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Fe-Based Amorphous Ribbon

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SKU:AM001

Fe-Based Amorphous Ribbon

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Amorphous & Nano-crystalline Ribbons
We produce iron-based amorphous ribbons for distribution transformer cores.
Amorphous ribbons for distribution transformers are superior to silicon steel in energy conservation. The no-load loss of SH15 amorphous distribution transformers is 60%-80% lower than SH11 silicon steel transformers.
We also produce iron-based amorphous, cobalt based amorphous and nanocrystalline ribbons for a
variety of electromagnetic components in electric and electronic fields.

Application Field:
•Medium frequency transformer cores in heating equipment
•Toroidal gapless cores as SMPS output inductors, differential input inductors •Toroidal gapless cores as noise preventive chokes in car audio, car navigation system
•Toroidal gap cores for PFC use in air conditioner, plasma TV set
•High frequency rectangular cut cores as output inductors and transformers in SMPS, UPS, etc.
•Toroidal gapless cores as pulse transformer for driving IGBTs, MOSFETs and GTOs
•Amorphous stators and rotors in high power density variable speed electric motors and generators
Characteristics:
•Highest saturate induction among amorphous alloys—Reduce component volume
•Low coercivity---Promote component efficiency
•Low core loss---Reduce device temperature rise
•Variable permeability---Satisfy the various application requirements depending on different core heat treatment
•Excellent stability---With highest serving temperature of 130°C

Characteristics:

Physical Properties

Saturate induction

1.56T

Hardness Hv

960kg/mm2

Curie temperature

410°C

Density

7.18g/cm3

Crystallization temperature

535°C

Resistivity

130μΩ-cm

Saturate magnetostriction

27x10-6



Magnetic properties

Product type

Transverse field annealed

No field annealed

Longitudinal field annealed

Maximum permeability

>2x104

>20x104

>25x104

Saturate induction

1.5 T

1.5 T

1.5 T

Remanance

<0.5 T

1.0 T

1.2 T

Coercivity

<4A/m

<2.4 A/m

<4A/m

Core loss (50Hz, 1.4T)

<0.2W/kg

<0.13W/kg

<0.3W/kg

Core loss (400Hz, 1.2T)

<1.8W/kg

<1.25W/kg

<2W/kg

Core loss (8kHz, 1.0T)

<80W/kg

<60W/kg

<100W/kg

(-55°C—125 °C )

<15%

<15%

<15%

DP/P (120°C´200Hours)

<15%

<15%

<15%

Comparison of Fe-based amorphous ribbons and silicon steel

Material

Fe-based amorphous

Silicon steel

Saturate induction (T)

1.56

2.03

Coercivity (A/m)

<4

<30

Maximum permeability

>25x104

4x104

Core loss (W/kg)

50Hz, 1.3T,P<0.2

50Hz, 1.7T,P=1.2

Exciting power (VA/kg)

50Hz, 1.3T,P<0.5

50Hz, 1.7T,P<0.83

Stacking factor

0.84

0.95

Magnetostriction (´10-6)

27

Resistivity (Wm-cm)

130

45

Density (g/cm3)

7.18

7.65

Crystallization temperature (℃)

535

Curie temperature (℃)

415

746

Strength (Mpa)

1500

343

Hardness (HV)

900

181

Thickness (μm)

30

300

Specifications

Part No.

Width, mm

Thickness, mm

Processing status

RF1-0050

5±0.05

29±3

Slit ribbon

RF1-0065

6.5±0.05

29±3

Slit ribbon

RF1-0080

8±0.05

29±3

Slit ribbon

RF1-0100

10±0.05

29±3

Slit ribbon

RF1-0150

15±0.05

29±3

Slit ribbon

RF1-0200

20±0.1

29±3

Slit ribbon

RF1-0250

25±0.1

29±3

Slit ribbon

RF1-0300

30±0.1

29±3

Slit ribbon

RF1-0400

40±0.1

29±3

Slit ribbon

RF1-0500

50±0.1

29±3

Slit ribbon

RF1-0640

64±1

29±3

Cast ribbon

RF1-1000

100±1

29±3

Cast ribbon

Ribbons with other specifications can be provided according to customer's demand

Typical characteristic curves


Fig.1 Hysteresis loop

Fig.2 High frequency core loss

Fig.3 Core loss and Exciting power at 50Hz




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