SMC Material

Chongqing Great Wall Technology Co., Ltd. is one of the leading manufacturers and suppliers of smc material in China, also supports customized service. Welcome to wholesale high quality smc material for sale here from our factory.

Soft magnetic composites (SMCs) which also referred as magnetic powder core, are a soft magnetic material made by applying organic or inorganic insulation agent to ferromagnetic particles and then formed by powder metallurgy process. Soft magnetic composites (SMCs) are also categorized as metal soft magnetic material due to adopt soft magnetic metal or alloy powder as its raw material. Soft magnetic material can be classified to metal soft magnetic material and soft ferrite according to electrical resistivity. Metal soft magnetic material possesses high saturated magnetic flux density, permeability and very suitable for miniaturization. The low resistivity of metal soft magnetic material, however, causes it to still experience eddy current loss at high frequencies. Soft ferrite has a high resistivity and is appropriate for high frequency applications, however because it is a ferrimagnetic material, it exhibits a low saturation magnetic flux density and requires a larger application volume. The insulating layer makes SMC material have a comparatively high resistance. High saturation magnetic flux density is also provided by ferromagnetic powder in the interim. High frequency and volume miniaturization are thus achieved concurrently. In order to meet various application requirements, SMCs can also be produced into ring, E, and U shapes.

Soft magnetic powder is often what gives soft magnetic composites (SMCs) their moniker. A growing number of soft magnetic composites have emerged as a result of the development of metal soft magnetic materials, and these products are gradually becoming industrialized, standardized, and serialized. Iron cores, carbonyl iron cores, Sendust cores, XFlux cores, high flux cores, MPP cores, and amorphous/nanocrystalline cores are some of the frequently utilized soft magnetic composites.

1. The introduction of powder metal components made from soft magnetic composite is posing a threat to the conventional lamination (electrical) steel motor construction.

2. The manufacturing process has a significant impact on magnetic characteristics.

The production procedure for laminations includes:

• Punching
• Stacking
• Welding
• Riveting
• Pressing

Each of the aforementioned processes results in internal material deformation, weakening the material's magnetic characteristics.

You will observe a varied distribution of magnetic losses in ferromagnetic materials (such SMCs), as a result of their different structural characteristics.

For instance, SMCs have larger hysteresis losses (energy lost through heat loss), whereas SMC material have substantially lower eddy current losses. Because the tiny composite particles are so isolated, their eddy losses are lower.

3. To avoid losing too much magnetism in the direction perpendicular to the laminate, steel laminate motor manufacturing is restricted to 2D magnetic flux.

However, the design options are substantially expanded since soft magnetic powder composites produce a 3D magnetic flux channel.

You can propose innovative 3D solutions with little iron (magnetic) loss and optimal copper winding thanks to the makeup of SMC material and its net shaping ability. Through the design options provided by SMC, the performance and capabilities of even a conventional motor can be improved.

• Compact design – both size and weight of the components can be reduced
• High performance – can meet the highest efficiency requirements
• Excellent cost efficiency – the compact designs require less material and enable simple net shaping production process with minimum waste and reduced need for subsequent operations.
• High power density by 3D magnetic flux.
• Lower eddy current losses at high frequencies compared with lamination steel.
• Complex shapes can easily be made, which opens a wide scale for product design.
• Save copper, Quick response, Fast and accurate drive, High-intensity operations.

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