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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.
26-03-2014 дата публикации

Thermal treatment method of medical low-modulus titanium alloy rod

Номер: CN103668023A
Автор: FAN YAJUN, WEI FENRONG, LI LEI, CHEN ZHIHONG, CAO JIMIN, YANG HUABIN, LUO BINLI
Принадлежит:

The invention relates to a thermal treatment method of a medical low-modulus titanium alloy rod. The method comprises the following steps: loading a Ti13Nb13Zr titanium alloy rolled rod blank of which the specification is in the range of phi 6mm to phi 14mm into a uniform temperature zone inside a furnace when the temperature of a thermal treatment furnace is raised to 770-820 DEG C; heating and keeping warm for 0.5-1 hour and water-cooling; putting the rod into the thermal treatment furnace at 320-370 DEG C again to keep warm for 5-8 hours, and air-cooling to room temperature; putting the rod into the thermal treatment furnace at 500-550 DEG C again to keep warm for 5-10 hours, and air-cooling to room temperature, wherein the furnace temperature of all heat preservation stages fluctuates within the range of +/-10 DEG C. By adopting the thermal treatment method disclosed by the invention, the strength problem of the Ti13Nb13Zr titanium alloy rod is solved. By adopting the thermal treatment ...

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Номер записи: 1
02-09-2015 дата публикации

Biomedical high-strength and toughness Ti-6Al-4V titanium alloy bar and preparation method thereof

Номер: CN104878245A
Автор: WEI FENRONG, FAN YAJUN, WANG HAI, CUI WENJUN, LIU XU, CHEN ZHIHONG, ZHU FENG
Принадлежит:

The invention discloses a biomedical high-strength and toughness Ti-6Al-4V titanium alloy bar which is prepared from the following elements in percentage by mass: 6.0%-6.3% of Al, 4.0%-4.3% of V, 0.16%-0.18% of O, 0.18%-0.25% of Fe and 88.97%-89.66% of Ti, wherein the sum of the content of the elements is 100%. The prepared bar has the characteristics of high hardness, high toughness and high strength, can be widely applied to a medical spinal jackscrew fixing system. The invention further discloses a preparation method of the bar. The method comprises the following steps: preparing a cast ingot, forging, drawing into a square billet, and rolling into the bar; and carrying out heat treatment and finish machining. Massive production of the titanium alloy bar which is high in strength and toughness and relatively good in mechanical property consistency can be realized; and the production efficiency of the high-toughness titanium alloy bar is effectively improved.

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Номер записи: 2
16-04-2014 дата публикации

Preparation device and method for Ti6A14V alloy flat filament

Номер: CN103722042A
Автор: LI LEI, WANG HAI, WEI FENRONG, CUI WENJUN, YAN KAN, FAN YAJUN, CHEN ZHIHONG, CAO JIMIN, LI XUEPING
Принадлежит:

A preparation device for a Ti6A14V alloy flat filament comprises a heating furnace, wherein a pay-off spool and a wire drawing machine are arranged at the two ends of the heating furnace respectively; a roller die rolling mill is arranged between the heating furnace and the wire drawing machine, and comprises a pair of vertical roller dies and a pair of horizontal roller dies; the surfaces of the vertical roller dies are smooth, notch grooves are formed in the surfaces of the horizontal roller dies, and the two notch grooves of the horizontal roller dies are combined to form an elliptic hole. According to the invention, a Ti6A14V alloy round filament passes through the roller die rolling mill under the heating state, the flat filament processing deflection is controlled through adjusting the temperature of the heating furnace, the gaps of the vertical roller dies and the gaps of the horizontal roller dies, and the thickness of the flat filament can be controlled within 0.05 mm; besides, ...

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Номер записи: 3
12-03-2014 дата публикации

Titanium and titanium alloy wire surface treatment method and device

Номер: CN103624104A
Автор: LI LEI, WEI FENRONG, CUI WENJUN, WANG HAI, YAN KAN, FAN YAJUN, CHEN ZHIHONG, CAO JIMIN, WANG YINGPING
Принадлежит:

The invention discloses a titanium and titanium alloy wire surface treatment method. The titanium and titanium alloy wire surface treatment method comprises the following steps: wires to be processed are etched and peeled in a lubricating oil environment successively, wherein the wires to be processed pass through a first oil gun which is communicated with an oil channel and has a pressurization function before being etched, then pass through a second oil gun which is communicated with the oil channel and has a pressurization function, and then is peeled. A titanium and titanium alloy wire surface treatment device comprises an oil filling groove which is internally provided with a wire channel; the wire channel is provided with an etching mold and a peeling mold. The etching and peeling method provided by the invention is used for etching and peeling the wires to be processed in the lubricating oil environment, improves the smoothness and uniformity of the surfaces of the wires, is simple ...

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Номер записи: 4
28-07-2023 дата публикации

Abrasive belt cutting blade and cutting device

Номер: CN116494147A
Автор: WANG XIAOBO, YIN YIJIAO, MA WEIJIE, YANG JUAN, QIAO JUNWEI, LIANG JIAHUA, LIU XIN, WEI FENRONG, LUO BINLI, YANG XIAOKANG
Принадлежит:

The invention discloses an abrasive belt cutting blade and a cutting device. The abrasive belt cutting blade comprises an annular blade body; the cutter body sequentially comprises a clamping part and a cutting part from inside to outside; the cutting part is in a wavy line shape in the circumferential direction of the cutter body, and the radian of every two adjacent arcs is consistent. The circumferential direction of the cutting part of the cutter body is in the wavy line shape, and the radians of the two adjacent arcs are consistent, so that the edge of an abrasive belt cut by the cutter is in the wavy line shape, the shape is consistent with the R-angle part of a workpiece, and the abrasive belt can be tightly attached to the R-angle part of the workpiece; in the grinding process, the R-angle part of the workpiece does not deform, the preset grinding effect is achieved, and the surface quality of the workpiece is improved.

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Номер записи: 5
24-09-2014 дата публикации

Preparation method of titanium alloy bar for pedicle screw

Номер: CN104056872A
Автор: LI LEI, WANG HAI, WEI FENRONG, SHAO HUI, FAN YAJUN, LUO QIANWEI, SHI JINHU, LI XUEPING, CHEN ZHIHONG, CAO JIMIN
Принадлежит:

The invention discloses a preparation method of a titanium alloy bar for a pedicle screw. The preparation method comprises the following steps: firstly, performing rounding coarse straightening treatment on original rolled bar blanks by adopting a straight drawbench, then removing surface defects by using a flaying machine, simultaneously performing sizing determining operation at a discharge hole, straightening in a vertical electrothermal straightening mode, and finally, performing centerless grinding treatment to obtain a finished bar. According to the preparation method of the titanium alloy bar for the pedicle screw, the rounding coarse straightening treatment is performed on the rolled bar blanks by adopting the straight drawbench, and a traditional two-roll or multi-roll straightening rounding mode is replaced, so as to prevent residual stress due to coarse straightening; the residual stress generated by traditional two-roll or multi-roll fine straightening is removed by utilizing ...

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Номер записи: 6