Номер: CN116516133A
Автор: WANG XIANHUI, GAO QIAN, GONG JIAN, SI LIANGYING, ZHAO SONGSHAN, ZHAO PENGFEI, PANG WEIGUANG, YU HAIBIN
Принадлежит:

The invention relates to oriented silicon steel uniform in grain structure and magnetic property and a preparation method thereof, and belongs to the technical field of steel preparation. The method comprises the steps of obtaining cold-rolled strip steel; carrying out decarburization and nitriding treatment on the cold-rolled strip steel, and then coating and drying an isolating agent; one side of the cold-rolled strip steel subjected to separant coating and drying is coated with a reinforcing agent, the reinforcing agent comprises a compound with surface segregation elements, the reinforcing agent is coated at intervals in the width direction of the cold-rolled strip steel, then coiling is conducted, and a steel coil is obtained; the steel coil is subjected to annealing treatment, the side, coated with the reinforcer, of the steel coil faces upwards, and silicon steel is obtained; the surface of the cold-rolled strip steel is coated with the reinforcer at intervals, and the reinforcer ...

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Номер записи: 2
23-06-2023 дата публикации

Method for improving magnetic uniformity of oriented silicon steel

Номер: CN116287626A
Автор: MA JIAJI, LI RUIFENG, YU WEI, HU ZHIYUAN, SI LIANGYING, LI XIANHAO, ZHAO PENGFEI, PANG WEIGUANG, YU HAIBIN, WANG SHOUJIN, TIAN JIANHUI, GAO QIAN, TENG RENHAO, WANG XU
Принадлежит:

The invention discloses a method for improving the magnetic uniformity of oriented silicon steel, and belongs to the technical field of high-magnetic-induction oriented silicon steel production, aiming at solving the technical problem of large magnetic fluctuation of oriented silicon steel. The multiple pieces of hot-rolled strip steel are sequentially connected and then heated, and the heating temperature of the head and the heating temperature of the tail of each piece of hot-rolled strip steel are controlled to be 100-300 DEG C higher than the heating temperature of the middle of the hot-rolled strip steel; and the heated hot-rolled strip steel is subjected to cold continuous rolling, the cold rolling rate of the middle of each hot-rolled strip steel is controlled to be higher than the cold rolling rate of the head and the tail, and the oriented silicon steel uniform in magnetism is obtained. By adopting the method provided by the invention, the maximum value of the longitudinal magnetic ...

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Номер записи: 3
23-06-2023 дата публикации

Oriented silicon steel and preparation method thereof

Номер: CN116287623A
Автор: GAO QIAN, WANG XIANHUI, TENG RENHAO, WANG SHOUJIN, ZHAO SONGSHAN, TIAN JIANHUI, SONG DONG-HA, PANG WEIGUANG
Принадлежит:

The invention relates to oriented silicon steel and a preparation method thereof, and belongs to the technical field of steel preparation. The method comprises the steps that one side of cold-rolled strip steel with the surface coated with a separant is coated with a conditioning agent, the conditioning agent is an aqueous solution, then coiling is conducted, and a steel coil is obtained; the steel coil is subjected to annealing treatment, the side, coated with the regulator, of the steel coil faces upwards, and silicon steel is obtained; by spraying the conditioning agent to one side of the cold-rolled steel sheet, the boron-containing compound generates boric anhydride and a liquid phase at a high temperature to promote self-sintering and shrinkage of the local separant, so that gas pockets caused by local aggregation of high-temperature decomposed gas are avoided, and bicarbonate releases certain gas at a low temperature; gas channels can be formed between the steel coils under the initial ...

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Номер записи: 4
21-07-2023 дата публикации

Ultrathin high-magnetic-induction oriented silicon steel and rolling method thereof

Номер: CN116460139A
Автор: MA JIAJI, PANG WEIGUANG, SUN MAOLIN, ZHANG YECHENG, SUN ZHIHUI, SI LIANGYING, LI XIANHAO, XU HOUJUN, YU HAIBIN, CHENG ZHIHUI, JIANG ZIWU, LI RUIFENG
Принадлежит:

The invention discloses ultrathin high-magnetic-induction oriented silicon steel and a rolling method thereof, belongs to the technical field of rolling of high-magnetic-induction oriented silicon steel, and aims at solving the problem that the ultrathin high-magnetic-induction oriented silicon steel is low in magnetic performance. The rolling method comprises the following steps that hot rolling strip steel is subjected to cold continuous rolling through a continuous rolling unit with the working roller diameter being 300-500 mm, and cold continuous rolling strip steel is obtained; and the cold continuous rolling strip steel is subjected to reversible rolling through a reversible rolling mill with the working roll diameter being 70-150 mm, and the ultrathin high-magnetic-induction oriented silicon steel with the thickness being 0.12-0.20 mm is obtained. By means of the rolling method, the magnetic induction of the oriented silicon steel ranges from 1.932 T to 1.954 T, the magnetic induction ...

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Номер записи: 5
19-11-2014 дата публикации

IF steel and smelting method, smelting furnace and smelting system thereof

Номер: CN104152636A
Автор: ZOU WEILONG, WANG JIANHUI, ZHU LIANG, CHENG TIANBING, LIU ZHENTONG, PANG WEIGUANG, ZHAO YANYU
Принадлежит:

The invention discloses an IF steel and a smelting method, a smelting furnace and a smelting system thereof, and belongs to the technical field of metallurgy. The content of N of the IF steel is not higher than 30 ppm, so that the content of the harmful element N of the IF steel type is further reduced, the content of interstitial atoms is lower, the deep drawability is better, and the strength is higher. The method comprises a RH smelting step; and the nitrogen increment is not higher than 3 ppm, so that the support of the smelting method is provided to the IF steel finally obtaining the content of N not higher than 30 ppm. A block is added to a steel liner of a dipping pipe in a vacuum chamber of a RH smelting furnace, and is positioned below a slag line and above a steel liquid level, so that the crack of the dipping pipe is blocked, a refractory material is prevented from being stripped in atmosphere to enter steel liquid to increase nitrogen, the nitrogen in the atmosphere can be stopped ...

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Номер записи: 6
28-04-2023 дата публикации

High-magnetic-induction oriented silicon steel and preparation method thereof

Номер: CN116024420A
Автор: MA JIAJI, SI LIANGYING, SUN MAOLIN, GONG JIAN, ZHAO SONGSHAN, YOU XUECHANG, WANG XIANHUI, LI RUIFENG, PANG WEIGUANG, WANG SHOUJIN, LIU HAICHAO, XIAO HUIMING, TIAN JIANHUI
Принадлежит:

The invention discloses high-magnetic-induction oriented silicon steel and a preparation method thereof, and belongs to the technical field of oriented silicon steel cold rolling, and the preparation method comprises the following steps: heating hot-rolled strip steel, and then carrying out cold continuous rolling by adopting a continuous rolling unit with the working roller diameter of 300mm-500mm to obtain cold continuous rolling strip steel; and the cold continuous rolling strip steel is sequentially subjected to decarburization and nitriding, and the high-magnetic-induction oriented silicon steel is obtained. According to the oriented silicon steel obtained through the preparation method of the oriented silicon steel, the iron loss P1.7 ranges from 0.66 W/kg to 0.98 W/kg, the iron loss B8 ranges from 1.90 T to 1.94 T, the iron loss is low, the magnetic induction is high, the magnetic performance is good, the roller changing period ranges from 3600 t to 5200 t, the roller changing period ...

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Номер записи: 7
21-05-2014 дата публикации

Method of using sampler

Номер: CN103805735A
Автор: ZOU WEILONG, ZHANG TAO, WANG JIANHUI, CHENG TIANBING, ZHU LIANG, PANG WEIGUANG, LIU ZHENTONG, XIE LEI
Принадлежит:

The invention discloses a method of using a sampler, and relates to the technical field of molten steel sampling. The method comprises the steps of inserting the sampler in molten steel from a sampling location to acquire a sample, wherein inserting depth is no less than 600mm; rapidly lifting the sampler after keeping in the molten steel for 4-6 seconds, vertically standing and slowly air-cooling for 20-40 seconds; and slowly water-cooling the sampler in water for 5-10 seconds, taking out the sample, and chilling the sample in the water for 5-15 seconds. According to the sampler using method disclosed by the invention, through modifying and curing furnace rear top slag, success rate of sampling is effectively increased, and height and regular shape of the top of the sample are guaranteed; the sample is uniformly molten in a sampler barrel through a reasonable cooling way, and thus uniformity and representativeness of sampling are guaranteed.

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Номер записи: 8