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

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Применить Всего найдено 6. Отображено 6.
05-05-2023 дата публикации

Production method of 750MPa-grade cold-rolled complex-phase steel

Номер: CN116065011A
Автор: REN DONG, LIU PEIXING, HOU XIAOYING, ZHANG LEI, JIN GUANGYU, GAO XINGCHANG, CHEN GANG, HU HUADONG, WANG SHUO, KANG YEFENG
Принадлежит:

The invention relates to the technical field of cold-rolled complex-phase steel, in particular to a production method of 750MPa-grade cold-rolled complex-phase steel, which comprises the following steps of: refining smelted molten iron, hot-rolling and coiling, and pickling and rolling to obtain a complex-phase steel cold hard coil; and continuously annealing the complex-phase steel cold-hard coil to obtain continuous annealing cold-rolled complex-phase steel, or galvanizing the complex-phase steel cold-hard coil to obtain galvanized cold-rolled complex-phase steel. The 750MPa-grade cold-rolled complex-phase steel finished product prepared by the method is good in punch forming performance, has excellent reaming, flanging and bending performance, is excellent in comprehensive performance, can make up for the defects of existing 780MPa-grade cold-rolled dual-phase steel and complex-phase steel, realizes replacement, can greatly meet market requirements, and is widely applied to manufacturing ...

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Номер записи: 1
05-05-2023 дата публикации

500-800 Mpa grade one-steel multi-stage cold-rolled low-alloy high-strength steel strip and production method thereof

Номер: CN116065095A
Автор: YIN CUILAN, HOU XIAOYING, KANG HUAWEI, YI SHAOCHUAN, WANG PENG, DING MINGKAI, HAO LIANG, LIU WANCHUN, KANG YEFENG, LIANG YA, XU MING, ZHANG JIANFENG
Принадлежит:

The invention discloses 500-800 Mpa grade one-steel multi-stage cold-rolled low-alloy high-strength steel and a production method thereof. A steel belt comprises the following chemical components in percentage by mass: 0.07 to 0.09 percent of C, 0.3 to 0.4 percent of Si, 1.25 to 1.35 percent of Mn, 0.015 to 0.025 percent of P, less than or equal to 0.006 percent of S, 0.03 to 0.05 percent of Als, 0.025 to 0.035 percent of Nb, 0.055 to 0.07 percent of Ti, less than or equal to 0.004 percent of N and the balance of Fe and inevitable impurities. The production method comprises the procedures of steelmaking, continuous casting, hot continuous rolling, acid continuous rolling, continuous annealing and the like. The same chemical components and hot rolling process are adopted, and different cold rolling annealing process curves are adjusted, so that the low-alloy high-strength steel strips with different yield strength levels of 500-800 Mpa are obtained, large-scale industrial production organization ...

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Номер записи: 2
12-05-2023 дата публикации

Thin-gauge high-strength-and-elongation-product hot-rolled pickled steel strip and production method thereof

Номер: CN116103571A
Автор: KANG HUAWEI, YIN CUILAN, LI YUXIAN, HOU XIAOYING, KANG YEFENG, WANG PENG, SUN BING, DING MINGKAI, LIANG YA, WANG LE, XU JUN, GAO XINGCHANG, ZHANG LEI, ZHANG MINGJIN
Принадлежит:

The invention discloses a hot-rolled pickled steel strip with thin specification and high product of strength and elongation and a production method thereof. The steel strip comprises the following chemical components in percentage by mass: 0.080 to 0.10 percent of C, 0.20 to 0.30 percent of Si, 1.20 to 1.50 percent of Mn, 0.015 to 0.025 percent of P, less than or equal to 0.008 percent of S, 0.025 to 0.055 percent of Als, 0.03 to 0.05 percent of Nb, 0.06 to 0.08 percent of Ti and the balance of Fe and inevitable impurities. The production method comprises the procedures of steelmaking, continuous casting, hot continuous rolling, acid pickling and the like. A low-carbon, low-phosphorus, low-manganese and niobium-titanium composite design chemical component system is adopted, fine grain strengthening and precipitation strengthening effects of second-phase particles are brought into full play, and finally good mechanical properties are achieved, the yield strength is larger than or equal ...

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Номер записи: 3
30-05-2023 дата публикации

Thin GI high-strength steel strip with yield strength of 700MPa and production method thereof

Номер: CN116179960A
Автор: KANG HUAWEI, SUN WEIHUA, LI HONGCUI, YIN CUILAN, LI YUXIAN, DING MINGKAI, SUN BING, KANG YEFENG, HOU XIAOYING, WANG PENG, QIN YUXI, LIANG YA, GAO XINGCHANG, ZHANG LEI, YU FAN
Принадлежит:

The invention discloses a thin GI high-strength steel strip with yield strength of 700MPa and a production method thereof, and mainly solves the technical problem of high manufacturing cost of the existing GI high-strength steel strip with yield strength of 700MPa. The hot-dip galvanized high-strength steel strip provided by the invention comprises the following chemical components in percentage by weight: 0.16 to 0.18 percent of C, 0.15 to 0.22 percent of Si, 1.0 to 1.2 percent of Mn, 0.015 to 0.025 percent of P, less than or equal to 0.03 percent of S, 0.03 to 0.05 percent of Als, 0.015 to 0.025 percent of Nb and the balance of Fe and inevitable impurities. A low-cost chemical component system and a low hot rolling coiling temperature and hot galvanizing annealing soaking temperature process are adopted, and the high-strength mechanical property is achieved. The yield strength of the steel strip is larger than or equal to 700 MPa, the tensile strength is larger than or equal to 720 MPa ...

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Номер записи: 4
12-05-2023 дата публикации

850MPa-grade high-yield-ratio cold-rolled steel strip and production method thereof

Номер: CN116103570A
Автор: KANG HUAWEI, SUN WEIHUA, LI HONGCUI, YIN CUILAN, HOU XIAOYING, LI YUXIAN, WANG PENG, DING MINGKAI, SUN BING, KANG YEFENG, GAO XINGCHANG, ZHANG LEI, LIANG YA, QIN YUXI, XU MING
Принадлежит:

The invention discloses an 850MPa-grade cold-rolled steel strip with a high yield ratio and a production method of the 850MPa-grade cold-rolled steel strip. The 850MPa-grade cold-rolled steel strip comprises the following chemical components in percentage by mass: 0.075 to 0.110 percent of C, 0.30 to 0.40 percent of Si, 1.25 to 1.45 percent of Mn, 0.018 to 0.028 percent of P, less than or equal to 0.010 percent of S, 0.020 to 0.055 percent of Als, 0.025 to 0.040 percent of Nb, 0.050 to 0.065 percent of Ti and the balance of Fe and inevitable impurities. The production method comprises the procedures of steelmaking, continuous casting, hot continuous rolling, acid continuous rolling, continuous annealing and the like. The low-cost chemical component system design is adopted, the fine grain strengthening and precipitation strengthening effects of second-phase particles are fully exerted through the low hot rolling coiling temperature and annealing soaking temperature process, and finally ...

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Номер записи: 5
24-02-2016 дата публикации

Barreled oil device that thaws

Номер: CN0205042448U
Автор: LI KAI, ZHANG HU, ZHA KAI, WU DONGMEI, WEI HONGDENG, KANG YEFENG, DUAN LEI, JU CHUANHUA
Принадлежит:

The utility model discloses a barreled oil device that thaws, discharge control system and centralized control device including heating base, backplate, heating control system, comdenstion water, the heating base is cavity box structure, and its top sets up mesh hole no. 1, and at the trilateral backplate that sets up in heating base upper portion, backplate one corner is equipped with longitudinal arrangement's mesh hole no. 2, on the heating base was placed in to the barreled oil, plastic film covered the back and forms airtight heating region with heating base and backplate, heating control system and comdenstion water discharge control system and are connected with the centralized control device, the heating control system includes electron temperature meter and steam heating inlet pipe, the comdenstion water discharges control system and includes electromagnetism level gauge and comdenstion water discharge tube. The utility model discloses compromise convenience, steam heating homogeneity ...

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Номер записи: 6