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Soft magnetic alloys, which have high permeability and low coercive force, are mainly used in the area of information processing and energy transformation, such as pole shoe, magnetic conductor, magnetic shielding, rotor & stator of electric engine, transformer & relay core and various magnetic components in communication, sensor, recording.
There are lots of different soft magnetic alloys had been developed to meet vary demands in different applications, and are usually classified to different groups by different means. Such as, industrial pure iron, Fe-Si alloy, Fe-Ni alloy, Fe-Al alloy, Fe-Si-Al alloy, Fe-Co alloy etc. by means of chemical compositions; high magnetic induction saturation alloy, high permeability alloy, high square ratio alloy, constant permeable alloy, temperature compensation alloy, magnetostriction alloy etc. by means of physical characteristics.
The key stones for fabricating soft magnetic alloys with favorite magnetic properties are precise control of chemical composition, appropriate manufacturing technique and annealing.
Domestic and foreign designations:
Beiye | China | America | Germany | Japan | International |
1J31 | |||||
1J38 | |||||
1J46 | Alloy1 | Ni48 | PB | E3 | |
1J50 | Alloy2 | RNi12,RNi18 | PB | E3 | |
1J51 | Alloy2 Grade A | PE | E3 | ||
1J79 | Alloy4 | NiFe15Mo | PC | E1 | |
1J85 | Alloy4 | NiFe15Mo | PC | E1 | |
1J85X | Alloy4 | NiFe15Mo | PC80 | E1 | |
1J87 | |||||
1J88 | PC272 | ||||
2J9 | FeCoVCr4/1 | FeCoVCr7/1 |
Soft magnetic alloys are a class of alloys with low coercivity and high permeability under weak magnetic field, which is an important metal functional material. Under the condition of no external magnetic field applied, the soft magnetic alloy itself does not show magnetic properties, under the action of external magnetic field, the soft magnetic alloy is gradually magnetized, showing stable magnetic conductivity characteristics, when the soft magnetic alloy is separated from the external magnetic field, the magnetic properties disappear. Because of their special magnetic properties, soft magnetic alloys have a wide range of applications in communication, electric power, new energy and other industries.
We have mastered the high-precision and high-flatness control technology of soft magnetic alloy strip/wire/foil, and solved the problems of dimensional accuracy and plate shape control of strip/wire/foil. Through systematic research, the comprehensive quality of soft magnetic alloy products has been significantly improved, the production capacity has been increased, and the industrialization of multi-species, multi-specification and multi-purpose soft magnetic alloys has been realized.
