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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 3. Отображено 3.
08-07-2009 дата публикации

Wire stretching clamp

Номер: CN0101477007A
Автор: LU SHENG, CHEN LIUQIAO, CHEN JING, FU LI, SHENG LU, LIUQIAO CHEN, JING CHEN, LI FU
Принадлежит:

The invention discloses a wire stretching clamp, which comprises a clamp body, a locking screw and a metal cap. The interior of the clamp body is provided with step central holes with large, medium and small diameters for mounting the locking screw and the metal cap in turn, wherein the large diameter section is also provided with a threaded hole matched with the locking screw; and the exterior of the clamp body is a column body with large and small diameters, an arc transition is arranged between a large diameter section and a small diameter section of the column body, the outer column body corresponding to the small diameter section of the step central hole is provided with a dome with a triangular section and axially provided with a groove convenient for putting the metal cap. The clamp can effectively prevent a sample from slipping and abnormally breaking, can measure stretching mechanical properties of wires of common metal materials, shape memory alloy and the like under the conditions ...

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Номер записи: 1
15-04-2009 дата публикации

Mg-Zn-Zr-Nd magnesium alloy and preparation thereof

Номер: CN0101407880A
Автор: LU SHENG, CHEN LIUQIAO, CHEN JING, SHENG LU, LIUQIAO CHEN, JING CHEN
Принадлежит:

The invention discloses an Mg-Zn-Zr-Nd magnesium alloy which belongs to the technical field of an alloy material. According to mass percentage, the Mg-Zn-Zr-Nd magnesium alloy consists of the following components as follows: 4.0 to 6.0 percent of Zn, 0.2 to 0.8 percent of Zr, 0.3 to 1.5wt percent of Nd and Mg as the rest. The magnesium alloy is directly manufactured into a casting ingot with high intensity and corrosion resistance capacity by regulating the contents of Zn and Zr, adding rare earth element of Nd and adopting a resistance furnace or a reflection furnace for carrying out smelting. The Mg-Zn-Zr-Nd magnesium alloy has higher comprehensive mechanical property and excellent corrosion resistance capacity, moreover, the Mg-Zn-Zr-Nd magnesium alloy has excellent molding property, and therefore, the Mg-Zn-Zr-Nd magnesium alloy can carry out pressure processing and can be used as high-intensity corrosion-resistance magnesium alloy.

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Номер записи: 2
02-02-2011 дата публикации

Wire stretching clamp

Номер: CN0101477007B
Автор: FU LI, CHEN LIUQIAO, LU SHENG, CHEN JING, LI FU, LIUQIAO CHEN, SHENG LU, JING CHEN
Принадлежит:

The invention discloses a wire stretching clamp, which comprises a clamp body, a locking screw and a metal cap. The interior of the clamp body is provided with step central holes with large, medium and small diameters for mounting the locking screw and the metal cap in turn, wherein the large diameter section is also provided with a threaded hole matched with the locking screw; and the exterior of the clamp body is a column body with large and small diameters, an arc transition is arranged between a large diameter section and a small diameter section of the column body, the outer column body corresponding to the small diameter section of the step central hole is provided with a dome with a triangular section and axially provided with a groove convenient for putting the metal cap. The clamp can effectively prevent a sample from slipping and abnormally breaking, can measure stretching mechanical properties of wires of common metal materials, shape memory alloy and the like under the conditions ...

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Номер записи: 3