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Aluminum materials of the magnetic levitation railway

Maglev railway or train uses magnetic force to make the vehicle move forward 8mm ~ 10mm away from the track. The wheels do not contact the track when moving forward, but only contact the track when parking. Because the vehicle is suspended on the track, it is called maglev train, which can also be referred to as maglev train for short. The magnetic force generated by suspension can come from permanent magnet or electricity. According to the speed, the suspended train can be divided into medium and low speed, and its speed is 30 km / H ~ 200 km / h; High speed, its running speed is 200 km / h ~

Aluminum materials of the magnetic levitation railway

Aluminum materials of the magnetic levitation railway

400 km /h; For ultra-high speed, its running speed is greater than 400 km / h. The maglev vehicle is made of all aluminum alloy. The so-called all aluminum vehicle means that under the current technical conditions, all available aluminum materials are aluminum. At present, aluminum is the lightest material with the best cost performance. In order to reduce the mass of the vehicle, maglev vehicles are made of aluminum alloy. Like the high-speed railway car, the aluminum consumption can be calculated as 10 t / car.

High speed railway vehicles are made of aluminum, and maglev train carriages should be made of aluminum, because the lighter the carriage, the better. The lighter the gravity to be overcome, the smaller the repulsion to float and the smaller the power to fly. Aluminum is the material with the best cost performance for manufacturing carriage structure. In addition to carriage aluminum, a considerable amount of building aluminum is required for the construction of railway facilities, The interior decoration, air conditioning and ventilation system of the carriage are also mainly made of aluminum. Some vehicles float with permanent magnet. If they float with superconducting magnetic field, high-purity aluminum wire system is required to transmit current. 11.5 t aluminum materials shall be purchased for each carriage, and the aluminum materials for railway facilities construction can be estimated as 45 t / km. The superconducting temperature of 4n6 high purity aluminum is 4.2 × 10-3 K, 4.0 for 99.5% industrial pure aluminum × 10 - 3 K。

Common deformed aluminum alloys for car body structure include: 5005-o plate, 5005-h14 plate, 5005-h18 plate

5052-o plate, 5083-O plate, 5083-h112 profile, 6061-T6 profile, 6N01-T5 profile

6063-T5 profile, 7n01-t4 plate, 7n01-t5 profile, 7003-t5 profile. 6n01 and 7N01 are Japanese aluminum alloy grades, and N is the abbreviation of nip PON (Japan).

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