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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 16. Отображено 16.
08-08-2019 дата публикации

STRESS RELIEF ANNEALING-RESISTANT METHOD FOR MANUFACTURING LOW-IRON-LOSS ORIENTED SILICON STEEL

Номер: WO2019148742A1
Автор: CHU, Shuangjie, LI, Guobao, YANG, Yongjie, ZHAO, Zipeng, MA, Changsong, SHEN, Kanyi, WU, Meihong, JI, Yaming, ZHANG, Huabing, HU, Zhuochao
Принадлежит:

Disclosed is a stress relief annealing resisting method for manufacturing a low-iron-loss oriented silicon steel, the method comprising: carrying out, by means of a pulse laser, scanning grooving on a single surface or two surfaces of a silicon steel sheet after cold rolling, decarburizing annealing, high temperature annealing or after hot-drawing flattening annealing, and forming several grooves parallel with each other in a rolling direction of the silicon steel sheet, wherein a single pulse laser time width of the pulse laser is less than or equal to 100 ns, and a single pulse peak energy density is greater than or equal to 0.05 J/cm2; the energy density of a single scan of a single laser beam is 1 J/cm2-100 J/cm2; a beam spot of the pulse laser is a single beam spot or a combination of a plurality of beams spots, the shape of the beam spot is circular or elliptic, and the diameter of the beam spot in a scanning direction is 5 μm–1 mm, and the diameter thereof in a direction perpendicular ...

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Номер записи: 1
08-07-2010 дата публикации

METHOD FOR MANUFACTURING GRAIN ORIENTED SILICON STEEL WITH SINGLE COLD ROLLING

Номер: WO2010075797A1
Автор: LI, Guobao, ZHANG, Pijun, YANG, Yongjie, SHEN, Kanyi, HU, Zhuochao, WU, Peiwen, JIN, Weizhong, JIANG, Quanli
Принадлежит:

A method for manufacturing a grain oriented silicon steel with single cold rolling comprises the steps: 1) smelting, refining and continuous casting to obtain a casting blank with the following composition in masst%: C 0.035-0.065%, Si 2.9-4.0%, Mn 0.08-0.18%, S 0.005-0.012%, Als 0.015-0.035%, N 0.0050-0.0130%, Sn 0.001-0.15%, P 0.010-0.030%, Cu 0.05-0.60%, Cr≤ 0.2%, and the balance of Fe and unavoidable impurities; 2) hot rolling; 3) annealing and normalizing; 4) cold-rolling once with reduction ratio of 75-92%; 5) decarburizing annealing; 6) high temperature annealing; 7) hot-leveling annealing. Favorable inclusion is formed by controlling annealing and normalizing of hot rolled sheet and by using nitrogen absorption of the blank in the periods of decarburizing annealing and low temperature phase of high temperature annealing. Therefore the method is suitable for obtaining stable secondary recrystallization structure.

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Номер записи: 2
05-04-2012 дата публикации

NON-CHROMIC INSULATING COATING FOR NON-ORIENTED SILICON STEEL

Номер: WO2012041052A1
Автор: XU, Yunpeng, YANG, Yongjie, LI, Dengfeng, JI, Yaming, ZHAO, Zipeng, CHEN, Lingyun, CHEN, Xiao, HUANG, Jie
Принадлежит:

A non-chromic insulating coating for non-oriented silicon steel comprises, in weight parts, the following components: 100 parts of metal dihydrogen phosphate, 10-60 parts of epoxy resin, 0.001-10 parts of naphthenate or metal isooctoate as drier, 0.001-100 parts of organic solvent, 60-2000 parts of pure water. The metal dihydrogen phosphate is Al(H2PO4)3, Mg(H2PO4)2, Ca(H2PO4) 2,or Zn(H2PO4) 2. The epoxy resin is water-soluble epoxy resin or epoxy resin latex. After being applied onto the non-oriented silicon steel, the insulating coating has highly transparent external appearance, excellent insulating property, resistance to corrosion, adhesiveness, weldability, manufacturability, and eco-friendliness, and eliminates the defects of pastiness and low abrasion resistance of non-chromic coating.

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Номер записи: 3
25-07-2023 дата публикации

Coating for oriented silicon steel coating, oriented silicon steel plate and manufacturing method of oriented silicon steel plate

Номер: CN116478562A
Автор: JI YAMING, LING CHEN, LI GUOBAO, YANG YONGJIE, WU MEIHONG, ZHAO ZIPENG, MA CHANGSONG
Принадлежит:

The invention discloses a coating for an oriented silicon steel coating. The coating contains phosphate, colloidal silicon dioxide and a chromic acid compound, wherein the phosphate comprises magnesium dihydrogen phosphate and aluminum dihydrogen phosphate, and the molar ratio of the Al element to the Mg element is 0.02-0.15. The invention further discloses an oriented silicon steel plate which comprises a base plate and a surface coating, and the surface coating is formed by coating the coating on the base plate. Correspondingly, the invention also discloses a manufacturing method of the oriented silicon steel plate, which comprises the following steps of: coating the coating on the surface of the substrate, and sintering at the temperature of 800-880 DEG C. The coating can be effectively used in the oriented silicon steel plate, a coating can be formed on the surface of the oriented silicon steel plate, the surface coating can endow the oriented silicon steel plate with higher tension ...

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Номер записи: 4
11-02-2010 дата публикации

A METHOD OF MANUFACTURING ORIENTED SI STEEL CONTAINING CU

Номер: WO2010015156A1
Автор: JI, Yaming, SUN, Huande, YANG, Guohua, YANG, Yongjie, XU, Yunpeng, HUANG, Changguo, LI, Guobao
Принадлежит:

A method of manufacturing oriented Si steel containing Cu with high electric-magnetic property comprises: hot rolling slab; after first cold rolling, heating it to 800℃ or higher temperature and performing intermediate decarburization annealing in a protective atmosphere with PH2O/PH2 of 0.50～0.88 for 3-8 minutes, to decrease carbon content of the steel plate to less than 30ppm; then peening and acid-pickling to remove oxide of Fe on surface and to control oxygen content to lower than 500ppm; secondary cold rolling to final thickness and coating separation agent in water-slurry form; drying to decrease water content to lower than 1.5%; high-temperature annealing in a protective atmosphere containing hydrogen with oxidation degree (PH2O/PH2) of 0.0001-0.2; finally applying a tension coating and leveling tension annealing.

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Номер записи: 5
03-10-2019 дата публикации

HEAT-RESISTANT MAGNETIC DOMAIN REFINED GRAIN-ORIENTED SILICON STEEL AND MANUFACTURING METHOD THEREFOR

Номер: WO2019184104A1
Автор: CHU, Shuangjie, ZHAO, Zipeng, YANG, Yongjie, MA, Changsong, WU, Meihong, JI, Yaming, MA, Aihua, XIE, Weiyong, LIU, Hai, GUO, Jianguo
Принадлежит:

A heat-resistant magnetic domain refined grain-oriented silicon steel, a single-sided surface or a double-sided surface of which has several parallel grooves which are formed in a scoring manner, each groove extends in the width direction of the heat-resistant magnetic domain refined grain-oriented silicon steel, and the several parallel grooves are uniformly distributed along the rolling direction of the heat-resistant magnetic domain refined grain-oriented silicon steel. Each groove which extends in the width direction of the heat-resistant magnetic domain refined grain-oriented silicon steel is formed by splicing several sub-grooves which extend in the width direction of the heat-resistant magnetic domain refined grain-oriented silicon steel. The manufacturing method for a heat-resistant magnetic domain refined grain-oriented silicon steel comprises the step of: forming grooves on a single-sided surface or a double-sided surface of a heat-resistant magnetic domain refined grain-oriented ...

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Номер записи: 6
03-05-2012 дата публикации

ANNEALING SEPARATION AGENT FOR PRODUCING GRAIN-ORIENTED SILICON STEEL WITH SMOOTH SURFACE AND GOOD MAGNETIC PROPERTY

Номер: WO2012055214A1
Автор: ZHAO, Zipeng, JI, Yaming, YANG, Yongjie, LI, Guobao, LI, Dengfeng, XU, Yunpeng
Принадлежит:

An annealing separation agent for producing grain-oriented silicon steel with smooth surface and good magnetic property comprises (in weight %): Al2O3 powder 77-98%, alkaline earth oxide powder 1-8% and alkali metal chloride and/or alkaline earth metal chloride 1-15%. The annealing separation agent in the invention can avoid forming glassy film on the surface of the steel plate during high-temperature annealing process and remove the embedded oxide near the surface of substrate by the corrosion reaction of chloride, so that the products with smooth surface and stable magnetic property is obtained.

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Номер записи: 7
06-03-2014 дата публикации

HIGH MAGNETIC INDUCTION ORIENTED SILICON STEEL AND MANUFACTURING METHOD THEREOF

Номер: WO2014032216A1
Автор: ZHANG, Huabing, LI, Guobao, LU, Xijiang, YANG, Yongjie, HU, Zhuochao, SHEN, Kanyi, GAO, Jiaqiang, WU, Meihong
Принадлежит:

A high magnetic induction oriented silicon steel and a manufacturing method thereof. The oriented silicon steel comprises chemical elements, in weight percent, 0.035-0.120% of C, 2.9-4.5% of Si, 0.05-0.20% of Mn, 0.005-0.050% of P, 0.005-0.012% of S, 0.015-0.035% of Als, 0.001-0.010% of N, 0.05-0.30% of Cr, 0.005-0.090% of Sn, less than or equal to 0.0100% of V, less than or equal to 0.0100% of Ti, at least one of trace elements Sb, Bi, Ni and Mo, and the balance Fe and other inevitable impurities. Sb+Bi+Nb+Mo is 0.0015-0.0250%, and (Sb/121.8+Bi/209.0+Nb/92.9+Mo/95.9)/(Ti/47.9+V/50.9) ranges from 0.1 to 15.

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Номер записи: 8
21-04-2023 дата публикации

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

Номер: CN115992331A
Автор: LING CHEN, HEI HONGXU, SUN YEZHONG, LI GUOBAO, YANG YONGJIE, ZHAO ZIPENG, JI YAMING, WU MEIHONG, MA CHANGSONG, ZHOU LIN
Принадлежит:

The invention discloses high-magnetic-induction oriented silicon steel, which contains Fe and inevitable impurity elements, and further contains the following chemical elements in percentage by mass: 0.02 to 0.08 percent of C, 2.0 to 4.5 percent of Si, 0.02 to 0.30 percent of Mn, less than or equal to 0.0050 percent of S, 0.01 to 0.04 percent of Als, 0.002 to 0.01 percent of N, 0.0050 to 0.0600 percent of Nb and the balance of Fe. And at least one of the following components in percentage by weight: 0.01 to 0.1 percent of P, 0.01 to 0.30 percent of Sn and 0.01 to 0.50 percent of Cu. In addition, the invention further discloses a manufacturing method of the high-magnetic-induction oriented silicon steel, and the manufacturing method comprises the following steps: (1) preparing a plate blank; (2) plate blank heating; (3) hot rolling: rough rolling, coiling and heat preservation in a hot coiling box, and finish rolling; wherein the rough rolling finishing temperature is higher than 970 DEG ...

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Номер записи: 9
30-05-2014 дата публикации

ORIENTED SILICON STEEL AND METHOD FOR MANUFACTURING SAME

Номер: WO2014078977A1
Автор: YANG, Guohua, LIU, Xiandong, LI, Guobao, YANG, Yongjie, HU, Zhuochao, HE, Hongxu, ZHANG, Jun, SU, Dejun, SUN, Huande, WU, Meihong
Принадлежит:

Disclosed is an oriented silicon steel with an excellent magnetic property and a method for manufacturing same. The present invention obtains the oriented silicon steel with an excellent magnetic property by controlling the area ratio of the small crystal grains of D < 5 mm in a silicon steel finished product to be not greater than 3%, and controlling the ratio µ17/µ15 of the magnetic conductivity under magnetic flux density of 1.7 T and 1.5 T in the oriented silicon steel finished product to be above 0.50. In addition, by using a slab of the oriented silicon steel with suitable components and an optimized cold rolling step, the present invention effectively decreases the heating temperature of the slab and the production costs thereof, and simultaneously better controls the size and ratio of the crystal grains in the oriented silicon steel finished product and the magnetic conductivity in a certain range of magnetic flux density, ensures a secondary recrystallization having a good Gauss ...

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Номер записи: 10
03-04-2014 дата публикации

MANUFACTURING METHOD OF COMMON GRAIN-ORIENTED SILICON STEEL WITH HIGH MAGNETIC INDUCTION

Номер: WO2014047757A1
Автор: SHEN, Kanyi, LI, Guobao, CHU, Shuangjie, SUN, Yezhong, ZHANG, Huabing, YANG, Yongjie, HU, Zhuochao, ZHAO, Bin, XU, Qi, HUANG, Jie, ZHANG, Peili
Принадлежит:

A manufacturing method of oriented silicon steel with a magnetic induction of B8 ≥ 1.88T comprises the following steps: 1) obtaining a slab after smelting and casting, the content of N being controlled at 0.002-0.014 wt% in the smelting stage; 2) hot-rolling; 3) cold rolling; 4) decarburization annealing; 5) nitriding treatment: the controlled content of infiltrated nitrogen [N]D satisfying: 328-0.14a-0.85b-2.33c ≤ [N]D ≤ 362-0.16a-0.94b-2.57c, wherein, a is the content of Als in the smelting step, ppm; b is the content of N element, ppm; c is the initial grain size, μm; 6) coating a surface with a magnesium oxide coating, and carrying out annealing; and 7) coating an insulating coating.

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Номер записи: 11
12-09-2013 дата публикации

METHOD FOR PRODUCING SILICON STEEL NORMALIZING SUBSTRATE

Номер: WO2013131211A1
Автор: HEI, Hongxu, WANG, Bo, XIE, Shishu, LIU, Xiandong, YANG, Guohua, YANG, Yongjie, MA, Aihua, LI, Xiaolin, ZOU, Liang, ZHANG, Huawei
Принадлежит:

A method for producing a silicon steel normalizing substrate comprises: steelmaking, hot rolling and normalizing steps. The normalizing step uses a normalizing furnace having a nonoxidizing heating furnace section. The nonoxidizing heating furnace section comprises more than 3 furnace zones. An energy investment ratio of the furnace zones used in the nonoxidizing heating furnace section is adjusted, so as to control an excess coefficient α of the nonoxidizing heating furnace section to be within a range of 0.8≤α<1.0.

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Номер записи: 12
04-10-2018 дата публикации

LASER-ETCHED GRAIN-ORIENTED SILICON STEEL RESISTANT TO STRESS RELIEF/ANNEALING AND MANUFACTURING METHOD THEREFOR

Номер: WO2018177007A1
Автор: ZHAO, Zipeng, LI, Guobao, YANG, Yongjie, WU, Meihong, MA, Changsong, JI, Yaming, LING, Chen, XIE, Weiyong, GUO, Jianguo
Принадлежит:

A laser-etched grain-oriented silicon steel resistant to stress relief/annealing and a manufacturing method therefor. Parallel line-shaped grooves (20) are formed on one or both sides of grain-oriented silicon steel (10) by laser etching. The line-shaped grooves (20) are perpendicular to, or at an angle to, a rolling direction of a steel plate. A maximum height of edge protrusions of the line-shaped grooves (20) does not exceed 5 μm, and a maximum height of spatter in etch-free regions between adjacent line-shaped grooves (20) does not exceed 5 μm, and the proportion of an area occupied by spatter in the vicinity of the line-shaped grooves (20) does not exceed 5%. The steel has low manufacturing costs, and the product etching effect is retained during a stress relief/annealing process, suitable for manufacturing of wound core transformers.

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Номер записи: 13
21-07-2023 дата публикации

Copper-containing low-temperature oriented silicon steel and manufacturing method thereof

Номер: CN116463545A
Автор: MA CHANGSONG, ZHANG HUABING, MU HUAICHEN, CHEN JIANBING, ZHAO BIN, ZHAO ZIPENG, WU MEIHONG, HU ZHUOCHAO, YANG YONGJIE, LI GUOBAO
Принадлежит:

The invention discloses copper-containing low-temperature oriented silicon steel which contains Fe and inevitable impurities, and further contains the following chemical elements in percentage by mass: 0.04-0.09% of C, 2.9-4.0% of Si, 0.05-0.2% of Mn, 0.005-0.01% of S, 0.015-0.035% of Als, 0.0010-0.01% of N, 0.01-0.1% of Sn and Cu, and the content of Cu meets the conditions that Si + Cu is larger than or equal to 3% and smaller than or equal to 4.4%, Cu/Si is larger than or equal to 0.05 and smaller than or equal to 0.13, and (Mn + Cu)/S is larger than or equal to 24 and smaller than or equal to 118. In addition, the invention further discloses a manufacturing method of the copper-containing low-temperature oriented silicon steel, which comprises the following steps: (1) smelting and casting; (2) hot rolling; (3) performing two-stage normalizing annealing; (4) cold rolling; (5) carrying out decarburization annealing, nitriding and coating a high-temperature isolating agent; (6) high-temperature ...

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Номер записи: 14
25-07-2023 дата публикации

Method for cleaning tube bundle of cooling equipment

Номер: CN116481373A
Автор: LI JUNFANG, WANG RUIHONG, YANG YONGJIE
Принадлежит:

The invention relates to the technical field of water treatment, in particular to a method for cleaning a tube bundle of cooling equipment. And 2, chemical cleaning. After the project is implemented, the effect is good, the benefits are remarkable, the cooling effect of the air cooler is improved, and the feed water temperature is reduced by 2-3 DEG C; the replacement amount of industrial new water and demineralized water due to the fact that the feed water temperature exceeds the standard is reduced; the medicament loss is reduced; the service life of equipment is prolonged; in the environment with low temperature in winter, the number of started fans is reduced; and the total annual cost is saved by 7050,000 yuan.

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Номер записи: 15
06-06-2023 дата публикации

Intelligent management platform for laboratory reagent consumables of medical institution

Номер: CN116230178A
Автор: SUN QINGHUI, CHEN GUANG, WANG BO, YANG YONGJIE, FU CHENYING, WU YONGTAO
Принадлежит:

The invention relates to the technical field of intelligent management, in particular to a medical institution laboratory reagent consumable intelligent management platform which comprises a consumable storage module used for determining reagent consumable qualified quality and batch quality stability functions; the database module is used for establishing a laboratory reagent consumable quality management file, inputting the file into a laboratory reagent library and putting the reagent consumables into a cabinet; the user terminal is used for the user to log in the system in a user name and password mode and to operate the database module, and the operation comprises querying, consumable data updating and new consumable data creating; the interface module is used for the user to manage and operate the database module and is accessed at a user terminal; the system solves the problems that the existing medical laboratory test detection activity, test detection consumable consumption data ...

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Номер записи: 16