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What is An Amorphous core


A Amorphous core is composed of iron, silicon, boron, antimony, copper, and so on. Compared with traditional soft ferrite materials such as ferrite and iron powder core, Amorphous nanocrystalline materials have excellent properties such as high saturation magnetic induction, high magnetic permeability, low coercivity,high inductance and low loss. Amorphous nanocrystalline materials have excellent frequency characteristics, good temperature stability, and small size, high strength and toughness, wear resistance and corrosion resistance. Amorphous core have the best performance price ratio in metal soft ferrite materials. The Amorphous nanocrystalline alloy material can replace silicon steel, permalloy and ferrite as ideal materials for medium and high frequency transformers, transformers and inductor components.


Amorphous core

  • toroid core
    Amorphous core with excellent integrated magnetic properties and high saturation magnetic induction, high initial permeability , low Hc.high magnetic induction at the low resistivity.
  • C core
    The amorphous C-type alloy core has the advantages of simple structure, convenient coil assembly, convenient inductance adjustment, etc., The amorphous C-type alloy cores has high magnetic permeability and low iron loss characteristics in the frequency range of 5KHz-20KHz, is widely used as the filter inductor in the inverter circuit of the solar photovoltaic industry.
More introduction

 

Technical Parameters

1K107 Nanocrystalline strip characteristics

Saturation magnetic strength Bs(T)

1.25

saturation magnetostriction constant(λs)

2.0x10-6

Curie temperature Tc (°C)

560

Density d (g/cm3)

7.2

Crystallization temperature Tx (°C)

480

Resistivity ρ (μΩ-cm)

130

Hardness Hv (kg/mm2)

880

Coercivity Hc(A/m)

≤1

 

1K101 Amorphous strip characteristics

Saturation magnetic strength Bs(T)

1.56

saturation magnetostriction constant(λs)

2.0x10-6

Curie temperature Tc (°C)

410

Density d (g/cm3)

7.18

Crystallization temperature Tx (°C)

535

Resistivity ρ (μΩ-cm)

130

Hardness Hv (kg/mm2)

960

Coercivity Hc(A/m)

<4

 

1K107B Nanocrystalline thin strip characteristics

Item

Value

Strip thickness (um)

20±2

Filling coefficient (σ)

≥0.8

Magnetic strength Bs(T)

1.25

Coercivity Hc(A/m)

≤2.0

Iron loss P0.5T/20K(W/kg)

≤20

Iron loss P0.3T/100K(W/kg)

≤100

Magnetic permeability μ (1kHZ)

≥100000

Magnetic permeability μ (10kHZ)

≥80000

Magnetic permeability μ (100kHZ)

≥30000

Curie temperature Tc (°C)

560℃

Continuous operating temperature °C

40-120

Saturation magnetostriction constant(λs)

<2x10-6

 

Applications

Amorphous core meet the high frequency, high current, miniaturization and energy saving of today's electronic products due to their high magnetic permeability, high saturation magnetic inductance, low loss and excellent stability. It can replace silicon steel, permalloy and ferrite, and is widely used in electric power and electronic products.

1.Amorphous toroidal core

Application field:

* Power Electronics Technology:

High-power medium and high frequency transformer

Inverter power transformer

High-power switching power supply transformer

*Communication Technology:

Program-controlled switch power supply

Data exchange interface unit

Pulse transformer

UPS power supply filtering and storage power supply, power factor correction choke, standard choke

* Anti-electromagnetic interference components:

AC power supply, thyristor, EMI differential mode, common mode inductor, output filter inductor

* Switching Power Supply:

Magnetic saturation reactor

Magnetic amplifier

Spike suppressor

Choke

*Sensor:

Current and voltage transformer

Zero sequence current transformer

Leakage switch transformer

Anti-theft sensor tag

2.Amorphous C core (Amorphous cut core)

Application field:

*Amorphous electric reactor core for photovoltaic inverter

* The output filter reactor in high frequency and high power switching power supply

* Medium-high frequency switching power supply transformer

* The main transformer in some uninterruptible power supply

 

Pricing Guide

Amorphous core produced with different raw material with different performance, we can produce with different materials according to customer’s requirements.

The price also different in different countries, because the cost for customs clearance, tax, local cost and services are different.

 

Buying Guide

1. Consult:

We will recommend customer provide the size, include the out diameter, inner diameter, and height, and the application, inductance value requirement, material, quantity, also the drawing of the products if customer require customized.

2. Quotation:

We will offer you with our detail quotation according to the consulted information, Quotation commonly include EXW,FOB,CIF,CRF.

3. Process Evaluation:

All technical information will be sent to our engineer team for evaluating, if necessary make samples for testing  to get the exact product to match customer’s, that keep sure the price is reasonable, as closer as possible to match customer’s target price.

4. Placing Order:

If you have no doubt, we will send you the PI (Proforma Invoice) or contract to confirm the order information.

5. Production:

After receive the confirmed PI or contract, we will arrange production schedule, and update the process if customer required.(quality management as ISO9001:2015)

6. Inspection:

QC will arrange random inspection for every batch products, also accept full inspection as customer’s requirements.

7. Delivery:

We will arrange the delivery as the terms in contract after the confirmation by the buyer.

8. Custom Clearance:

We will supply and deliver all the necessary shipping documents to the buyer and ensure a smooth customs clearance.

9. Support and Service:

We will offer professional technical support and 24/7 free service by:

Phone, Email, Skype, WhatsApp, Online Live Chat, Remote Service.

 

Manufacturer Guide

Careful Magnetism is a 20 years experienced guaranteed soft ferrite core manufacturer. Careful have been a one of biggest base of emi ferrite core production in China, the products export to Europe, Asia, America Australia and so on, with over 20 materials to match different impedance requirements. Careful has 3 branch factories to ensure the productivity, that also make the delivery time ensured. The quality management according to the ISO9001:2015, and ROHS standard.

Careful can offer winding for the ferrite core to get the inductor filters.

Careful provide the taped for the ferrite bead to get axial lead inductor.

Also offers the all-round emi suppression solutions, 24/7 one-to-one free service and support, which is available free.

 

Material Description

Fe-based nanocrystalline alloys are composed of iron, silicon, boron, niobium and copper.Iron base amorphous alloy containing Cu and Nb will form very fine grain structure when annealed above the crystallization temperature, and the grain size is only 10-20 nanometers. The crystalline material formed by special crystallization annealing of this amorphous alloy is called nanocrystalline alloy.Nanocrystalline material with high saturation magnetic induction intensity, high permeability, low coercive force, low loss and good stability, high strength, toughness and wear resistance corrosion resistance and other excellent properties, as in the metal soft magnetic material which has the best performance/cost ratio of nanocrystalline alloy material, can replace silicon steel, permalloy and ferrite become the high-frequency transformer, transformer, inductance components ideal material.

Application field

* EMC common mode, differential mode filter inductance core;

* Switch power supply large and small power transformer core;

* Core of current transformer with different precision (zero sequence, leakage protection);

* Magnetic amplifier, peak suppressor, saturation inductance core.

Amorphous is a new kind of soft magnetic alloy material, it adopts the international advanced super quenching technology will molten metal at millions of degrees per second direct cooling, formation thickness of 25 to 28 m amorphous thin belt, get on the atomic arrangement of short-range order, long-range disorder characteristics of amorphous gold group, on the microstructure of completely different from the traditional metal and alloy material. Therefore, in the physical properties, chemical properties, mechanical properties and many other aspects of traditional metal materials with incomparable excellent characteristics. And, in terms of its preparation technology is completely different from the traditional metallurgical technology, made of amorphous thin liquid steel step belt, eliminating the traditional metallurgical technology of casting, forging, intermediate annealing, rolling process, saves a large amount of energy, and no pollutants, amorphous alloy is regarded as a new type of green environmental protection, energy saving and efficient materials.

Iron based amorphous strip, with its high permeability, high saturation magnetic sensitivity, low iron loss and excellent stability, meets the needs of electronic products to high frequency, high current, miniaturization and energy saving, can replace silicon steel, permo alloy and ferrite, widely used in power and electronic products.

 

Application field

* Reactor for inverter, transformer core;

* Wide constant magnetic inductance iron core, PFC inductance iron core;

* Intermediate frequency transformer core, distribution transformer core;

* Amorphous electromagnetic shielding foil for digital electronics;

 

Directions for use

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