permanent magnet alloy
Deformable permanent magnetic material refers to the plastic, has a good ability of forging, rolling, drawing and machining of permanent magnetic material.This materials can be made into thin section or complicated shape, with different magnetic and Gao Lixue performance parts, and therefore has a unique place in the field of permanent magnetic material.Deformable permanent magnetic material is mainly used in the magnetic compass, aviation and automation instrument, hysteresis motor rotor and magnetic flip display system, and so on.
Cobalt vanadium iron permanent magnetic alloys
| | C | Mn | Si | P | S | Ni |
| ≤ |
| 2J31 | 0.12 | 0.70 | 0.70 | 0.025 | 0.020 | 0.70 |
| 2J32 | 0.12 | 0.70 | 0.70 | 0.025 | 0.020 | 0.70 |
| 2J33 | 0.12 | 0.70 | 0.70 | 0.025 | 0.020 | 0.70 |
| | Co | V | Fe |
| 2J31 | 51~53 | 10.8~11.7 | Bal |
| 2J32 | 51~53 | 11.7~12.7 | Bal |
| 2J33 | 51~53 | 12.8~13.8 | Bal |
Heat treatment system
| | Tempering temperature | Keep the temperature time | Cooling way |
| 2J31 | 580~640℃ | 20~60 min | Air cooling |
| 2J32 |
| 2J33 |
Chemical and physical properties
| | Melting temperature ℃ | Curie point TC/℃ | Density G/cm³ | Linear temperature (20~300℃)/10-6℃-1 | Resistivity μΩ·m |
| 2J31 | 1530~1600 | 860 | 8.1 | 11~13 | 0.7 |
| 2J32 |
2J33
|
Deformable permanent magnetic materials mainly include iron nickel and vanadium is a permanent magnet alloy, deformation of iron chromium cobalt permanent magnet alloy, magnetic hysteresis alloy with cold-rolled and molybdenum cobalt hysteresis alloy hot rolled bars of iron.
Application and special requirements are summarized
Small permanent magnets Such as cobalt, vanadium iron chromium cobalt alloy and iron permanent magnet alloy, with good plasticity and ductility, can be made into wire and strip, and are suitable for making the small cross section of permanent magnet components, widely used in military and civilian industry.Like sailing in the magnetic compass points to magnetic steel, magnetic steel correction: aviation, aerospace industry matrix element of the electronic computer in: weapon with of theodolite tubular needle, aviation and automobile instrument with magnetic steel: magnetic flip display, magnetic stirrer, magnetic balance, electricity meter and permanent magnet motor stator magnetic steel, etc.
Hysteresis motor rotor hysteresis motor structure is simple, can start by oneself, torque constant, no noise, so the navigation gyroscope, fax communication, and is widely used in all kinds of recording instruments.
Cobalt vanadium iron hysteresis alloy before tempering even good plasticity, after 90% cold rolling or drawing should be variable can obtain excellent hysteresis performance and the strong magnetic anisotropy of the longitudinal magnetic can better than horizontal.So if can be used in the process of manufacturing the wire for hysteresis motor rotor, its performance is better, more promising.Can also be alloy rolling into a thin 0.05 mm belt, wrapped into a cylindrical rotor, this can use alloy rolling to excellent magnetic properties.
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Permanent Magnet Precision Alloy With 0.7 Resistivity Magnetically Soft Materials Images
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