Bonded NdFeB magnets



Material Characteristics

SPECIFICATIONS

NEOBM-4

NEOBM-6

NEOBM-8

NEOBM-8H

NEOBM-10

NEOBM-12

NEOBM12D

Br                                                            (mT)
Residual induction                                 (kGs)

350 – 450
(3.5 – 4.5)

500 – 600
(5.0 – 6.0)

600 – 670
(6.0 – 6.7)

560 – 650
(5.6 – 6.5)

680 – 700
(6.8 – 7.0)

700 – 800
(7.0 – 8.0)

700 – 800
(7.0 – 8.0)

(Hcb)                                                    (kA/m)
coercive force                                       (koe)

240 – 280
(3.5 – 3.5)

320 – 360
(4.0 – 4.5)

360 – 440
(4.5 – 5.5)

400 - 464
(5.0 –5.8)

400 – 440
(5.0 – 5.5)

416 – 480
(5.2 – 6.0)

448 – 480
(5.6 – 6.0)

(Hci)                                                      (kA/m) intrinsic coercive force                         (koe)

640 – 800
(8.0 –10.0)

640 –800
(8.0 – 10.0)

640 – 880
(8.0 – 11.0)

960 – 1360
(13.0 – 17.0)

640 – 800
(8.0 – 10.0)

640 – 880
(8.0 – 11.0)

720 – 960
(9.0 – 12.0)

(BH)max                                              (kJ/m3) Maximum energy product                  (MGOe)

24 – 32
(3.0 – 5.0)

40 – 56
(5.0 – 7.0)

64 –72
(8.0 – 9.0)

60 – 72
(7.5 – 9.0)

72 – 80
(9.0 –10.0)

80 – 96
(10.0 – 12.0)

80 – 96
(10.0 – 12.0)

Average reversible temperature coefficient      (%/)

-0.1

-0.1

-0.1

-0.13

-0.1

-0.1

-0.07

Tc                                                          ()
Curie temperature

400

400

400

305

360

360

470

Max.operating temperature                   ()

150

150

140

120

120

130

140

Saturation magnetizing force              (kA/m)                                                              (koe)

1600
20

1600
20

2000
25

2800
35

1600
20

1600
20

2000
25

Density                                            (g/cm3)

4.5 5.0

5.5 – 5.8

5.8 –6.0

5.6 –6.0

6.0 –6.2

6.2 –6.6

6.2 –6.6

Hardness                                          HRB

40 - 50

40 – 45

35 – 38

35 - 38

35 – 38

35 - 38

35 – 38


Physical Properties

Average Reversible Temperature Coefficient   ------------------------------------------------
Coefficient of Thermal Expansion (25-200
) -------------------------------------------------
Copressive Strength ----------------------------------------------------------------------------------
Curie Temperature Tc --------------------------------------------------------------------------------
Density ---------------------------------------------------------------------------------------------------



Electrical Resistivity -----------------------------------------------------------------------------------
Hardness ------------------------------------------------------------------------------------------------

Max. Working Temperature --------------------------------------------------------------------------
Required Magnetizing Force(Open Circuit) -----------------------------------------------------

0.09-0.1%/C
4.8
×10(??)/
96kg/cm
400℃
5.5-5.8g/cm3(Neobm6)
5.8-6.0g/cm3(Neobm8)
5.8-6.2g/cm3(Neobm10)
6.2-6.6g/cm3(Neobm12)
14000
Ω-cm
35- 38HRB(Neobm8/10/12)
40-45HRB(Neobm4/6)
110℃
25Koe

       Note: Magnetic and physical properties are atroom temperature.
         Max. working temperature is dependent upon permeance coefficient, coating and environment.

 

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