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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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Применить Всего найдено 4. Отображено 4.
02-06-2023 дата публикации

Large-aperture carbon fiber circular tube buoyancy material structure and preparation method thereof

Номер: CN116200004A
Автор: YU GUOCAI, LI WENDONG, LI ZIHAN, ZHANG RUNBO, JIN YANG, WU LINZHI
Принадлежит:

The invention discloses a large-aperture carbon fiber circular tube buoyancy material structure and a preparation method thereof, relates to the field of composite materials, and aims to solve the technical problem that an underwater buoyancy material cannot ensure good water pressure resistance while being light. The structure is composed of a carbon fiber tube, an aluminum alloy end cap and epoxy resin. And the epoxy resin is filled in gaps among the carbon fiber tubes. According to the large-aperture carbon fiber circular tube buoyancy material structure, the problem that on an existing underwater vehicle material shell, the structure needs excellent water pressure resistance and also needs to meet the lightweight design is solved. According to the structure, the excellent water pressure resistance is guaranteed, meanwhile, light weight can be achieved, and the physical performance of the structure is improved under the condition that the strength requirement is met.

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Номер записи: 1
09-05-2023 дата публикации

Water-pressure-resistant multistage carbon fiber circular tube composite buoyancy material structure and preparation method thereof

Номер: CN116082794A
Автор: YU GUOCAI, LI WENDONG, LI ZIHAN, ZHANG RUNBO, JIN YANG, WU LINZHI
Принадлежит:

The invention discloses a water-pressure-resistant multistage carbon fiber circular tube composite buoyancy material structure and a preparation method thereof, and relates to the technical field of preparation of carbon fiber composites.According to the water-pressure-resistant multistage carbon fiber circular tube composite buoyancy material structure and the preparation method thereof, the multistage thought is adopted, the carbon fiber circular tubes with different diameters are arranged in a delta-shaped stacking mode, and epoxy resin is used as a connecting medium; according to the novel carbon fiber porous buoyancy material structure and the manufacturing method thereof, the theoretical density of the novel carbon fiber porous buoyancy material structure is low, the density is reduced from 0.34 to 0.32 compared with a tubeless structure after a multi-stage structure is used, the density is reduced by 6.6% in an embodiment of the same size, and the water absorption rate is low.

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Номер записи: 2
23-05-2023 дата публикации

Resin for ship composite material and preparation method thereof

Номер: CN116144139A
Автор: WU LINZHI, WU TONGHUA, WANG CHENGYANG, ZHOU YILIANG, LIN ZHUANG, LU LIANG, WANG XINTAO, QIAN QIANG, JIN YANG, YAO LILI, WEI GUANGTAO, YU GUOCAI
Принадлежит:

The invention discloses resin for a ship composite material and a preparation method thereof, and relates to epoxy resin and a preparation method thereof. The problems that existing epoxy resin is high in water absorption rate and poor in toughness and does not meet the requirements of marine application environments are solved. The resin for the ship composite material is prepared from epoxy resin, a curing agent, block copolymerized bismaleimide resin and filler, the preparation method comprises the following steps: 1, preparing the block copolymerized bismaleimide resin; and 2, preparing the modified epoxy resin. The invention is used for the resin of the ship composite material and the preparation thereof.

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Номер записи: 3
27-06-2023 дата публикации

Impact-resistant high-temperature-resistant composite material seawater pipeline and forming method thereof

Номер: CN116336265A
Автор: WU LINZHI, YAO LILI, WEI GUANGTAO, ZHOU YILIANG, LIN ZHUANG, LU LIANG, YU GUOCAI, WU TONGHUA, WANG XINTAO, QIAN QIANG, JIN YANG, WANG CHENGYANG
Принадлежит:

The invention relates to the technical field of composite material pipelines, and provides an impact-resistant high-temperature-resistant composite material seawater pipeline which sequentially comprises a lining layer, a structural layer, a heat insulation layer and a fireproof layer from inside to outside, the structural layer is of a density gradient structure composed of fiber reinforced resin, and the density and rigidity of the structural layer are sequentially enhanced from outside to inside. According to the impact-resistant and high-temperature-resistant composite material seawater pipeline prepared by the preparation method, the structural layer is of a density gradient structure, and the rigidity of the structural layer can be sequentially enhanced from outside to inside, so that the impact-resistant strength of the composite material pipeline is improved; compared with a carbon fiber composite material pipeline with the same mass, under the same impact load, the deflection of ...

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Номер записи: 4