Which magnetic conductivity is better, Permalloy or silicon steel sheet?

Permalloy and silicon steel sheet are two different materials with some differences in properties and uses.

1. Permalloy: Permalloy is an alloy material with high strength, high corrosion resistance and high temperature stability.

It is mainly composed of nickel, chromium, phosphorus, boron and other elements, and is widely used in aerospace, chemical industry and manufacturing industries.

Permalloy has excellent mechanical properties and corrosion resistance, and can work stably for a long time in high temperature and corrosive environment.

2. Silicon steel sheet: Silicon steel sheet is a widely used electrical cold-rolled steel, which is characterized by a high silicon content.

Silicon steel sheet is mainly used to make core components of electrical equipment such as motors and transformers, with low magnetic permeability, low magnetic loss and high magnetic saturation induction intensity.

By adding an appropriate amount of silicon, the eddy current loss in the magnetic field can be effectively reduced and the conversion efficiency of the transformer can be improved.

When considering the magnetic conductivity, Permalloy (usually refers to nickel-iron soft magnetic alloy containing molybdenum, such as Permalloy) and silicon steel sheets each have their own characteristics and application fields:

The magnetic permeability of this material is very high, which can reach hundreds of thousands, so it is very suitable for applications that require extremely high magnetic permeability and low hysteresis loss, such as transformers, shielding materials, read-write heads, etc.

Silicon steel sheet:

Silicon steel sheet is a kind of steel containing a certain proportion of silicon, which is usually used in electrical applications, such as core materials for motors, generators and transformers.

The magnetic permeability of silicon steel sheet is low, usually between thousands and tens of thousands, but its advantages are low cost and good mechanical strength and heat resistance.

Silicon steel is mainly used to manufacture the core of high-power equipment, and its silicon content can effectively reduce the eddy current loss and hysteresis loss of the core.

Therefore, Permalloy and silicon steel sheet are two different materials with different application fields and performance characteristics.