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Ceramic

Alnico

Samarium Cobalt

Bonded

NdFeB
  Ceramic (Hard Ferrite) Permanent Magnets
 

 

  • Size and Shape will be produced according to Customer's drawings.

  • Huge capacity in dice and slice.

  • Will be able to meet your tight tolerance requirements.

  • All magnetic properties are produced according to MMPA Standard.

  • Magnetic properties can also be produced according to Customer's specifications.

  • Large selection of existing tooling for slabs, rectangles, rings, discs and cylinders and other shapes.

  • Material Grades available, Ceramic 1 through Ceramic 12

Factory Specifics

Factory #1

• Specializes in Ceramic Arc Magnets

• Production capability to 4K tons / yr.

• Major customers are in the electronic and automotive industries

• ISO 9000 / QS9000 Certified

Factory #2 Factory Overview Pictures

• Specializes in Ceramic Magnets

• Total of 4,000 Employees

• Production capability to 75,000 tons / yr.

• Production machinery imported from Switzerland, Germany, and the U.S.

• Major customers are in the electronic and automotive industries

• ISO 9000 / QS9000 Certified

 

  

CHEMICAL COMPOSITION

MMPA
Brief
Designation		 Original
MMPA
Class		 IEC
Code
Reference		 Chemical
Composition		 Magnet Properties (nominal)
Max
Energy
Product
(BH) max
(MGO)		 Residual
Induction
Br
(gaus)		 Coercive
Force
Hc
(oersteds)		 Intrinsic
Coercive
Force
Hci
(oersteds)
1.0/3.3 Ceramic 1 S1-0-1 MO * 6Fe2O3 1.05 2300 1860 3250
 3.4/2.5 Ceramic 5 S1-1-6 MO * 6Fe2O3 3.40 3800 2400 2500
2.7/4.0 Ceramic 7 S1-1-2 MO * 6Fe2O3 2.75 3400 3250 4000
3.5/3.1 Ceramic 8 S1-1-5 MO * 6Fe2O3 3.50 3850 2950 3050
 3.4/3.9 - - MO * 6Fe2O3 3.40 3800 3400 3900
4.0/2.9 - - MO * 6Fe2O3 4.00 4100 2800 2900

NOTE FOR ALL MATERIALS:
Recoil Permeability Range - 1.05 to 1.2
Recommended Magnetizing Force - 10,000 oersted minimum

PHYSICAL PROPERTIES

 PROPERTY

TYPICAL VALUE
Density 4.9 g/cm ³
Coefficient of thermal expansion
(25°C to 450°C)		  
Perpendicular to orientation 10 x 10 to the -6th power
cm/cm/°C
Parallel to orientation 14 x 10 to the -6th power
cm/cm/°C
Thermal conductivity .007 cal/cm-sec °C
Electrical resistivity 10 to the 6th power ohm-cm
Porosity 5%
Modulus of elasticity 2.6 x 10 to the 7th power PSI
Poisson ratio 0.28
Compressive strenght 130,000 PSI
Flexural strength 5000 PSI
Flexural strength 9000 PSI
Hardness 7 (Mohs)

THERMAL PROPERTIES

PROPERTY

TYPICAL VALUE
Reversible temp. coefficient
of residual induction		 -0.2%/ °C
Reversible temp. coefficient
of intrinsic coercive force		 0.2 to 0.5%/ °C
Curie temperature 450 °C
Maximum service temp.*
(Without metallurigal change)		 800 °C

*NOTE: Temperatures greater than 450°C will require
remagnetization.


Design by Joel Alvarez

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