Characteristics

物理及机械特性

 

 

物理及机械特性

sINTER 

物理及机械特性Characteristics

Providing the most valuable and individualized magnetic solutions for your application demand

 

材料Composition

Sm2Co17

SmCo5

NdFeB

Physical characteristics

居里温度          Curie temperature

800 to 850

700 to 750

310 to 350

(K)

(1073 to 1123)

(973 to 1023)

583 to 623

热膨胀系数Thermal expansion coefficient

C//

1℃

6×10-6

6×10-6

(3-4)×10-6

(1K)

(6×10-6)

(6×10-6)

(3-4)×10-6

C⊥

1℃

13×10-6

13×10-6

(1-3)×10-6

(1K)

(13×10-6)

(13×10-6)

(1-3)×10-6

导热系数      Thermal conductivity

Kcal/mhr℃

10

11

6.6-8.3

(W/mK)

(12)

(13)

8-10

 比热                Specific heat

Cal/g℃

8×10-2

9×10-2

1.2×10-1

(J/kgK)

(335)

(377)

(504)

电阻率            Specific resistivity

Ω-cm

8.6×10-5

5.3×10-5

(1.4-1.6)×10-4

Mechanical characteristics

弯曲强度Deflection strength

Kg/mm2

15

18

25

(N/m2)

(1.5×108)

(1.8×108)

(2.5×108)

抗压强度Compressive trength

Kg/mm2

82

102

100-110

(N/m2)

(8×108)

(10×108)

(1-1.1)×109

抗张强度Tensile strength

Kg/mm2

3.6

4.1

8-9

(N/m2)

(3.5×107)

(4×107)

(8-9)×107

杨氏系数      Young’s modulus

Kg/mm2

1.2×104

1.6×104

(1.5-2)×104

(N/m2)

(1.2×1011)

(1.6×1011)

(1.5-2)×1011

维氏系数       Vickers hardness

Hv

500 to 600

450 to 500

500 to 600