Magnetic Component Engineering

Magnetic Component Engineering‍

SAE AS9100D AND ISO 9001:2015 CERTIFIED

Neodymium Iron Boron Sintered

N4561

Material Properties

Nom.

Min.

Br (Gauss)

13,500

13,100

Hc (Oersted)

12,800

11,000

Hk (Oersted)

10,000

9,000

Hci (Oersted)

14,000

11,000

BHmax (MGOe)

45.0

42.0

Temp Coeff of Br (%/°C)

-0.11

N/A

Recoil Permeability (µrec)

1.1

N/A

Tc, Curie Temperature (°C)

310

N/A

Maximum Operating Temperature (°C)

100

N/A

Physical Properties

Density (Ibs/in3)

0.27

Coeff of Linear Expan. ⊥ to < M > (10-7/°C approx)

-5.0

Coeff of Linear Expan. // to < M > (10-7/°C approx)

65.0

Compressive Strength (psi x 103)

160.0

Young’s Modulus (psi x 106)

23.0

Vicker’s Hardness (HV)

600

Tensile Strength (psi x 106)

N/A

Flexural Strength (psi x 106)

N/A

Common Industry Name

N45

Electrical Resistivity (μΩ.cm)

144

Typical Appearance

Gray

Type

N4561

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