Introduction to 1J27 soft magnetic alloy

1J27 soft magnetic alloy is an alloy material with excellent magnetic properties, also known as iron-nickel-silicon alloy, mainly composed of iron, nickel, silicon and other elements. The alloy has the characteristics of high magnetic permeability, low hysteresis loss and low coercivity, and is an important soft magnetic material.

The main chemical composition of 1J27 soft magnetic alloy is Fe-Ni-Si, in which the content of iron is between 50% and 82%, the content of nickel is between 17% and 49%, and the content of silicon is between 0.5% and 4%. In addition, the alloy also contains a small amount of carbon, copper, chromium and other elements.

1J27 soft magnetic alloy has good magnetic permeability and low hysteresis loss, which makes it an ideal material for manufacturing high-performance inductors, transformers and sensors. In addition, 1J27 soft magnetic alloy also has excellent thermal stability and corrosion resistance, and can be used in various harsh environments.



1J27 soft magnetic alloy is an iron-nickel-silicon alloy with good soft magnetic properties. The following are its main physical and chemical properties:

Magnetic properties: 1J27 soft magnetic alloy has magnetic properties such as high magnetic permeability, low hysteresis loss and low coercivity. Under an external magnetic field, its magnetization intensity and magnetic permeability are high, and saturation magnetization can be achieved under a smaller magnetic field.

Thermal stability: 1J27 soft magnetic alloy has excellent thermal stability and can maintain good magnetic properties for a long time at high temperatures. The alloy maintains stable soft magnetic properties at temperatures below 500°C.

Corrosion resistance: 1J27 soft magnetic alloy has good corrosion resistance at room temperature and can resist corrosion by most organic acids, inorganic acids, alkalis, salts and other corrosive media.

Conductivity: 1J27 soft magnetic alloy has high electrical conductivity and is suitable for manufacturing electromagnetic devices such as inductors and sensors.

Physical properties: 1J27 soft magnetic alloy has high density, strength and hardness, and also has good machinability and weldability.

Chemical properties: 1J27 soft magnetic alloy is highly sensitive to some chemical substances (such as strong oxidants) and is prone to oxidation reactions. In addition, it will also react with some metals (such as copper), and care should be taken to avoid corresponding corrosion problems.

1J27 soft magnetic alloy is an alloy material with good magnetic properties. Heat treatment is an important part of its preparation process. The following are the heat treatment system and process performance and requirements of the alloy:

Heat treatment system:

The heat treatment system of 1J27 soft magnetic alloy is generally divided into two steps: annealing and cooling. The specific steps are as follows:

(1) Annealing: Heat the 1J27 soft magnetic alloy to about 750℃, keep it warm for 1-2 hours, and then slowly cool it to room temperature.

(2) Cooling: The cooling process must ensure uniformity, and air cooling or slow cooling can be used.

Process performance and requirements:

(1) Magnetic properties: The 1J27 soft magnetic alloy after heat treatment should have good magnetic properties, and its magnetic permeability and saturation magnetization should meet the standard requirements.

(2) Mechanical properties: The 1J27 soft magnetic alloy after heat treatment should have suitable mechanical properties, including strength, hardness and toughness, to ensure its stability in use.

(3) Dimensional stability: The 1J27 soft magnetic alloy after heat treatment should have good dimensional stability to ensure that it will not deform or deform less during processing and use.

(4) Processing performance: The 1J27 soft magnetic alloy after heat treatment should have good processing performance and can be processed by a variety of processing processes, such as cold rolling, drawing, quenching and heat treatment.

1J27 is a soft magnetic alloy mainly composed of elements such as iron, nickel and cobalt. The following is an introduction to the application fields and variety specifications of 1J27 soft magnetic alloy:

Application fields:

High-frequency transformer: 1J27 soft magnetic alloy has low hysteresis loss, high magnetic permeability and good corrosion resistance, and is widely used in high-frequency transformers.

Sensor: 1J27 soft magnetic alloy is used as a core material in sensors, which can provide high sensitivity and stable magnetic field characteristics.

High-precision electronic components: 1J27 soft magnetic alloy is also used to manufacture high-precision electronic components, such as inductors, capacitors, etc., which can provide high stability and low-temperature drift.

Variety specification status: 1J27 soft magnetic alloy usually appears in the form of wire, plate, strip, tube, etc. The common specifications are as follows: Wire: diameter 0.1mm-3mm; Plate: thickness 0.05mm-0.5mm, width ≤500mm; Strip: thickness 0.05mm-0.5mm, width ≤200mm; Tube: outer diameter 2mm-60mm, wall thickness 0.2mm-3mm. The specifications of the alloy can also be customized according to the special needs of customers.