Co50V2 is an iron-cobalt-vanadium soft magnetic alloy with high saturation magnetic flux density. Among the existing soft magnetic materials, this alloy has the highest saturation flux density (2.4T), a high DC permeability, and a very high Curie point (980℃). ), the saturation magnetostriction coefficient is the largest (60～100×10-6), at the same time it has a lower DC coercivity and a lower AC iron loss. Due to the high saturation magnetic induction, the volume of the motor can be significantly reduced when the motor of the same power is made, and when it is used as an electromagnet, it can produce a large attracting force under the same cross-sectional area. Due to the high Curie point, it can continue to work in a higher temperature environment where general soft magnetic alloys cannot work normally, and can maintain relatively good magnetic properties. It is worth noting that the alloy has a low resistivity (0.27μΩ·m) and is not suitable for use at high frequencies, and because of its high cobalt content (50%), it is expensive, easy to oxidize, and has poor plasticity.
Co50V2 application range
Due to its large magnetostrictive coefficient, 1J22 is extremely suitable for magnetostrictive transducers, with high output energy and high working efficiency. It is suitable for light and small aviation and aerospace electrical components, such as microelectronic rotors, Electromagnet pole heads, relays, transducers, etc. Therefore, this material is widely used in the aerospace field as an armature punch of aerospace synchronization and torque motors.
Similar grades: AFK502 (France), (Russia), Permendur (UK), Supermendur (US), HiperCo50 (US)
Co50V2 process performance
1. After Co50V2 alloy is rapidly quenched at about 880℃, it can be processed into thin ribbons and filaments. The ribbons and wires can be punched, wound or processed into various shapes of components.
2. Co50V2 alloy hot rolled (forged) material, cold drawn wire material and strip material can be cut and ground. When the alloy is processed into components and subjected to the final heat treatment of slow cooling, the plasticity is very poor, and it can only be slightly ground.
Chemical composition%
| C | Mn | Si | P | S | Cu | Ni | Co | V | Fe |
| （≤） |
|
|
| ||||||
| 0.04 | 0.3 | 0.3 | 0.02 | 0.02 | 0.2 | 0.5 | 49.0-51.0 | 0.80-1.80 | Bal. |
Physical properties
| Density (g/cm3) | Resistivity
(ΜΩ•m) | Curie point
(℃) | remanence
(T) | Yield Strength (MPa) | Tensile strength
(Mpa) | Elongation (%) | Elastic Modulus Ksi | Magnetostriction coefficient |
| 8.2 | 0.4 | 980 | 1.45 | 1280 | 1340 | 1 | 3x103 | 60x10-6 |
Magnetic properties
| Product form | Magnetic induction intensity at different magnetic field strength (A/m)/T | Coercivity Hc/(A/m) | |||||
|
| B400 | B800 | B1600 | B2400 | B4000 | B8000 |
|
|
| ≥ | ≤ | |||||
| Cold rolled strip | 1.6 | 1.8 | 2 | 2.1 | 2.15 | 2.2 | 128 |
| Wire, forged (rolled) material |
... | ... | ... | 2.05 | 2.15 | 2.2 | 144 |
Physical properties/average linear expansion coefficient (10-6/℃)
| Temperature | Coefficient of expansion | ||
| 68°F | 20°C | -6/°F | 10-6/℃ |
| 392 | 200 | 5.28 | 9.5 |
| 752 | 400 | 5.61 | 10.1 |
| 1112 | 600 | 5.83 | 10.5 |
| 1472 | 800 | 6.28 | 11.3 |
Heat treatment system
| Form | Specification/mm | Delivery status |
| Bar | 8.0-30.0 | Hot rolled |
| 30.0-180.0 | Hot forging | |
| Plate | 3.5-30.0 | Hot rolled |
| 30.0-40.0 | Hot forging | |
| Strip | 0.05-1.0 | Cold rolled |
Soft magnetic alloy Series:
1J22 1J50 1J79 1J85
Shijiazhuang Chengyuan Alloy Material Co., Ltd. is a high-tech enterprise specializing in the production of various alloy materials. It has an advanced and complete production line, including material smelting, surface cleaning, rolling, slitting, and a complete test process. Meet the corresponding quality inspection of different products. The company focuses on the production and supply of various electric heating alloys, expansion alloys, soft magnetic alloys, elastic alloys, high temperature alloys and all kinds of pure metals. The product forms include wire, flat wire, strip, plate, bar, foil, Seamless pipe, wire mesh, powder, etc. can meet the application needs of different customers. The various performance indicators of the product are strictly in accordance with the national standards. If customers put forward non-standard requirements, they can also be implemented by reference. Our products are widely used in heating equipment, machinery manufacturing, electric furnace production, instrumentation, household appliances, mineral mining, aerospace, petroleum and nuclear power and other industries, and have received good market feedback. Our products have stable delivery time, excellent quality, sophisticated packaging, and high repurchase rate. They are not only widely recognized in the domestic market, but also have a good reputation in the international market.
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