Rare earth permanent ceramic/ferrite magnet
Rare earth permanent ceramic/ferrite magnet
Characteristics:
1.Material:
Strontium ferrite, SrFe12O19 (SrO·6Fe2O3), a common material for permanent magnet applications.
Barium ferrite, BaFe12O19 (BaO·6Fe2O3), a common material for permanent magnet applications. Barium ferrites are robust ceramics that are generally stable to moisture and corrosion-resistant. They are used in e.g. subwoofer magnets and as a medium for magnetic recording, e.g. on magnetic stripe cards.
Cobalt ferrite, CoFe2O4 (CoO·Fe2O3), used in some media for magnetic recording.
2.Grade: Y10,Y25,Y30,Y30BH,Y33,Y35(Chinese standard)/C1,C3,C5,C8(American standard).
3.Type: Isotrophic ferrite magnet / Anisotrophic ferrite magnet.
4.Shape: block,cube,ring,disc,cylinder,arc or other abnormal shape can also be customized.
5.Size: Customized
6.Advantage: High coercive force, coating unnecessary as to its anti-corrosion and anti-oxidization.
Property sheet:
Ferrite Typical Physical Properties of Chinese Standard | |||||||||
Item | Grade | Remanence:Br | Coercivity:iHc | Max Energy Product | |||||
Coercivity:bHc | |||||||||
Br(mT) | Br(Gs) | bHc(kA/m) | bHc(Oe) | iHc(kA/m) | iHc(Oe) | (BH)max(KJ/m3) | (BH)max(MGOe) | ||
Y10 | Isotropic | 200-235 | 2000-2350 | 125-160 | 1570-2010 | 210-280 | 2640-3520 | 6.5-9.5 | 0.8-1.2 |
Y25 | Anistropic | 360-400 | 3600-4000 | 135-170 | 1700-2140 | 140-200 | 1760-2510 | 22.5-28.0 | 2.8-3.5 |
Y30 | Anistropic | 370-400 | 3700-4000 | 175-210 | 2200-2640 | 180-220 | 2260-2770 | 26.0-30.0 | 3.3-3.8 |
Y30BH | Anistropic | 380-400 | 3800-4000 | 230-275 | 2890-3460 | 235-290 | 2950-3650 | 27.0-32.5 | 3.4-4.1 |
Y33 | Anistropic | 410-430 | 4100-4300 | 220-250 | 2770-3140 | 225-255 | 2830-3210 | 31.5-35.0 | 4.0-4.4 |
Y35 | Anistropic | 400-420 | 4000-4200 | 160-190 | 2010-2380 | 165-195 | 2070-2450 | 30.0-33.5 | 3.8-4.2 |
Production flow:
Typical physical properties:
Magnetization:
Application:
1.Speaker magnets
2.Ceiling fan
3.Water meter
4.Air cylinder
5.Electric motors
6.Magnetic Resonance Imaging (MRI)
7.Separators (separate ferrous material from non-ferrous)
8.Used in magnetic assemblies designed for lifting, holding, retrieving and separating
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