Amorphous Ribbon

In material science, amorphous is a solid whose internal microstructure lacking of long-range order that is characteristic of a crystal.

Amorphous is also called metallic glass.

After metal becomes amorphous, a subsequent heat treatment transforms the initially amorphous microstructure into new form in which fine crystalline grains (average grain diameter of 10-40 nm) embedded in an amorphous residual phase. The new form is called nanocrystalline.

SUNBOW's iron-based amorphous alloy-SWAM is a product series which are universal solutions in many aspects to commonly use ferrite, silicon steel and iron powder materials, such as: power transformer, inductor, reactor, rotor & stator...

SUNBOW's iron-based nanocrystalline alloy-SWNA is a product series which are excellent solutions to current transformer (high-precision for electricity meter, high-voltage for substation, and zero-sequence for leakage protection), high-frequency power transformer, and common mode choke (CMC) ...

SUNBOW's amorphous-SWAM & nanocrystalline-SWNA alloys are based on Fe, Si, B and with further additions of Nb and Cu, and produced by rapid solidification technology.

Composition metals melt in furnace under around 1500℃, and turn into liquid metal which pass through a narrow nozzle, and solidify at a rate of approximately 1million degrees/s. Atoms have no enough time to reach microstructure-crystalline state and stay in amorphous state.

A subsequent heat treatment-annealing at around 500~600℃ transforms the initially amorphous microstructure into nanocrystalline state in which fine crystalline grains (average grain diameter of 10-40 nm) embedded in an amorphous residual phase.

Fig.1 Rapid solidification technology to produce thin metal ribbons with amorphous structure.

Fig.2 Crystalline

Amorphous

Nanocrystalline

• The below characteristics of the iron-based amorphous alloys lead to ultra low core loss.

Thinner thickness -1/10 of CRGO;

Higher electrical resistance - two times higher than CRGO;

Lower coercive force -1/3 of CRGO.

• The magnetic devices made with iron-based amorphous alloy could be operated at higher working induction with excellent anti-saturate ability and smaller size, due to the highest saturation induction among all amorphous alloys.

• 3 tailored products of low core loss, excellent overload tolerance, and high saturation could be provided, according to customer's different requirements.

SWAM

RIBBON MATERIAL

Composition

Fe: 80%, Si: 9%, B: Balance

Main Properties

Low coercivity-2.4 A/m Very high electrical resistivity-1.3 μΩ.m

Applications

Power Transformer, High Speed Motor, Welding Machine, Medical Equipment (X-ray, CT, Nano-Knife)…

Magnetic Properties (typical values)

Static virgin curve (typical values)

Iron Loss-B=0.1T (typical values)

Physical Property

Form (soft & bendable)

Important Note:

Specific magnetic properties could be induced by a heat treatment process.

To achieve optimum properties, a final annealing is indispensable!

Q: Are you trading company or manufacturer?

A: We are professional manufacturer specialized in the design,development and production of new-type amorphous,nanocrystalline,silicon steel sheets and other magnetic materials and components.

Q: What's your production capacity?

A: The annual production capacity of amorphous&nanocrystalline ribbon is 600 tons;

The annual production capacity of power electronic core is 35 million;

C-type iron core annual production capacity of 240 tons;

The annual production capacity of reactors is 50,000;

1. Tell us what you need,you can call 021-63306968

Or send email to :sales@sunbowgroup.com

We supply nanocrystaline Soft Magnetic Material &Amorphous Soft Magnetic Material , please advise your request information:

1. Material Type

2. Application - Current Transformer, CMC, Audio, etc.?

3. Strips Width

4. Srips Thickness-- µm?

5. Potential Quantity -- kg?

2. Get solution & quote

We will work on the best solution and provide primarily specification& quote for your review.

3. Sample production and mass production

We will start mass production after customer confirmation and validation of samples.

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