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FeSiAl (Super Sendust)

FeSiAl alloy powder is produced by the vacuum atomization process. Endowed with soft magnetic properties including high magnetic permeability, low coercivity and low loss, it exhibits excellent magnetic stability in the medium-to-high frequency range.

fesi

fesi

Soft Magnetic Powders

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Core Characteristics

  • Uniform & stable chemical composition
  • Ultra-low oxygen content
  • Superior morphology & fluidity
  • High permeability, low coercivity, low core loss
  • Stable magnetic properties at high temperature
  • Good process adaptability

Applications

  • Soft Magnetic Cores
  • Mold Chokes

Industrial components

  • New energy vehicle motors
  • Charging pile inductors
  • Integrated electromagnetic components, EMI shielding

Chemical Composition (wt%)

Element

Si

Al

Others

Fe

O

C

P

S

Content (wt%)

8.5 – 9.9

5.0 – 6.0

≤0.05

≤0.03

≤0.02

≤0.01

Bal

Frequently used particle size:  D50: 22µm / 25µm / 30µm / 40µm for cores;  6um / 9um /11um for chokes

Typical Properties

Properties

Perm.* 

e

Loss*

(mW/cm3)

App. Density

(g/cm3)

Tap Density

(g/cm3)

Flowability

(s/50g)

Laser Particle Size (µm)

D10

D50

D90

Scope

30 - 60 ≤150

2.8 – 3.2

3.6 – 4.0

≤35

15 - 22

30 – 40

60 - 75

*Testing conditions: Annealed toroidal core-OD14*ID8*H4mm @1000Gs, 50Hz.  

Customization Available

Customization Available