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Sintered Samarium Cobalt magnets offer very
high properties, especially in thermal stability
and excellent corrosion resistance.
There are two types : Sm1Co5 and Sm2Co17.
Sm2Co17 with higher iHc values, offer greater
stability than Sm1Co5.
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|
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-v -
Sintering and plastic forming after mixing Samarium
& Cobalt
-v - High Price comparing
as Nd-Fe-B
-v - High Curie Point
& Stable in high temperature
-v - Curie point :
700 ~ 800 ¡É
-v - Using Temperature
: 350 ¡É
-v - Magnetic Property
......Residual Flux
Density (Br) : 9.2 ~ 11.2 (KG)
......Coercive Force
(Hc) : 5.5 ~ 12.2 (KOe)
......Maximum Energy
((BH)max) : 22 ~ 26 MGOe
......Density (g/§¨)
: 7.82 §¨ |
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Descriptions
|
Unit
|
note
|
|
Curie Temperature
|
¡ÆC
|
700 ¡ 800
|
|
Maximum
Operating Temperature
|
¡ÆC
|
250
|
|
Resistivity
|
¥ì§Ù.§¨
|
50¡90
|
|
Hardness
|
Hv
|
450¡600
|
|
Density
|
g/§¨
|
8.0¡8.5
|
|
Temperature
Coefficient of Br
|
%/¡ÆC
|
-0.05¡-0.03
|
|
Temperature
Coefficient of iHc
|
%/¡ÆC
|
-0.25¡-0.19
|
|
 |
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Material
|
Code
|
Remanence
Br
|
Coercivity
bHc
|
Intrinsic
Coercivity
Hcj
|
Maximum
Energy Product
( BH ) max.
|
|
T
|
kGs
|
kA/m
|
kOe
|
kA/m
|
kOe
|
kJ/§©
|
MGOe
|
|
SmCo5
|
|
SC-140
|
0.82
|
8.2
|
600
|
7.5
|
1195
|
15.0
|
130-145
|
16-18
|
|
SP-145
|
0.85
|
8.5
|
620
|
7.8
|
1195
|
15.0
|
140-150
|
17-19
|
|
SP-160
|
0.9
|
9.0
|
640
|
8.0
|
1195
|
15.0
|
150-175
|
19-22
|
|
Sm2Co17
|
SZ-175H
|
0.95
|
9.5
|
640
|
8.0
|
1195
|
15.0
|
160-190
|
20-24
|
|
SZ-200H
|
1.0
|
10.0
|
680
|
8.5
|
1105
|
15.0
|
190-215
|
24-27
|
|
Bonded
SmCo5
|
BS-40
|
0.4
|
4.0
|
280
|
3.5
|
800
|
10
|
30-50
|
4-6
|
|
BS-55
|
0.5
|
5.0
|
3200
|
4.0
|
800
|
10
|
50-65
|
6-8
|
|
Bonded
Sm2Co17
|
BS-70
|
0.6
|
6.0
|
360
|
4.5
|
800
|
10
|
65-80
|
8-10
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|
BS-90
|
0.7
|
7.0
|
400
|
5.0
|
800
|
10
|
80-95
|
10-12
|
|
¢Â Features
- Small temperature coefficient of induction and
coercive force
- Better corrosion resistance compare with Nd_Fe_B
magnet
- Superior thermal stability |
