Dry pressing ferrite powder

Presintered Ferrite powder YXC

dry pressing ferrite powder

Features

Type Material Qualified standard of magnetic property Rate of shrinkage
(%)
Average size Water content of fine powder
(%)
Name used before
Br
(mT)
bHc
(KA/m)
iHc
(KJ/m)
(BH)max
(KJ/m3)
Testing direction Spheric (mm) Coarse powder (µm) Fine powder
(µm)
YXC-1 Ferroxdure ≥220 ≥139 ≥199 ≥7.56 // 15±1 6~12 3~6 0.80~0.90 ≤0.5 Normal isomorphism barium
YXC-1R Ferroxdure ≥210 ≥131 ≥239 ≥7.16 15±1 6~12 3~6 0.80~0.90 ≤0.5 Radial
barium
YXC-1A Ferroxdure ≥230 ≥143 ≥239 ≥8.36 // 15±1 6~12 3~6 0.80~0.90 ≤0.5 High performance isomorphism barium
YXC-3 Strontium ferrite ≥380 ≥151 ≥155 ≥26.3 // 12±1 6~12 3~6 0.90~1.00 ≤0.5 Baric isomerism
YXC-4 Strontium ferrite ≥380 ≥215 ≥223 ≥27.1 // 13±1 6~12 3~6 0.80~0.90 ≤0.5 Strontium isomerism
YXC-5 Strontium ferrite ≥400 ≥223 ≥231 ≥30.2 // 13±1 6~12 3~6 0.70~0.80 ≤0.5 Y35
YXC-5H Strontium ferrite ≥380 ≥267 ≥290 ≥27.1 // 13±1 6~12 3~6 0.70~0.78 ≤0.5 Y34

Strontium ferrite magnetic powderSpecification of YXC Dry Pressing Strontium Ferrite Magnetic Materials

YXC series Strontium Dry Pressing Ferrite Magnetic Powders are suitable for producing magnets by dry pressing. According to the requirement, such products can be classified as isotropic powder and anisotropic powder, anisotropic powder has better orientability. The strict quality control system ensures that the quality is stable and reliable.

1. YXC series Dry Pressing Strontium Ferrite Material Properties

Trade Mark Material Characteristics of products Granularity Forming methods
Br
(mT)
bHc
(kA/m)
iHc
(kA/m)
(BH)max
(kJ/m3)
SHR % Pellets
(mm)
Coarse Powder (µm) Fine powder (µm) Min
Typical Min Typical Min Typical Min Typical
YXC-2.4B SrFe12O19 380 370 183 167 199 183 27.1 25.5 15.5±1 0.80~0.90 Anisotropic dry press
YXC-2.4 SrFe12O19 360 350 223 207 239 223 23.9 22.3 15.5±1 6~12 3~6 0.80~0.90
YXC-2.4H SrFe12O19 340 330 255 239 279 255 21.5 19.9 15±1 0.80~0.90
YXC-2.4E SrFe12O19 320 310 239 223 318 294 19.1 17.5 15±1 0.80~0.90
YXC-2.5B SrFe12O19 400 390 191 175 199 183 30.2 28.7 15.5±1 0.80~0.90
YXC-2.5 SrFe12O19 380 370 233 207 239 223 27.1 25.5 15.5±1 0.80~0.90
YXC-2.5H SrFe12O19 360 350 263 247 302 279 23.9 22.3 15±1 0.80~0.90
YXC-2.5E SrFe12O19 340 330 255 239 342 318 21.5 19.9 15±1 0.80~0.90
YXC-2.5U SrFe12O19 320 310 239 223 398 374 19.1 17.5 15±1 0.80~0.90

2. YXC series Dry Pressing Barium Ferrite Material Properties

Trade Mark Material Characteristics of products Granularity Forming methods
Br
(mT)
bHc
(kA/m)
iHc
(kA/m)
(BH)max
(kJ/m3)
SHR % Pellets
(mm)
Coarse Powder
(µm)
Fine powder
(µm)
Typical Min Typical Min Typical Min Typical Min
YXC-1 BaFe12O19 225 220 143 139 215 199 7.96 7.56 15±1 6~12 3~6 0.80~0.90 Isotropic dry press
195 190 123 119 215 199 5.57 5.17 15±1
YXC-1R BaFe12O19 230 225 143 139 255 239 8.36 7.96 15±1 6~12 3~6 0.80~0.90
215 210 135 131 255 239 7.56 7.16 15±1
YXC-1A BaFe12O19 235 230 147 143 239 223 8.75 8.36 15±1 6~12 3~6 0.80~0.90
200 195 127 123 239 223 5.97 5.57 15±1

3. Procedure Summaries

There are 6 types of dry pressing ferrite powder for customers: YXC-C1, YXC-C2T, YXC-C3T, YXC-C1, YXC-C2. The procedure summaries for making magnet are as follows:

  • The necessary secondary additives have been added into the powder during the grinding process. Customers only need to add proper quantity of binders and lubricants. The powder must pass through 120 mesh sieve before pressing, so as binders to be uniformly distributed for better orientaton
  • Please take care of the cleaning of the equipments. Any other materials and impurity should mot be mixed into the powder
  • During pressing, the pressure required is ≥5000N/cm2, and the magnetic field density is >7000 Oe(560KA/m)
  • The sintering temperature for reference is between 1220 °C and 1270 °C. Please note that the proper sintering temperature should be defined in accordance with the status of the sintered sample pill

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