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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 2. Отображено 2.
16-06-2023 дата публикации

Seawater erosion corrosion resistant Ce-containing copper-nickel alloy and preparation method thereof

Номер: CN116262954A
Автор: CHEN XIAOHONG, ZHOU HONGLEI, LIU PING, JIANG TAO, JIE YIFEI, ZHAO HAONAN, TANG XIANGPENG, LI WEI, MA FENGCANG, FU SHAOLI
Принадлежит:

The invention discloses a seawater erosion corrosion resistant Ce-containing copper-nickel alloy and a preparation method thereof. The alloy comprises the following chemical components in percentage by weight: 9.5 to 10.5 percent of Ni, 1.5 to 1.7 percent of Fe, 0.5 to 0.7 percent of Mn, 0.03 to 0.05 percent of Ce and the balance of Cu. The preparation method of the alloy comprises the following steps: weighing all alloy element raw materials, adding the alloy raw materials into a crucible of a vacuum melting furnace, melting all the raw materials into clear liquid after vacuumizing and heating operations, and casting the clear liquid into a mold for cooling. And cutting after cooling, and then carrying out homogenizing annealing at the temperature of 1050 DEG C for 4 hours. And gradually rolling the annealed sample to 80% by using a rolling mill, and finally recrystallizing and annealing at the temperature of 800 DEG C for 30 minutes. The Ce-containing copper-nickel alloy with good seawater ...

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Номер записи: 1
04-05-2018 дата публикации

Scavenging cabinet of releasing for boats and ships

Номер: CN0207307429U
Автор: TANG XIANGPENG
Принадлежит: NANTONG WANZHOU SHIP MACHINERY CO LTD, NANTONG WANZHOU SHIP MACHINERY CO., LTD.

The utility model discloses a scavenging cabinet of releasing for boats and ships, including the cabinet body and a plurality of support, the cavity structure that the cabinet body comprises upper cover, casing and low head, the side of upper cover is provided with the scavenging import, and the upper end is provided with the gas vent with ventilative mouthful, the low head lower extreme is provided with the scavenging export, still be provided with steam inlet on the casing, the internal dismantlement of cabinet is connected with a filter, the filter sets up to upper end open -ended cavity screen mesh structure, cabinet body top can be dismantled and is connected with a gas filtering apparatus, gas filtering apparatus included the filter frame and set up the air filter element on crossingthe filter frame. The utility model discloses a scavenging cabinet of releasing realizes preventing that large granule impurity in the tail gas from getting into the scavenging export and resulting in ...

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Номер записи: 2