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Smco

Smco
  • Application

Detailed

Product Introduction

Smco, the second generation rare earth permanent magnet, possesses high BHmax (14-28MGOe) and suitable coercivity. It also has good temperature character in the rare earth permanent magnet. Compared with NdFeB, Smco is suitable to work in high temperature.               

                     

系列

Series

牌号

Grade

剩磁

Br

矫顽力

Hcb

内禀矫顽力

Hcj

最大磁能积

(BH)max

居里温度

Curie Temperature

Tc

最高工作

温度

Maximum Working Temperature

TW

剩磁温度

系数Temperature Coefficient of Br


矫顽力温度系数 Coercive Force Temperature Coefficient


T

kGs

kA/m

kOe

kA/m

kOe

kJ/m3

MGOe

钐钴 1:5

SmCo 1:5

066800

SG 127/119

0.8

8.0

557

7.0

1194

15

127-143

16-18

750

250

-0.035~-0.050

-0.30

066801

SG 143/119

0.85

8.5

621

7.8

1194

15

143-159

18-20

066802

SG 143/160

0.85

8.5

621

7.8

1592

20

143-159

18-20

066803

SG 160/119

0.9

9.0

637

8.0

1194

15

159-175

20-22

066804

SG 160/160

0.9

9.0

637

8.0

1592

20

159-175

20-22

066805

SG 175/119

0.95

9.5

676

8.5

1194

15

175-191

22-24

普通钐钴2:17

SmCo 2:17

060810

SG 160/160

0.9

9.0

637

8.0

1592

20

159±16

20±2

800

300

-0.025~-0.035

-0.20

060811

SG160/200

0.9

9.0

637

8.0

1990

25

159±16

20±2

350

060812

SG 175/160

0.95

9.5

653

8.2

1592

20

175±16

22±2

300

060813

SG 175/200

0.95

9.5

653

8.2

1990

25

175±16

22±2

350

060814

SG 191/160

1.0

10.0

676

8.5

1592

20

191±16

24±2

300

060815

SG 191/200

1.0

10.0

676

8.5

1990

25

191±16

24±2

350

060816

SG 207/160

1.02

10.2

716

9.0

1592

20

207±16

26±2

300

060817

SG 207/200

1.02

10.2

716

9.0

1990

25

207±16

26±2

350

060818

SG 223/120

1.06

10.6

763

9.6

1194

15

223±16

28±2

300

060819

SG 238/72

1.1

11.0

560

7.0

716

9

238±16

30±2

250





















 

钐钴一般物理性能Typical Physical Properties of SmCo

 

参数

Parameter

单位

Unit

标准值

Standard Value

居里温度(Tc)                   Curie Temperature

800~850

最高工作温度

Maximum Operating Temperature

250~350

剩磁温度系数(︱αBr︱)

Temp. Coefficient of Br

%/K

0.03~0.04

内禀矫顽力温度系数(βHcj)

Temp. Coefficient of Hcj

%/K

-0.2

硬度                                   Hardness

Hv

500~600

电阻率(ρ)                      Electrical Resistivity

Ω·cm

8.5×105

密度(D)                                   Density

g/cm3

8.3~8.5

回复磁导率(μrec)                  Recoil Permeability

/

1.00~1.05

热传导率(λ)                    Thermal Conductivity

W/m·K

12

热膨胀系数            

Thermal Expansion Coefficient

(垂直于取向方向)

(Perpendicular to the Direction of Magnetization)

/℃

11×106

热膨胀系数           

 Thermal Expansion Coefficient

(平行于取向方向)

(Parallel to the Direction of Magnetization)

/℃

8×106

抗压强度                          Compress Strength

MPa

850

 


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